[Adjuvant chemotherapy in stomach cancer. Meta-analysis].
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Biomedical subjects
Publications and source records attributed to M Huguier.
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AIM OF THE STUDY: Gastric stromal tumours are not perfectly known. The aim of this retrospective multicenter study (29 centers) was to improve knowledge of these tumours. PATIENTS AND METHODS: From 1986 to 1994, 159 patients were operated on for leiomyomas (50), leiomyosarcomas (24), malignant/benign schwann cell tumours (10/29), automatic nerve tumours (4), leiomyoblastomas (28), spindle cell tumours (14). The mean duration of follow-up was 5 years. Presenting symptoms, diagnostic procedures, operative and pathological findings, evolution (recurrence, death) were recorded for each patient. RESULTS: Gastrointestinal bleeding and epigastric pain were the most common presenting symptoms (54% and 50% of patients, respectively). Endosonography was the most sensitive examination (97%). Malignant tumours size was greater than benign tumours size (12.6 cm versus 5.2 cm). Extension to contiguous organs or metastases were frequent (33% and 26% of patients, respectively). In 16 patients, pathological examination could not differentiate between malignant and benign tumour. Seven patients who had been operated on for a benign tumour (6%) developed a local (n = 4) or a metastatic (n = 3) recurrence. The 5-year survival rate was 40% for leiomyosarcomas, 28% for schwannosarcomas and 90% for malignant leiomyoblastomas. CONCLUSION: The main feature of stromal gastric tumours is the frequent difficulty to differentiate between malignant and benign tumours. The prognosis of malignant tumours depends on pathological types. The prognosis of benign tumours is uncertain since recurrences may develop.
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AIM OF THE STUDY: To report three cases of neck pancreatic disruption caused by blunt abdominal trauma and to emphasize the advantages of conservative surgery with internal drainage. PATIENTS AND RESULTS: In two cases, one with hemoperitoneum, and the other with intraperitoneal fluid collection with 1,323 U/mL of amylase, laparotomy showed a complete disruption of the neck of the pancreas. The pancreatic head side was sutured whereas the left side was anastomosed to a Roux-en-Y jejunal loop. The clinical results were good at 8 and 6 months after surgery, respectively. For the third patient, a pancreatic trauma (which was suspected on a CT. Scan), was not confirmed at laparotomy. In the postoperative course, the amount of fluid drainage was important and the endoscopic retrograde pancreatography (ERCP) showed a disruption of the neck of the pancreas. An endoprosthesis was placed into the duct of Wirsung. Three months later, the patient complained of pain, and a migration of the prosthesis was detected by X-ray examination. It was not possible to place another endoprosthesis because of a stenosis of the duct. A resection of the neck of the pancreas was performed, the cephalic side was sutured and the left side anastomosed to the posterior gastric wall. Eight months after surgery, the clinical result was good and glycemia was normal. CONCLUSION: In blunt abdominal trauma, if a pancreas injury is suspected upon clinical presentation an ERCP, or moreover a magnetic resonance imaging, is indicated. When there is no disruption of the Wirsung duct, a simple peritoneal drainage should suffice. In cases with partial disruption, an endoprosthesis may give good results. In patients with a complete disruption, as in the three cases reported, a suture of the head side of the pancreas, and an internal drainage of the left side with a Roux-en-Y jejunal loop (or more easily with the stomach), are indicated.
BACKGROUND: The incidence of cancer of the exocrine pancreas varies among populations, being the fourth or fifth cause of cancer death in the West. Outcome remains poor and opinions remain divided over the optimal management of the condition. METHOD: A computer literature search was made of the MEDLINE database from January 1990 to December 1997 and selected other studies. RESULTS: Indications and contraindications for surgery, indications for stenting, indications for resection, the technique of palliative procedures and of resection, chemotherapy, radiotherapy, and combined treatments and other treatments are discussed and recommendations made. CONCLUSIONS: Irrespective of tumor size or spread, resection if feasible gives the best survival rates. Careful patient selection is required, however, to exclude those patients for whom surgical resection has no benefit. Nonsurgical procedures including endoscopic stenting in patients with high operative risk or short survival expectancy can significantly improve quality of life. The place of adjuvant therapies remains controversial and further controlled trials are required to demonstrate their efficacy.
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BACKGROUND: Embryonic sarcoma of the liver is uncommon in adults. We report an unusual case presenting as a cyst-like formation of the liver. CASE REPORT: The pre-operative and also the peroperative histology diagnosis was remodelled biliary cyst. The patient was treated accordingly. The final diagnosis of embryonic sarcoma of the liver was made when a local recurrence developed. The patient underwent hepatic resection followed by a chemotherapy and radiotherapy protocol. Tumor markers were measured within the tumor and gave a positive result for CA-125. DISCUSSION: Diagnosis of cystic forms of embryonic sarcoma can be a quite difficult task. Radiological and histological aspects can be helpful. This report is the first case in which tumor markers were measured within the tumor.
A total of 175 patients who underwent a curative resection for a colonic (n = 130) or a rectal cancer (n = 45) between 1986 and 1992 were entered into a routine colonoscopy program. Colonoscopies were performed 1 year after the operation, and then at 2-year intervals. The findings at colonoscopy, as well as those of preoperative colonoscopy (when performed), were recorded. Eleven anastomotic recurrences were diagnosed at an asymptomatic stage, at a mean follow-up of 14 months. All of them were identified in patients with a stage B or C primary rectosigmoid cancer. Eight patients underwent another potentially curative re-operation. Only perioperative colonoscopy (preoperative colonoscopy; first postoperative colonoscopy in patients for whom the preoperative procedure was incomplete or not performed) allowed diagnosis of second cancers (n = 7) and adenomatous polyps greater than 10 mm (n = 17). Further colonoscopies detected only polyps less than 10 mm. Positive examination rates for successive follow-up colonoscopies were 15, 20 and 23%, respectively; they were significantly higher in patients who had previously had adenomatous polyps than in patients who had not: 30% versus 6% (P < 0.025), 46% vs 5% (P < 0.005) and 38% vs 11% (P < 0.025), respectively. From these data, the following recommendations are made: (1) All colorectal cancer patients should have a total colonoscopy either before (whenever possible) or soon after operation; (2) Based on results of the perioperative colonoscopy, patients: should undergo their first follow-up colonoscopy only 3 yearly (presence of synchronous adenomatous polyps) or 5 yearly (absence of synchronous adenomatous polyps) after resection; (3) In patients with stage B or C primary rectosigmoid cancer, a surveillance of the suture line by rigid proctosigmoidoscopy should be added during the first 2 postoperative years: 6, 15 and 24 months after the operation.
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