Cases reported "Mixed Tumor, Mullerian"

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1/116. Malignant mixed Mullerian tumor with rhabdoid features: a report of two cases and a review of the literature.

    Rhabdoid tumors were originally described as a type of pediatric renal neoplasm that contains cells resembling rhabdomyoblasts but lacking muscle differentiation. Extrarenal rhabdoid tumors have since been reported in multiple anatomic sites in the pediatric and adult population. These tumors are characterized by an aggressive clinical course, resistance to treatment, and a rapidly fatal outcome. Eight cases of uterine neoplasms with rhabdoid differentiation have been previously reported. In the three cases where clinical follow-up was available, the patients died of disease within 3 to 17 months after the diagnosis was established. We report two cases of uterine malignant mixed Mullerian tumor (carcinosarcoma) with rhabdoid differentiation. The findings and clinical outcome confirm the aggressive nature of uterine tumors with rhabdoid differentiation. One of the patients died of disease 3 months after initial operative treatment while the other patient's tumor recurred in 1 month and she died within 10 weeks. The poor prognosis of these neoplasms makes their histopathologic recognition important. ( info)

2/116. carcinosarcoma, endometrial intraepithelial carcinoma and endometriosis after tamoxifen therapy in breast cancer.

    The fourth case of heterologous mesodermal tumour of the uterine corpus, that developed, years following tamoxifen therapy for breast cancer in a postmenopausal woman with no previous pelvic irradiation, is presented with coincidental endometriosis and endometrial intraepithelial carcinoma. This coincidence after tamoxifen treatment appears to be an indication for the possible carcinogenic potency of tamoxifen. ( info)

3/116. Synchronous genital tract neoplasms.

    Synchronous genital tract neoplasms constitute a more common clinical problem than would be generally expected. This case focuses on mixed mullerian tumours and postulates a mechanism for an increased incidence found associated with synchronous genital tract neoplasms. ( info)

4/116. Mullerian carcinofibroma of the uterus. A case report.

    BACKGROUND: Mullerian carcinofibroma is composed of malignant epithelial tumor (cancer) and benign mesenchymal tumors. It is the least frequent among mixed mullerian tumors. There are eight reported cases of carcinofibroma or cases showing similar histology, with only two of these cases recurrent. CASE: A case of mullerian carcinofibroma arose in the uterine body. The patient was an 83-year-old, postmenopausal female whose endometrial cytology revealed cell clusters of adenocarcinoma and scattered nonepithelial cells with enlarged nuclei without nuclear atypism or mitosis. histology of the resected uterus showed a mixture of well to poorly differentiated adenocarcinoma, and fibromatous and leiomyomatous nonepithelial tumors without a transition between them. There was no sign of recurrence nine months after hysterectomy. CONCLUSION: Mullerian carcinofibroma seems to have a better prognosis than malignant mixed mullerian tumor. When both cancer cells and an abundance of nonepithelial cells are seen on gynecologic cytology, it may be important to consider mixed mullerian tumor and to differentiate mullerian carcinofibroma from malignant mixed Mullerian tumor by careful observation of the nuclear size, nucleoli, nuclear atypism and mitosis of the nonepithelial cells. ( info)

5/116. Collision of uterine rhabdoid tumor and endometrioid adenocarcinoma: a case report and review of the literature.

    Extrarenal malignant rhabdoid tumors have been reported in a variety of anatomic sites but infrequently in the female genital tract. In the uterus, they have been described as a pure tumor, in association with endometrial stromal sarcomas, and as a component of a malignant mullerian mixed tumor. This study reports an unusual uterine neoplasm in a 49-year-old woman, in which a malignant rhabdoid tumor occurred as a collision tumor with a well-differentiated endometrioid adenocarcinoma. The tumor was a 14-cm polypoid mass that filled the endometrial cavity. The two neoplastic components were distinct on microscopic and immunohistochemical examination. Ultrastructural examination confirmed the rhabdoid phenotype of the sarcomatous component. The patient died of disease 4 months after diagnosis with progression of the malignant rhabdoid tumor. The highly aggressive behavior of the rhabdoid (i.e., nonepithelial) component in this collision tumor lends support for a distinction of this neoplasm from a malignant mullerian mixed tumor, with which it may be confused. ( info)

6/116. Cytogenetic and molecular characterization of a malignant mixed mullerian tumor of the uterus with a t(8;22)(q24.1;q12).

    We report the cytogenetic and molecular findings in a malignant mixed Mullerian tumor of the uterus in a 65-year-old woman. Karyotypic analysis revealed a t(8;22)(q24.1;q12) as the sole abnormality in all 20 cells analyzed. Southern blot analysis of two positional candidate genes, myc at 8q24, and EWS at 22q12, showed no genomic rearrangement. The finding of the t(8;22) as the only abnormality may be of etiologic significance. ( info)

7/116. Cancer-associated retinopathy.

    patients with systemic cancer may have a variety of ocular complaints. Most commonly these are metastases or adverse effects of therapy. paraneoplastic syndromes, like cancer-associated retinopathy, rarely cause ophthalmic symptoms. We describe a patient with a malignant mixed mullerian tumor and cancer-associated retinopathy who had circulating serum antibodies to recoverin and cells positive for recoverin in the tumor. We discuss the typical clinical symptoms as well as the pathophysiology of this uncommon disorder. ( info)

8/116. Good response of malignant mixed mullerian tumor of the ovary to paclitaxel and cisplatin chemotherapy.

    survival of patients with advanced stage malignant mixed mullerian tumor of the ovary is poor and the best treatment remains unknown. A 62-year-old woman diagnosed with stage IIIC heterologous malignant mixed mullerian tumor of the ovary underwent optimal cytoreductive surgery followed by paclitaxel (135 mg/m2 over 24 hours) and cisplatin (75 mg/m2) every 4 weeks for 6 courses. The patient tolerated chemotherapy well, had complete clinical response and remained without disease for 21 months following diagnosis. paclitaxel and cisplatin may be effective in malignant mixed mullerian tumors of the ovary. ( info)

9/116. carcinosarcoma of the uterus associated with a nongestational choriocarcinoma.

    choriocarcinoma has been reported in association with endometrial carcinoma and as a metaplastic change in multiple carcinomas, including liver, urinary bladder, lung, and the gastrointestinal tract. We report choriocarcinoma in conjunction with a carcinosarcoma (also called malignant mullerian mixed tumor) in a 71-year-old woman whose hysterectomy specimen revealed two polypoid lesions of the endometrium, one arising from the anterior endometrium and one arising from the posterior endometrium. Histologic examination revealed three histologic patterns. The anterior endometrial lesion showed a FIGO grade 2 endometrioid endometrial adenocarcinoma. The posterior endometrial lesion showed a carcinosarcoma composed of a high-grade adenocarcinoma and scant homologous stromal sarcoma. In addition, a choriocarcinoma was identified intermixed with the adenocarcinoma. The syncytiocytotrophoblasts and cytotrophoblasts stained strongly with 0 human chorionic gonadotropin (beta-hCG) and human placental lactogen (hPL). The patient's beta-hCG levels on postoperative days 14, 27, and 42 were 283, 32, and 7 mIU/mL, respectively. This unusual case suggests the importance of identifying the choriocarcinomatous component, since the serum beta-hCG can serve as a marker of tumor recurrence postoperatively. ( info)

10/116. scoliosis associated with typical Mayer-Rokitansky-Kuster-Hauser syndrome.

    Disorders that cause congenital scoliosis include Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome. We present the case of a 46-year-old karyotypical (XX) woman with mullerian agenesis (MRKH type A, typical form), a rudimentary bicornate uterus, a blind vaginal pouch, and adenocarcinoma of both ovaries with subsequent bilateral salpingo-oophorectomy. She also had scoliosis of the thoracic and lumbar spine, an association thus far seen only among patients with type B (atypical) MRKH. We describe typical and atypical forms of MRKH and emphasize how these various anomalies associated with mullerian agenesis have affected the classification of the syndrome. We also outline possible embryologic etiologies of mullerian agenesis. ( info)
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