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PubMed2003

[Benign ovarian tumor with ascites and high serum levels of CA125: report of 3 cases].

OBJECTIVE: To describe the clinical characteristics of benign ovarian tumor/mass which manifest as pelvic mass, ascites and high serum levels of CA(125). METHOD: Clinical data of 3 cases of such disease in Peking Union Medical College Hospital were analyzed and relevant literatures were reviewed. RESULTS: The patients all were misdiagnosed as ovarian carcinoma, and operations designed for malignant ovarian tumor were performed on all of them. There was no definite proof of malignant tumor, such as positive findings of pathology and/or cytology, in any patients before operation. Among these diseases, pelvic tuberculosis, ovarian endometrioid cyst and ovarian fibroma are the three most common ones, others are: fibrothecoma, thecoma, struma ovarii, adenofibroma, benign Brenner tumor, mature theratoma, ovarian edema and fibromatosis. CONCLUSIONS: Pelvic mass, ascites and high serum level of CA(125) can't always result of a diagnosis of ovarian carcinoma. Positive findings of pathology and/or cytology is the only definite proof of a diagnosis of ovarian malignant tumor. On the susceptible case, laparoscopy is a useful and reliable method.

Adult↗
PubMed1995

Lipid cell (steroid cell) tumor of the ovary: immunophenotype with analysis of potential pitfall due to endogenous biotin-like activity.

Twenty-eight lipid cell (steroid cell) tumors of the ovary were studied by immunohistochemistry using an avidin-biotin complex detection system; 75% of tumors were vimentin positive, 46% were positive for cytokeratin (CAM5.2 antibody), 37% were positive with the cytokeratin cocktail AE1/AE3 and CK1, and 29% were positive for smooth muscle alpha-actin. Three tumors were positive for CD68 (KP-1), a histiocyte marker, and each of the following markers was positive in two cases: desmin, epithelial membrane antigen, neuron-specific enolase, and S-100 protein. All tumors tested were negative for chromogranin A, CD15 (Leu-M1), myoglobin, neurofilament protein, alpha-fetoprotein, carcinoembryonic antigen, and melanoma-associated antigen (HMB-45 antibody). Immunoreactivity for cytokeratins was usually focal, paranuclear, and globoid, while reactivity for actin and vimentin was diffuse and cytoplasmic. Based on these findings, melanomas and some carcinomas should be distinguishable from lipid cell tumors. However, the immunohistochemical profiles of smooth-muscle tumors, other gonadal stromal tumors (granulosa cell tumors, thecomas), and hepatocellular, renal cell, and adrenocortical carcinomas overlap with that of lipid cell tumors, and therefore these tumors may not be distinguishable from lipid cell tumors using this technique. In 10 cases (36%), negative controls exhibited weak to moderate nonspecific cytoplasmic staining. Evidence obtained using a biotin blocking kit, and a monoclonal antibody against biotin, suggests endogenous biotin-like reactivity as the source of the nonspecific staining.

Adolescent↗
PubMed1982

Breast carcinoma in a 46, XX true hermaphrodite.

Muscinous breast carcinoma occurred in a 67-year-old true hermaphrodite who had been reared as a male. The peripheral blood karyotype was 46, XX. A left ovary and right ovotestis were intra-abdominal. Other tumors included an ovarian thecoma and an intestinal leiomyoma. Two previously reported cases of breast cancer in true hermaphrodites are cited.

Adenocarcinoma, Mucinous↗
PubMed2003

Sclerosing stromal tumor of the ovary: color Doppler findings.

The sclerosing stromal tumor (SST) of the ovary is a distinct benign neoplasm that differs from fibromas, thecomas, luteinized tumors and lipoid cell tumors. It accounts for 6% of ovarian stromal tumors and tends to occur at an earlier age. On gray-scale ultrasound examination, SSTs of the ovary are solid or cystic and multilocular. We describe here, we believe for the first time, the findings on color Doppler imaging of an SST of the ovary. A 29-year-old woman presented with an organic ovarian mass. She underwent a transvaginal ultrasound examination that revealed an echogenic cyst with acoustic shadowing. Color Doppler demonstrated marked peripheral vascularization. Findings on computed tomography and magnetic resonance imaging strongly suggested the preoperative diagnosis of SST of the ovary, which was confirmed at pathology. Association of an echogenic ovarian mass with acoustic shadowing and a high degree of peripheral vascularization may strongly suggest the diagnosis of SST of the ovary.

Adult↗
PubMed1992

Effect of age on development of tumours in the intrasplenic ovarian grafts in ovariectomized rats.

Female rats at the age of 1, 3, and 14-16 months ("young", "adult" and "old" groups respectively) were bilaterally ovariectomized and one of the removed ovaries was autoimplanted into the spleen. The total intrasplenic ovarian tumour incidence was equal in the rats subjected to the operation at 3 and 14-16 months (77.4% and 80.6% respectively) and tumours developed more frequently in rats exposed to surgery at the age of 1 month (94.5%), P < 0.05. The incidence of Sertoli and Leydig cell tumours was increased and their latency was decreased in the old group in comparison to the adult one. In rats exposed to the operation at the age of 3 months, granulosotheca cell tumours developed more frequently than other tumour types, and in the young group thecomas were discovered more often than in both older groups. Dysgerminomas and luteomas were discovered only in intrasplenic grafts of rats of the young group. It is supposed that the differences in structure and proliferative activity of various ovarian tissues between young, adult and old rats at the moment of intrasplenic transplantation, as well as the differences in their response to gonadotropic stimulation play a significant role in the development of ovarian tumours of varied histogenesis in the intrasplenic ovarian grafts.

Age Factors↗
PubMed2002

Sclerosing stromal tumor of the ovary in a premenarchal female.

Sclerosing stromal tumor (SST) is a rare benign ovarian neoplasm of stromal origin with less than 100 cases reported in the literature. Unlike the other stromal tumors, thecomas and fibromas, which tend to occur in the fifth and sixth decades, sclerosing stromal tumors predominantly affect females in the second and third decades. Computed tomography (CT), magnetic resonance imaging (MRI), and ultrasound findings have been described, but have not been reported previously in the pediatric literature. We present a case of SST of the ovary in a 10-year-old premenarchal female, the youngest patient to our knowledge reported in the literature, and describe the ultrasound and CT findings with pathologic correlation.

Child↗
PubMedDate not supplied

Bilateral ovarian leiomyomas: CT and MRI features.

We recently treated a 21-year-old woman with leiomyomas arising from the bilateral ovaries, a very rare condition. On magnetic resonance imaging, more than half of the left adnexal mass showed low signal intensity on T2-weighted images and good enhancement by gadolinium-DTPA, and the remaining part showed high signal intensity on T2-weighted images, so the lesions initially were diagnosed as ovarian fibromas or as thecomas with a certain degree of degeneration. Pathologic examination of the excised tumors proved that they were bilateral ovarian leiomyomas; in addition, the tumor from the left side showed hemorrhagic and myxoid changes with torsion of 180 degrees.

Adult↗
PubMed2003

Ovarian sex cord-stromal tumors--a clinicopathological study of 72 cases from the Kiel Pediatric Tumor Registry.

We analyzed 72 patients with ovarian sex cord-stromal tumors (OSCST) registered at the German Pediatric Tumor Registry in Kiel over a 20-year period. Juvenile granulosa cell tumors (JGCT, n=48) were the most frequent histological subtype. In addition, there were 14 Sertoli-Leydig cell tumors, 5 sclerosing stromal tumors, 2 sex cord tumors with annular tubules, 2 thecomas and 1 steroid cell tumor. Stage according to FIGO (International Federation of Gynecologists and Obstetricians) was Ia in 39 patients, Ic in 17 patients, II in 3 patients and III in 1 patient (60 patients with complete data). Compared with adult granulosa cell tumors, JGCT showed pronounced mitotic activity [mean 9.8 mitoses/10 high power field (HPF)], which was significantly higher than in other histological subtypes (2.7/10 HPF, P=0.001). Immunohistochemical analysis revealed frequent coexpression of vimentin (positive in 52/52 examined tumors), cytokeratin (27/33), and inhibin (19/20). Of patients, 12 with Ic or higher stage tumors received adjuvant cisplatinum-based chemotherapy. Event-free survival at 10 years was 0.88 +/- 0.05 (38/43 patients with follow-up data). Outcome significantly correlated with stage and mitotic activity (<20 versus > or =20 mitoses/10 HPF: event-free survival 1.0 versus 0.48 +/- 0.05, P=0.0001). In conclusion, this analysis confirms that the majority of patients with OSCST present at low tumor stage and that prognosis in these patients is excellent. Refractory tumors are characterized by high proliferative activity. Therefore, histopathological evaluation substantially contributes to risk assessment in patients with OSCST and might be useful for therapy stratification in prospective therapeutic protocols.

Adolescent↗
PubMed1985

Basement membrane structures in tumors of the ovary.

The location and amount of the basement membrane (BM) components collagen IV and laminin were studied in ovarian epithelial, sex cord-stromal and germ cell tumors. BM structures were found in the epithelial stromal interface of benign surface epithelial tumors and, though discontinuous, around well-differentiated tumor islets, being less well developed in invasive undifferentiated neoplasms. The stromal components in Müllerian mixed tumors had less distinct BM structures, a finding useful for the classification of these neoplasms. Thecomas and fibromas had scanty collagen IV and laminin; granulosa cell tumors contained large amounts of BM material. A fine diffuse BM-positive pattern occurred in dysgerminomas and endodermal sinus tumors; BM structures in cystic teratomas were distinct. Collagen IV and laminin were well-developed in benign and slow-growing tumors with epithelial components and in their metastases, but less distinct in stromal tumors and highly malignant undifferentiated tumors, showing the usefulness of this method for the clinical and biological classification of such tumors.

Adenocarcinoma↗
PubMed1989

Collagen type III in ovarian tumors. Histological, immunohistochemical and ultrastructural findings.

The occurrence and location of interstitial collagen amino-terminal propeptide type III procollagen (PIIIP) and fibronectin was studied in 123 ovarian tumors of different types and related to the histological type and clinical behavior of the neoplasm. The purpose was to further our understanding of the development and classification of these tumors and to determine characteristics of diagnostic and prognostic significance. PIIIP-positive fibers were common in the stroma of all types of neoplasms, condensation of fibres occurred at the epithelial-stromal interface of surface epithelial tumors, and disintegration and discontinuation of fibers around invasive epithelial islets and in stroma of undifferentiated epithelial carcinomas. The PIIIP-positive stromal meshwork surrounded individual cells in thecomas, while it was virtually absent in diffuse granulosa cell tumors and distinctly developed in malignant stromal neoplasms, being seen mainly around epithelial islets in mixed mesodermal tumors.

Collagen↗
PubMed1994

Immunohistochemical phenotype of ovarian granulosa cell tumors: absence of epithelial membrane antigen has diagnostic value.

Granulosa cell tumors (GCTs) represent 1.5% to 3% of primary and 6% to 10% of malignant ovarian neoplasms, and present little diagnostic difficulty in the typical case; however, other primary or metastatic tumors may mimic their various histologic patterns. For this reason, immunohistochemistry can be used to supplement routine histology to help determine a final tissue diagnosis. Previous reports on the utility of antibodies to intermediate filaments vary, as some investigators found keratin to be uniformly negative in GCTs while others reported immunoreactivity for keratin in 20% to 68% of cases. To determine the immunophenotype of granulosa cell tumors and to discover which antibodies are useful in differentiating GCTs from histologic look-alikes, we studied 52 GCTs, including 24 typical cases, 23 cases in which the diffuse pattern predominated, and five juvenile cases, with a panel of commercially available antibodies using an automated immunohistochemistry system. Immunoreactivity for granulosa cells in GCTs was as follows: 17 cases (32.7%) reacted with cytokeratin AE1/AE3, six cases (11.5%) reacted with cytokeratin MAK-6, three cases (5.8%) reacted with cytokeratin CAM 5.2, no case (0%) reacted with epithelial membrane antigen, 52 cases (100%) reacted with vimentin, no case (0%) reacted with desmin, 48 cases (92.3%) reacted with smooth muscle actin, and 26 cases (50%) reacted with S-100 protein. No attempt was made to quantify staining of background thecoma-like or fibroma-like elements in GCTs. Immunoreactivity was independent of the histologic subtype of GCT. Cytokeratin immunoreactivity showed a globoid pattern of staining and was consistent with the expression of 52.5-kD and 45-kD cytokeratins (8 and 18 of Moll's classification). For this reason, the presence of cytokeratin immunoreactivity by itself cannot be used to differentiate a primary or metastatic carcinoma from a GCT. The presence of smooth muscle actin and the absence of epithelial membrane antigen immunoreactivity are additional features that are characteristic of a GCT. S-100 protein immunoreactivity is a finding limited exclusively to GCTs among sex cord stromal tumors, and its presence may have some role in differentiating between Sertoli-stromal cell tumors and GCTs. Since epithelial membrane antigen immunoreactivity is present in many of the histologic look-alikes of GCTs, such as metastatic or primary carcinoma, the absence of staining in GCT has diagnostic value.

Adolescent↗
PubMed1990

Inhibin immunoreactivity in gonadal and non-gonadal tumors.

Inhibin immunoreactivity was estimated in a number of gonadal and non-gonadal tumors. Dog Sertoli cell tumors and human granulosa cell and Leydig cell tumors contained high concentrations of inhibin-like material. Levels, comparable with those in normal testes and ovaries were detected in human testicular non-seminomas and in ovarian cystadenomas, thecomas and adenofibromas. No activity was found in human testicular Sertoli/Leydig cell tumors and seminomas and in ovarian adenocarcinomas, teratomas and a dysgerminoma. Furthermore, human adrenal cortical tissue (tumor and hyperplastic adrenal) contained inhibin immunoreactivity. No activity was found in human tumors of the stomach, gut, liver, kidney, pancreas and mammary gland or in meningiomas. It is concluded that inhibin is not a good marker for specific gonadal tumors. Inhibin might have intratumor actions as a growth or differentiation factor.

Animals↗
PubMed2004

Use of morphology to characterize and manage common adnexal masses.

The use of grey-scale ultrasound morphology to characterize a pelvic mass may also be called 'pattern recognition'. The grey-scale ultrasound image provides us with the same information as that obtained by the surgeon or pathologist when he or she cuts a surgical specimen to see what it looks like inside. Many pelvic masses have such a typical macroscopic appearance that a fairly confident diagnosis can be made on the basis of their macroscopic appearance alone, i.e. on the basis of their grey-scale ultrasound image. This is true of most dermoid cysts, endometriomas, corpus luteum cysts, hydrosalpinges and peritoneal pseudocysts, and of many paraovarian cysts and benign solid ovarian tumours, for example, fibromas, fibrothecomas, thecofibromas, thecomas and Brenner tumours. A mass with irregularities should always evoke suspicion of malignancy. A mass that is completely smooth is almost certainly benign. Papillary projections--considered a strong sign of malignancy--are more common in borderline tumours than in invasive cancers but may also be seen in benign tumours, for example, in adenofibromas. They explain many false-positive ultrasound diagnoses of malignancy. Pattern recognition is superior to all other ultrasound methods (e.g. simple classification systems, scoring systems, mathematical models for calculating the risk of malignancy) for discrimination between benign and malignant extrauterine pelvic masses. Today's often too liberal use of transvaginal ultrasound gives clinicians problems. Many adnexal masses that probably would have remained undetected before the ultrasound era are now found incidentally at transvaginal ultrasound examination in women without symptoms of an adnexal tumour. The natural history of incidentally detected pelvic masses with benign ultrasound morphology is not known. Therefore, the optimal management of such tumours is also unknown.

Adnexal Diseases↗
PubMed2004

The STK11/LKB1 Peutz-Jegher gene is not involved in the pathogenesis of sporadic sex cord-stromal tumors, although loss of heterozygosity at 19p13.3 indicates other gene alteration in these tumors.

Germ line mutations in the STK11/LKB1 tumor-suppressor gene (chromosome 19p13.3) are responsible for the Peutz-Jeghers syndrome (PJS). PJS patients frequently develop neoplasms of various organs. Ovarian sex cord-stromal tumor (SCST) with annular tubules, which shows a characteristic morphology intermediate between granulosa cell and Sertoli cell tumors, is distinctively associated with PJS. Although somatic mutations of STK11 are reportedly rare in sporadic forms of common cancers linked to PJS, there are no available studies assessing STK11 alterations in larger series of sporadic ovarian tumors with granulosa, Sertoli or combined differentiation. We examined 29 sporadic SCSTs for loss of heterozygosity (LOH) at 19p13.3, mutation, and promoter methylation of STK11. LOH at 19p13.3 was detected in 12 of 29 (41%) SCSTs, with the highest frequency at chromosome marker D19S894, which localizes approximately 3 mb centromeric to STK11, and it was more frequent in granulosa/Sertoli-stromal cell tumors (10 of 19; 52%) than in thecoma-fibroma tumors (2 of 10; 20%). The 2 fibrothecomas harboring LOH contained sex cord elements. None of the LOH-positive SCSTs demonstrated mutations or promoter methylation of STK11. Our results indicate that LOH at 19p13.3 in sporadic SCSTs targets a gene different from STK11, and may play a role in the pathogenesis of sporadic SCSTs, especially in tumors containing sex cord derivatives.

AMP-Activated Protein Kinase Kinases↗
PubMed1979

Sphenoidal pituitary adenoma.

A 62 year old female died of a chromophobe pituitary adenoma of the sphenoid bone. A normal pituitary gland was present within the sella turcica. She also had a chief cell parathyroid adenoma, a papillary thyroid carcinoma, and an ovarian thecoma (multiple endocrine neoplasia syndrome).

Adenoma, Chromophobe↗
PubMed1997

Inhibin immunohistochemistry applied to ovarian neoplasms: a novel, effective, diagnostic tool.

Immunohistochemistry using monoclonal antibodies against human inhibin, a peptide hormone produced by ovarian granulosa cells to inhibit follicle-stimulating hormone (FSH), has been recently applied to diagnostic anatomic pathology. This investigation hypothesizes that inhibin immunohistochemistry will aid in the crucial clinical distinction between sex cord-stromal and other primary ovarian neoplasms. Available H&E slides and clinical information from a retrospective surgical series of 186 primary ovarian tumors were reviewed to verify diagnoses, and representative paraffin sections were immunostained with anti-inhibin (R1 monoclonal, Serotec, Kidlington, Oxford, UK). Immunoreactivity was graded as weak/strong (W/S), and the proportion of strong staining cells was coded as follows: S1 = <10%, S2 = 10%-50%, S3 = >50%, respectively. Inhibin immunoreactivity for 137 sex cord-stromal lesions was as follows: 100% of 66 granulosa cell tumors: 80% S3, 20% S2; 100% of 17 Sertoli-stromal tumors: 90% S3, 10% S2; 100% of 13 hyperplastic follicular/stromal lesions: 90% S3, 10% S2; 100% of six steroid cell tumors: 100% S3; 90% of 18 thecomas: 40% S3, 10% S2, 10% S1, 30% W; 0% of 12 fibromas, three myxomas, and two sclerosing stromal tumors. None (0 of 49) of the other ovarian neoplasms exhibited inhibin: 22 carcinomas, 12 carcinosarcomas, seven small cell carcinomas, six germ cell tumors, and two lymphomas. In the typical case, the distinction between sex cord-stromal and other ovarian neoplasms requires nothing more than routine pathological examination. In diagnostically challenging cases, our data indicate that inhibin immunohistochemistry is a very useful adjunct because granulosa and sertoli-stromal tumors are positive whereas other potential mimickers have been negative thus far.

Adolescent↗
PubMed1998

Management of Krukenberg tumors: an 11-year experience and review of the literature.

Purposes: The Montefiore Medical Center (MMC) experience with Krukenberg tumors (gastrointestinal cancer metastatic to the ovary) was reviewed 1) in order to determine whether it could be used to make clinical management recommendations, eg, differences in treatment based on menopausal status, secondary debulking, prophylactic oophorectomy; 2) to compare the MMC experience to the reported literature, since one of our patients survived 1912 months beyond the generally accepted mean of this rare tumor.Methods: 1) Prospective study from January 1985-April 1996 of 5 patients followed at MMC with a diagnosis of gastrointestinal (GI) cancer metastatic to the ovary; 2) retrospective chart review of all female patients admitted to MMC with a diagnosis of GI cancer during the same time period; 3) computerized literature review from 1966 to 1996.Results: Five patients were followed prospectively. Retrospective chart review identified 1,016 female patients admitted with gastric (231) or colon (785) cancer, 2 additional cases of Krukenberg tumor were identified. Of the 7 patients with Krukenberg tumors the primary tumor was colon in 5 and gastric in 2. The average age at presentation was 49.3 years (range 35-80); 5 were premenopausal, 2 were postmenopausal, and 2 (28.6%) were postpartum. The average survival of these 7 patients was 12.3 months (range 4 days to 26 months). The 5 patients who had ovarian metastases removed at first laparotomy survived an average of 10.8 months. The 1 patient who had a secondary debulking survived longest (26 months). The 1 patient who had no surgery lived 6 months. These numbers are not statistically significant, but do suggest that further study is warranted. Including the prospectively studied patients, 1,021 patients were evaluated. Seven of 1,021 (0.7%) had Krukenberg tumors. Two of 11 (18.2%) premenopausal gastric cancer patients had a Krukenberg tumor, whereas none of the 222 postmenopausal gastric cancer patients did. Similarly, 3 of 41 (7.3%) premenopausal colon cancer patients had a Krukenberg tumor compared to 2 of 747 (0.3%) postmenopausal colon cancer patients. This difference in menopausal status is significant by Fisher's Exact test (P <.001). Nineteen patients underwent oophorectomy at the time of primary colon cancer surgery: 11 had normal or atrophic ovaries, 2 thecomas, 4 simple cysts, and 2 Krukenberg tumors. Three of 19 (15.8%) were premenopausal.Conclusions: Review of the literature has identified a number of diagnostic and management issues that appear to impact on survival. These include timing of definitive diagnosis of Krukenberg tumors, ie, before, after, or at the same time as diagnosis of the GI primary tumor; menopausal status; concurrent pregnancy; role of debulking; prophylactic oophorectomy. The prognosis worsens when the primary tumor is identified after the metastasis to the ovary is discovered. Krukenberg tumor is more common in premenopausal women than in postmenopausal women. The number of patients with Krukenberg tumors discovered postpartum in our study was significantly increased compared to the other series in the literature. The number of patients who received prophylactic oophorectomy or secondary debulking in our study was inadequate to draw conclusions regarding a benefit of these procedures. However, a benefit may be suggested for debulking, as survival appears to be increased. More importantly, there may be a role for prophylactic oophorectomies in both pre- and postmenopausal patients, as this would eliminate the need for a repeat laparotomy. A randomized trial is needed to evaluate the role of prophylactic oophorectomy and debulking. Since the clinical and pathologic details in the literature vary widely, it is extremely difficult to compare studies, particularly the treatment and survival of patients with Krukenberg tumors. Reports should include age, site of GI primary, time from diagnosis of primary to ovarian metastasis, and overall survival as well as survival from the time of diagnosis and treatment of the Krukenberg. We wish to alert the clinician that persistent GI symptoms always warrant investigation. Pelvic inflammatory disease, pregnancy, and postpartum endometritis may mask the GI symptoms. Delays in diagnosis should be avoided. During surgery, the gynecologic surgeon must do a complete upper abdominal exploration, and the general surgeon must do a complete pelvic evaluation. Since Krukenberg tumors are rare, a national registry should be started to gather information on these patients; this might lead to better diagnosis and treatment.

Journal Article↗
PubMed1977

A clinicopathologic study of steroid-related liver tumors.

A registry of liver tumors was started in late 1973 in an attempt to assess the relationship of these tumors to oral contraceptives or to other environmental factors. This report is concerned with the pathological aspects and the possible pathogenesis of the first 101 tumors accessioned. There were 44 instances of focal nodular hyperplasia, 40 adenomas, four unclassified but probably benign tumors, and 13 hepatocellular carcinomas. Eighty-one patients took oral contraceptives; six were associated with pregnancy; three had taken estrogens for long periods of time; one had a thecoma; four never took sex steroids; and in five the history was unknown. Tumor rupture and intrahepatic hemorrhage were frequent complications. It is possible that the vascular lesions associated with focal nodular hyperplasia could play a part in their pathogenesis as well as with rupture. Foci of adenomatous hyperplasia may be related to the development of adenomas. The association of these tumors with sex steroids could be coincidental. The fact that none of the patients had cirrhosis of liver fibrosis, and that androgenic anabolic steroid therapy has been associated with hepatocellular carcinomas in males, suggests that further study of the problem is necessary.

Adenoma↗