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PubMed1992

Resection of pulmonary metastases from uterine sarcomas.

Long-term survival following resection of pulmonary metastases has been well documented. Variables that are believed to have an effect on survival are site of primary tumor, number and size of metastases, resectability, laterality of the metastases, doubling time, and disease-free interval. Published information regarding resection of pulmonary metastases in patients with gynecologic primary tumors is limited. We reviewed 45 patients whose pulmonary metastases from uterine sarcomas were resected at Memorial Sloan Kettering Cancer Center between 1960 and 1989. All cases met carefully defined criteria at time of thoracotomy: prior hysterectomy for uterine sarcoma, no extrathoracic tumor, known disease thought to be resectable, histology consistent with uterine sarcoma, and no medical contraindication to thoracotomy. Seventy-one percent had unilateral lesions, fifty-one percent had one lesion, and seventy percent had nodules greater than 2 cm. Thirty-six percent had incomplete resection at thoracotomy. Actuarial 5- and 10-year survival from hysterectomy for uterine sarcoma was 65 and 50%, respectively, with a mean follow-up of 89 months. Five- and ten-year survival from resection of pulmonary metastases was 43 and 35%, respectively, with a mean follow-up of 25 months. Unilateral vs bilateral disease was a significant predictor of survival after pulmonary resection (P = 0.02). Metastases size, number of metastases, disease-free interval, and patient age were not significant. Among this carefully selected group of patients undergoing resection of pulmonary metastases from uterine sarcomas, long-term survival was achieved by a substantial proportion of patients. No single risk factor is sufficiently accurate to exclude an individual patient from consideration for pulmonary resection.

Female↗
PubMed1989

The risk of distant metastases after transurethral resection of the prostate versus needle biopsy in patients with localized prostate cancer.

Although transurethral resection of the prostate provides an effective treatment for obstructive voiding symptoms associated with prostate cancer, there is growing concern about the possible role of transurethral resection in the dissemination of this malignancy. To determine the effect of transurethral resection on the rate of development of distant metastasis, we analyzed a large series of patients (379) treated at our institution with definitive radiotherapy for localized prostate cancer that was diagnosed by either needle biopsy or transurethral prostatic resection. In our series the presence of lymph node metastasis was documented by pelvic lymph node dissection in all patients. An initial univariate analysis suggested that patients diagnosed by transurethral resection had distant metastases significantly more rapidly than patients diagnosed by needle biopsy. However, transurethral resection usually was performed because of the presence of obstructive voiding symptoms and such patients were much more likely to have positive lymph node dissections than patients without obstructive voiding symptoms. A proportional hazards regression analysis showed that nodal status and the degree of obstructive voiding symptoms at diagnosis were independent and powerful predictors of the interval to distant metastases, along with stage and grade. The type of initial biopsy (transurethral prostatic resection versus needle biopsy) had no independent prognostic significance in this analysis. Among patients who had substantial obstructive voiding symptoms there was no significant difference in interval to distant metastases between the transurethral prostatic resection and needle biopsy groups. We conclude that the apparent adverse effect of transurethral prostatic resection results from the poor prognosis of tumors causing obstructive voiding symptoms rather than as a direct result of the resection itself.

Actuarial Analysis↗
PubMedDate not supplied

[The limits of saving the extremity--amputation versus resection].

On the basis of the extensive data contained in the Vienna Bone Tumor Register, i.e. 839 primary malignant bone tumors, as well as of 554 cases treated at the Orthopedic Department of the University of Vienna Medical School, a comparison between the methods of surgery applied at pelvis and extremities during the past two decades can be drawn. Resectional therapy had been performed in twice as much patients as amputation therapy, and barely 20%, mostly with multiple metastases, had been merely treated with palliative surgery or were just biopsied and underwent chemo- and radiotherapy. An analysis of amputations and resections, subdivided into pelvis and sacrum resections, resectional reconstructions and resectional reimplantations at the extremities, shows approximately the same low incidence of local recurrences in the groups amputation versus resection, but a significantly higher involvement of pelvis and sacrum resections as well as no local recurrences in the group of 48 resectional reimplantations. As regards the oncologic radicality of surgical margins, in cases of resections, as compared to amputations, about twice as much inadequate operations had to be accepted, though. The fact that the local recurrences did not increase to the same degree, but were approximately equilibrated, seems to be due to the new chemotherapeutic treatment which had been initiated at the same time as the frequent application of resectional therapy. The conservation of extremities contains twice as high a risk of inadequate operation, but it is, in cases of effective chemotherapy, comparable with the former results of amputations, as regards local recurrences.(ABSTRACT TRUNCATED AT 250 WORDS)

Amputation, Surgical↗
PubMed1989

Concomitant abdominal aortic aneurysm and colorectal carcinoma: priority of resection.

Seventeen patients (15 men and two women) underwent operation for concomitant abdominal aortic aneurysm (AAA) and colorectal carcinoma (Ca) during a recent 12-year period. Ages ranged from 59 to 89 years (median 75.2 years). Diameter of the AAA ranged from 3.5 to 9.5 cm (median 5.5 cm). The Ca was staged by the Astler-Coller modification of Dukes' classification as B1 in three patients, B2 in eight, C2 in three, D in two, and unclassified in one. Personal preference, presence of symptoms, and extent of malignant involvement determined preference of resection. The Ca was eventually resected in 16 patients and the AAA in nine. Thirteen patients underwent resection of the Ca first, two the AAA first, and two concomitantly. Eight patients (47%) underwent resection of both the AAA and Ca, eight underwent resection of the Ca only, and one underwent resection of the AAA only. There were three deaths in 24 operations. Follow-up ranged from 5 weeks to 8 years (median 1 1/2 years). Only five patients (29.4%) were long-term survivors without evidence of recurrent Ca and all occurred in the eight patients (62.5%) who had undergone resection of both the Ca and AAA. Three late deaths occurred as a result of complications from the unresected AAA in the eight patients who had undergone resection of the Ca only (37.5%). We conclude that if the Ca is not symptomatic and localized the AAA should be resected first. However, both lesions need to be resected eventually for long-term survival.

Aged↗
PubMed1994

Prediction of surgical resectability in patients with hepatic colorectal metastases.

OBJECTIVE: To evaluate the efficacy of two distinct imaging techniques to predict, before operation, unresectability compared with standard computed tomographic scan (CT). SUMMARY BACKGROUND: Accurate preoperative identification of the number, size, and location of hepatic lesions is crucial in planning hepatic resection for colorectal hepatic metastases. Although infusion-enhanced CT is the standard, its limitations are the imaging of relatively isodense and/or small (< 1 cm) lesions. The increased sensitivity of CT arterial portography (CTAP) may be offset by false-positive results caused by benign lesions and flow artifacts. METHODS: Fifty-eight selected patients considered to be eligible for resection by standard CT had laparotomy. Before operation and in addition to CT, all patients had CT arterial portography and hepatic artery perfusion scintigraphy (HAPS) using radiolabeled macroaggregated albumin. Early studies showed an increased sensitivity for detecting small lesions using the invasive CTAP. Similarly, the HAPS study has detected malignant lesions not observed by standard CT. RESULTS: Of 58 patients having laparotomy, 40 were resectable by either lobectomy (22) or trisegmentectomy (1) and the rest by single or multiple wedge resections. Eighteen patients could not be resected because of combined intra- and extrahepatic disease or the number and location of metastases. Standard CT detected 64% of all lesions (12% of lesions less than 1 cm). Unresectability was accurately predicted by CTAP and HAPS in 16 (88%) and 15 (83%), respectively, of the 18 patients considered ineligible for resection at laparotomy. Of the 40 patients who had resection for possible cure, CTAP and HAPS falsely predicted unresectability in 6 of 40 patients (15%) and in 10 of 40 patients (25%), respectively. The positive predictive value for unresectability of CTAP and HAPS was 73% and 60%, respectively. False-positive lesions after CTAP included hemangiomas, cysts, granulomas, and flow artifacts. False-positive HAPS lesions included patients in whom no tumor was found at surgery but with some identified by intraoperative ultrasound, blind biopsy, and blind resection. CONCLUSIONS: False-positive results by HAPS and CTAP may limit the ability of these tests to accurately predict unresectability before operation and may deny patients the chance for surgical resection. The HAPS study does, however, detect small lesions not seen by CT or CTAP. Standard CT, although less sensitive, followed by surgery and intraoperative ultrasound, does not necessarily preclude patients who could be resected.

Adult↗
PubMed1994

Pelvic resection of recurrent rectal cancer.

OBJECTIVE: The authors describe their experience with pelvic resection of recurrent rectal cancer with emphasis on patient selection for curative intent based on known tumor risk factors. SUMMARY BACKGROUND DATA: Pelvic recurrence is a formidable problem in 30% of patients who have undergone a curative resection of primary rectal cancer. Although radiation can reduce the development of local recurrence and can provide palliation to many patients with localized disease, it is not curative. The authors and others have used the technique of abdominal sacral resection (ABSR) with or without pelvic exenteration to resect pelvic recurrence and its musculoskeletal extensions in selected patients with satisfactory long-term survival. METHODS: The technique of ABSR with or without pelvic exenteration or resection of pelvic viscera, which the authors have described previously, was used in 53 patients with recurrent rectal cancer--47 patients for curative intent and 6 for palliation. Previous surgeries were abdominal perineal resections (APRs) in 26 patients, anterior resections in 19 patients, and other procedures in 2 patients; original primary Dukes' stage was B in 52% and C in 48%. Almost all patients had been irradiated previously, generally in the 4000 to 5900 cGy range. Preoperative carcinoembryonic antigen (CEA) levels (before ABSR) were elevated (> 5 ng/mL) in 54%. RESULTS: Postoperative morbidity was encountered in most patients. Mortality was 8.5% in the curative group. Long-term survival for 4 years was achieved in 14 of 43 patients (33%), and 10 patients were alive with an acceptable quality of life after 5 years. Patients who had previous anterior resections or whose preoperative CEA levels were less than 10 ng/mL had a survival rate of approximately 45%, whereas patients with previous APRs and preoperative CEA levels greater than 10 ng/mL had a survival rate of only 15% to 18%. Patients with bone marrow invasion, positive margins, or pelvic node metastases had a median survival of only 10 months. CONCLUSIONS: Pelvic recurrence of rectal cancer can be resected safely with expectation of long-term survival of 33%. Patient selection based on known risk factors can identify patients most likely to benefit from resection and eliminate those who should be treated for palliation only.

Carcinoembryonic Antigen↗
PubMed1986

Resection of rabbit ileum: effect on jejunal structure and carrier-mediated and passive uptake.

Adaptive changes occur in nutrient uptake following intestinal resection. A previously validated in vitro technique was used to measure the rate of uptake of solutes six weeks following surgical removal of the distal half of the small intestine in the rabbit. The rate of jejunal uptake of a homologous series of fatty alcohols, cholesterol, and six bile acids was unchanged in the resected animals. The uptake of short- and long-chain length fatty acids was also unchanged following resection, although there was a modest but significant increase in the uptake of decanoic and dodecanoic acid. The incremental change in free energy, integral of delta Fw----l, was increased in the jejunum of resected animals when assessed with the medium chain-length fatty acids, but was unchanged when estimated from the uptake of long chain-length fatty acids. The value of delta integral of Fw----l for bile acids was similar in the jejunum of control and resected animals. There was an increase in the maximal transport rate (Jdm) for D-glucose, galactose and L-leucine, an increase in the Michaelis constant (Km) for 3-O-methylglucose, and an increase in both the Jdm and Km for fructose. There was no change in the passive component of the uptake of these solutes following intestinal resection. In the resected animals there was no significant increase in the height, width, and surface area of the jejunal villi, the number of mucosal cells per villus, or in the mucosal surface area, although there was a significant increase in the weight of the scraped mucosa and in the height of the microvilli. The modifications in the active and passive kinetic constants were not related to the alterations in the microvillus surface area, and changes in the Km or delta integral of Fw----l were not due to any variation between control and resected animals in the effective resistance of the intestinal unstirred water layer. These results indicate that, ileal resection was not associated with changes in the effective resistance of the intestinal unstirred water layer; the variable changes in the uptake of passively adsorbed solutes following resection suggests a functional heterogeneity of the villus towards passive permeation; estimation of the incremental change in free energy of the intestine using a homologous series of saturated fatty acids may provide variable results depending upon the chain length of the probes.(ABSTRACT TRUNCATED AT 400 WORDS)

3-O-Methylglucose↗
PubMed1985

Resection of rabbit ileum: effect on brush border membrane enzyme markers and lipids.

Alterations in transport function have been described 6 weeks after surgical resection of 50% of the distal small intestine. Previous studies demonstrated a modest increase in the jejunal uptake of medium chain length fatty acids following resection, while the uptake of many other lipids (cholesterol, bile acids, fatty alcohols, short and long chain length fatty acids) appears to be unaffected. Marked changes in the kinetic constants for the carrier-mediated uptake of four sugars and leucine were observed following resection, but the changes in transport were not associated with changes in the mucosal surface area. This study was undertaken to examine the possible adaptive mechanisms that occur with ileal resection in the rabbit. A 29% increase in the wet weight of jejunal mucosal scrapings and a 53% increase in jejunal brush border membrane (BBM) protein was observed following resection. The jejunal BBM sucrase (S) was unchanged following ileal resection, but alkaline phosphatase (AP) total activities were increased in the resected rabbits. This resulted in a 45% increase in the ratio of AP/S with resection. The lipid composition (total free fatty acids, total bile acids, total cholesterol, total phospholipids, individual phospholipids, and the ratio of total phospholipids/total cholesterol) of BBM was similar in control and resected rabbits. This suggests that quantitative rather than qualitative changes in the membrane composition may be responsible for the transport changes observed in resected animals.

Animals↗
PubMed1995

Increased gastric acid secretion after massive small bowel resection is related to a decrease in enterogastrones.

The reported increase of gastric secretion after small bowel (SB) resection is controversial. To determine the effect of SB resection on gastric acid secretion we studied basal and dose step pentagastrin-stimulated gastric acid secretion as well as basal serum gastrin, secretin, neurotensin and postprandial gastrin levels in 12 dogs, before and after resection of 60% of the intestine representing both proximal (n = 6) and distal (n = 6) SB. Rat bioassay was also performed to rule out the presence of unknown gastric secretagogues in the blood. Proximal SB resection produced a significant increase in basal and low dose (100 ng/kg/h) pentagastrin-stimulated gastric acid secretion (ED50 = 1,110 vs. 720 ng/kg/h after resection). However, no significant changes in gastric secretion were observed after distal SB resections. Neither proximal nor distal SB resection altered basal or postprandial serum gastrin levels. Proximal SB resection reduced serum secretin levels (229 +/- 38 vs. 134 +/- 16 pg/ml, p < 0.05) but did not alter neurotensin levels. Rat bioassay failed to reveal a circulating secretagogue after SB resections. We conclude that proximal but not distal SB resection increases basal and submaximally stimulated gastric acid secretion. Such an effect may be due to the observed decrease in circulating secretin levels.

Animals↗
PubMed1991

[Influence of 50% proximal or distal small bowel resection on gut hormone release after test meal loading in dogs].

The effect of proximal and distal small bowel resection on gut hormone release after test meal loading in dogs was studied. Ten beagle dogs were subjected to 50% proximal or distal small bowel resection, and test meal loading was performed after one night fasting to examine gut hormone release. Fasting levels of plasma gastrin were not changed after both proximal and distal resection, but response to test meal was increased at 18 weeks of postoperative period in 50% proximal resection. Postprandial release of plasma GIP was significantly decreased in both proximal and distal resection compared with preoperative period. Postprandial release of enteroglucagon was increased at 4 and 8 weeks in proximal resection. In distal resection, it was increased at 4 weeks but returned to preoperative levels at 8 weeks. Villus height of middle part of the intestine was increased in both proximal and distal resection, and significant change was observed in the duodenal mucosa of proximal resection at 4 weeks. These findings suggest that part of the resection of small bowel influences gut hormone release, and these may play an important role in intestinal adaptation.

Adaptation, Physiological↗
PubMed1988

[Endoscopic resection with local injection of hypertonic saline epinephrine for the treatment of early gastric cancer].

We have developed a new method of endoscopic resection of early gastric carcinomas and other tumors. Characteristics of the new method are summarized as follows. 1. In order to prevent bleeding after endoscopic resection of the tumors, local injection of hypertonic saline epine phrine (HSE) solution was applied to the lesion. Even a depressed lesion like II c type early gastric carcinoma was artificially protruded by local injection of HSE solution. 2. Instead of a single fiberscope, double fiberscopes were employed simultaneously for endoscopic resection of the lesion. 3. Prior to resection of the lesion by high frequency current snare method, incision of the mucosa along the marking line around the lesion performed, enabling the area to be resected precisely. 4. Because tissue damage is mild, resected materials removed are suitable for pathological study. Endoscopic resection was performed on a total of 113 cases in early gastric carcinomas; 103 cases among them (91.2%) were curative resections. Ten cases of the rest underwent surgical gastrectomy for the endoscopic non-curative resections. Rate of five-year survival in 103 cases was 85.2%. Endoscopic resection by our method seems to be effective for the treatment of early gastric carcinomas in any lymph node metastasis and in patients at high surgical risk.

Epinephrine↗
PubMed1982

Influence of histologic type on survival after curative resection for undifferentiated lung cancer.

Undifferentiated carcinoma of the lung carries a worse prognosis overall than other cell type, but it is unclear whether these tumors represent a homogeneous group with uniformly poor survival. This study identifies certain histologic subtypes of large cell and small cell undifferentiated carcinoma which have a better prognosis after curative resection than other similarly treated undifferentiated carcinomas. From 1947 through 1975, a total of 2,352 patients with lung cancer were admitted to one hospital. Follow-up to death was available in 98%. Pathological material was reviewed from 1,979 cases by a team of three pathologists during a single 6 month period without knowledge of clinical outcome. Curative resection was carried out in 632, with 170 (27%) 5 year survivors. Small cell cancer occurred in 481 patients and nine (1.6%) survived 5 years. Curative resections were performed in 34 with polygonal small cell carcinoma, 20 with normal lymph nodes and 14 with diseased lymph nodes. Seven survived 5 years (21%), six of 20 with normal and one of 14 with diseases lymph nodes. Eleven with nonpolygonal small cell carcinoma (eight oat cell, three fusiform) (five normal, six diseases nodes) underwent curative resection, with no survivors. Large cell carcinoma occurred in 151 and 19 survived 5 years. Curative resection was performed in 24 having large cell carcinoma with stratification (16 normal, eight diseased nodes), and 12 (50%) survived 5 years. In 26 with nonstratified large cell carcinoma undergoing curative resection (18 normal, eight diseases nodes); six (23%) survived 5 years (chi 2 = 4.06 p less than 0.05). Thus patients with resectable polygonal small cell carcinoma appear to have a better prognosis than those with nonpolygonal small cell carcinoma, and their prognosis approaches that of all patients with resectable lung cancer. Patients having resectable large cell carcinoma with stratification have a significantly better prognosis than those with nonstratified large cell carcinoma. Patients with these subtypes should therefore not be denied an attempt at curative resection because of the diagnosis of undifferentiated lung cancer.

Carcinoma, Small Cell↗
PubMed1976

Role of fat maldigestion in pathogenesis of steatorrhea in ileal resection. Fat digestion after two sequential test meals with and without cholestyramine.

To clarify the role of fat maldigestion in the pathogenesis of steatorrhea in patients with ileal resection the total and aqueous phase concentrations of bile acid and fatty acid were characterized in 8 such patients (5 patients with small ileal resection, bile acid diarrhea, and steatorrhea less than 20 g per day; 3 patients with large ileal resection, fatty acid diarrhea, and steatorrhea greater than 20 g per day) as well as 4 healthy control subjects after a morning and an afternoon liquid test meal. The study was then repeated with cholestyramine, 4 g being administered before each meal to induce fat maldigestion. After a conventional test meal, patients with large resections and severe steatorrhea had significantly lower aqueous phase concentrations of bile acids (and fatty acids) than patients with smaller resections or control subjects, explained in part by intraluminal precipitation of about one-half of the bile acids during digestion. When cholestyramine was administered before the meal, aqueous phase bile acid concentrations decreased in all patients, including the normal control subjects; the degree of fat maldigestion induced in the patients with small resections (and the control subjects) became similar to that present after the conventional test meal in the patients with large resections. Because steatorrhea increased little in the patients with small resections when cholestyramine was administered continuously, the data suggest that fat maldigestion per se does not induce severe fat malabsorption in patients with sufficient anatomical reserve, because such patients can absorb fat efficiently by utilizing the distal small intestine. In patients with large ileal resections, severe steatorrhea is explained in part by the combination of fat maldigestion and decreased surface area. It is also speculated that the steatorrhea occurring in patients with small resections and relatively normal fat digestion during two test meals may be explained by impaired fat digestion which occurs during the final meal of the day, which is often the largest meal.

Adult↗
PubMed1984

Survival following resection for second and third primary lung cancers.

The performance of sequential resections and the consideration of new lesions as second or third primary lung cancers remain controversial issues. Criteria to define these as new primary lesions depend upon a difference in histologic types, a prolonged interval between initial and second or third resections, and location in the contralateral lung or a different ipsilateral lobe. Ninety patients have undergone multiple resections for bronchogenic carcinoma from 1960 to December, 1983. There were 10 examples of synchronous lesions and the remaining 80 were metachronous with the longest interval between resections being 17 years, 4 months. The initial surgical procedure was pneumonectomy in 11, lobectomy in 43, sleeve lobectomy in eight, segmentectomy in 27, and carinal resection in one. At the second operation, the procedures were segmentectomy in 55, lobectomy in 11, completion lobectomy in six, and completion pneumonectomy in 15. Two patients had sternotomy with bilateral resections and one patient had a tracheal resection. At the third operation, the procedures were segmentectomy in seven, completion lobectomy in two, and completion pneumonectomy in two. In 20 patients undergoing the second procedure and three undergoing a third resection, a different cell type was identified. The perioperative mortality following the second operation was seven of 90 patients (8%) and there were no deaths in those patients undergoing three resections. The cumulative survival rate following second resection in 80 patients with metachronous tumors was 33% at 5 years and 20% at 10 years. These data support continued aggressive surgical approach to second and third primary lung cancers.

Adenocarcinoma↗
PubMed1995

[Resection of the posterior mediastinal gastric tube used in reconstruction after radical surgery for esophageal cancer--case reports].

Two patients are presented who underwent resection of a gastric tube placed in the posterior mediastinum during reconstruction following radical esophageal resection for esophageal cancer. The indications for gastric tube resection were bleeding from a peptic ulcer in one and gastric cancer in the other. Case 1: A 72-year-old man, who had undergone a thoracic esophagectomy 3.5 years prior to admission, presented with a chief complaint of hematemesis. The gastric tube was resected and replaced with an antethoracic, pedicled segment of left colon. Pathologic examination of the resected gastric tube revealed a penetrating peptic ulcer. Case 2: A 65-year-old man with esophageal cancer and early gastric cancer underwent thoracic esophagectomy with combined resection of the fundus and lesser curvature of the stomach. One year later, he was found to have a new early gastric cancer in the antrum. The distal portion of the gastric tube was resected and replaced with a pedicled jejunal graft. Of the 526 patients with esophageal cancer treated in our department from 1972 to 1993, peptic ulcers were evident in the gastric tube used to reconstruct the esophagus in only seven cases. The stomach was resected in only one of these patients. Similar patients requiring gastric tube resection have been reported. All six of these cases are reviewed. Cancer of the gastric tube developed in 3 of the 526 patients. Although 74 cases of gastric tube cancer have been reported in the Japanese literature, the patient presented here (case 2) is the first to undergo successful resection of the stomach from the posterior mediastinal position.

Aged↗
PubMed1995

[Is liver abscess still an indication for liver resection?].

AIM: The standard therapy for liver abscesses consists of percutaneous drainage. In certain cases a liver resection may be indicated. The indication for liver resection in six patients with liver abscess is analysed retrospectively. METHODS: Between 7.7.87-13.10.93 six patients (4 male, 2 fem.) in the age of 40-72 years (mean 59 yrs.) underwent liver resection for liver abscess at our institution. The patients suffered from symptoms of a progressive liver abscess formation: fever, hepatomegaly, loss of weight, jaundice and anorexia. Abscess localization was performed preoperatively by ultrasound and CT. Drainage attempts were unsuccessful in these patients, resections were carried out for suspicion of malignancy or during a laparotomy due to other reasons. RESULTS: Liver resections were left and right hemihepatectomy (1x each), left lateral resection (3x) and one wedge resection. Intraoperative blood transfusion requirements were not different from those of other indications for resection. Postoperative hospitalization lasted 12-33 days (mean 19 days). The postoperative course was uneventful, in one case a hematoma at the resection site required drainage. CONCLUSION: Resection for liver abscesses is indicated only in exceptional cases but allows for definite therapy.

Adult↗
PubMed1994

Resection for multiple metastatic liver tumors after portal embolization.

BACKGROUND: Five patients with bilateral multiple liver metastases (3 to 12 lesions) from colorectal cancer who underwent extensive liver resection after portal embolization are described. METHODS: Portal embolization of the right portal branch was performed 9 days to 8 months before hepatic resection. The location and number of metastases were determined by intraoperative ultrasonography at the time of liver resection to accomplish complete resection of the tumors. Extended right lobectomy was carried out in four patients, two of whom underwent additional wedge resection of nodules located in the left lateral segment. The other patient underwent right lobectomy associated with local resection of the tumor in the left lobe. RESULTS: The postoperative course in the five patients was uneventful, with no serious complication or liver dysfunction. Although one patient died of recurrence 28 months after liver resection, the remaining four patients were alive and free of cancer between 36 and 74 months after hepatectomy. CONCLUSIONS: The presence of bilateral multiple (four or more) metastatic liver lesions from colorectal cancer is not considered a contraindication for hepatic resection if thorough examination of the liver is performed with intraoperative ultrasonography and the surgical risk is minimal. Portal embolization appears effective for increasing the safety of hepatectomy for patients with small metastases who require major right-sided resection combined with wedge resection of the left lobe.

Adult↗
PubMed1993

[Is surgical therapy of locoregional recurrence of resected colorectal cancer effective?].

The role of surgery in the treatment of local recurrence of colorectal carcinoma is controversial. This study aims to analyse the value of surgical reintervention. From July 1982 to June 1991 157 patients were treated for local recurrence after "curative resection" of primary colorectal carcinoma in our institution. The mean age was 60.3 years. In 67 patients tumor recurred in the pelvis (45% distant metastases) and in 90 patients in the abdomen (39% distant metastases). Intraluminal recurrence was found in 55 patients (35%), extraluminal recurrence in 102 patients (65%). The mean interval between primary tumor resection and recurrence was 24 months. The resection rate was 73.9% (n = 116). R0-resection was achieved in 38% (n = 44). There was no significant difference in the R0-resection rate between pelvic and abdominal recurrences (33% vs. 41%). In contrast to that intraluminal tumors showed a significant difference in R0-resections when compared with extraluminal tumor recurrences (57% vs. 23%). In 34 patients (22%) only palliative surgery was performed, while in 7 patients (45%) no surgical intervention was possible at all. Multivisceral resections were necessary in 36% of pelvic and in 81% of abdominal recurrences. The postoperative complication rate was 58% (19% major complications), mortality was 3.4%. For R0-resection mean survival was 44.1 months, for R1-resection 16.5 months and for R2-resection 10.9 months. Survival in intraluminal recurrences was 42 months compared with 13.8 months in extraluminal tumors. Tumor location (abdominal/pelvic) had no influence on survival.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗