Cases reported "Carcinoma, Adenosquamous"

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1/157. Malignant mixed mesodermal tumor presenting as metastatic lymph node adenosquamous cell carcinoma: a case report.

    A solitary inguinal lymph node metastasis from a poorly differentiated adenosquamous cell carcinoma of unknown origin in a 52-year-old female is described. The patient was reported to have had a 2-cm palpable mass in the left inguinal area for three years. She had made regular annual clinic visits for Pap smears since the age of 45 years. Her last visit was eight months prior to a complaint of progressive abdominal distention and dull pain of three months' duration. physical examination showed a huge pelvic mass, and ultrasound and magnetic resonance imaging of the abdomen showed a 12-cm complex solid mass on the left ovary. The patient underwent a complete excisional biopsy of the left inguinal lymph node. Frozen section pathology revealed a poorly differentiated adenosquamous cell carcinoma. Exploratory laparotomy immediately followed pathologic confirmation of malignancy of the left inguinal lymph node. Complete surgical staging including abdominal cytology, total abdominal hysterectomy, bilateral salpingo-oophorectomy, infracolic omentectomy, retroperitoneal lymph node sampling and excisional biopsy was performed for all suspicious lesions. Stage IIIC malignant mixed mesodermal tumor (MMMT) was diagnosed due to positive left inguinal lymph node metastasis. However, the retroperitoneal lymph node and intra-abdominal cavity did not show spread of the tumors, except those confined to the left ovary with adhesion to the cul-de-sac, and sole lymph node metastasis in a left inguinal lymph node. Although we could not prove that the left inguinal lymph node metastasis had been present for the three years that it was palpable without histologic confirmation, we believe that any enlarged inguinal lymph node might be the first hint of underlying malignancy in the pelvic area, lower extremities or perineal area. In cases of a poorly differentiated carcinoma of inguinal lymph nodes of unknown origin, the abdomen should be carefully evaluated. ( info)

2/157. Adenosquamous carcinoma of the mouth: a rare variant of squamous cell carcinoma.

    Adenosquamous carcinoma is a rare tumour in the oral cavity and is characterised histologically by carcinomatous change in surface epithelium, in association with adenocarcinoma affecting the ducts of minor salivary glands. Only a dozen cases have previously been reported in the oral cavity, but all have shown an aggressive course with 60% of patients dying of disease. We report three further cases and review the literature, which suggests that this lesion should be regarded as a high-grade variant of squamous cell carcinoma. ( info)

3/157. Adenosquamous carcinoma of the prostate: case report with DNA analysis, immunohistochemistry, and literature review.

    We diagnosed prostatic adenosquamous carcinoma by prostate core needle biopsy in a 55-year-old man with no history of prostate cancer. The prognosis, DNA analysis, and histogenesis of this extremely rare tumor are controversial. To our knowledge, this is the first case of adenosquamous carcinoma diagnosed by core needle biopsy in a patient with no history of prostate cancer or hormonal therapy. We performed immunohistologic and DNA analysis to further characterize this cancer. The clinical presentation and abnormal DNA analysis portend an aggressive course. ( info)

4/157. Special problems in cervical cancer management.

    Cervical cancer is easily recognized when it presents as a visible lesion, but a problem arises when it adopts unusual presentations. Cervical cancer can develop high in the endocervical canal, beyond the reach of cone biopsy. Copious vaginal discharge from cervical adenocarcinoma may lead to a false-negative Papanicolaou (Pap) smear. Treatment of cervicitis can result in a delay in diagnosis. Successful and timely diagnosis and treatment of cervical cancer requires experience and vigilance. Careful intraoperative palpation of the cervix and uterus can help determine the location and extent of the lesion. Flexibility during surgery is required to utilize intraoperative findings and thus optimize treatment. Pitfalls of cervical cancer diagnosis and treatment with actual case presentations are presented along with other special problems in cervical cancer management such as incidental findings of cervical cancer in hysterectomy specimens, treatment of cervical stump cancers, and unusual cervical cancer cell types. ( info)

5/157. A case of primary adenosquamous/squamous cell carcinoma of gallbladder directly invaded duodenum.

    A rare case of primary gallbladder carcinoma is reported. A 67 year-old woman was admitted to our hospital for treatment of suspected duodenal carcinoma. A series of radiographic examinations demonstrated a giant tumor involving the duodenum, gallbladder, pancreatic head, and transverse colon. These extensions made it difficult to identify the primary origin of the carcinoma. Pancreatoduodenectomy, cholecystectomy, and resection of the transverse colon were performed. Macroscopically, ulcerative lesions were seen in both the gallbladder and the duodenum. Microscopic examination revealed adenosquamous cell carcinoma of the gallbladder, invasive of the adjacent organs, including circumferential invasion of the second portion of the duodenum. The patient tolerated the operation well and was discharged 28 days post-operatively, but died of liver metastasis 4 months after surgery. Local invasion of the surrounding tissues is characteristic of adenosquamous/squamous cell carcinoma of the gallbladder. Although surgery for cure is deemed possible, the rapid growth rate of this type of tumor may cast doubt on the value of extensive radical surgery. ( info)

6/157. HPV in situ hybridization with catalyzed signal amplification and polymerase chain reaction in establishing cerebellar metastasis of a cervical carcinoma.

    We report an unusual case of cerebellar metastasis from a cervical adenosquamous carcinoma in which molecular techniques assisted in establishing the correct diagnosis. The patient was a 43-year-old woman with surgically unresectable cervical carcinoma diagnosed 2 years before presenting with neurological symptoms. A magnetic resonance imaging scan showed a large, enhancing cerebellar lesion with significant brain stem compression. The excised cerebellar tumor resembled a small cell carcinoma and was initially not thought to be a metastasis from the cervical adenosquamous carcinoma. in situ hybridization with catalyzed signal amplification and polymerase chain reactions with primers specific for human papilloma virus (HPV) types 16 and 18 were used to determine the relationship between the cervical and the cerebellar neoplasms. A positive signal was present in the nuclei of both neoplasms by in situ hybridization using HPV16/18 dna probes. polymerase chain reaction revealed the presence of HPV-18 DNA sequences in the cervical and cerebellar neoplasms confirming that the cerebellar neoplasm was a metastasis from the cervical primary. ( info)

7/157. Port-site metastasis following laparoscopic lymphadenectomy for adenosquamous carcinoma of the cervix.

    Although incisional metastases following surgery for cervical cancer are extremely rare, port-site disease following minimal-access surgery is becoming increasingly reported. We report a case of a metastasis which occurred at a port site following laparoscopic removal of lymph nodes affected by cervical adenosquamous carcinoma. This report adds to the literature suggesting that cutaneous tumor deposition may be enhanced by this method of surgery. ( info)

8/157. Adenosquamous carcinoma of the prostate.

    We present an unusual variant of prostatic adenocarcinoma with obvious squamous differentiation. The squamous component is represented by cells that contain vesicular or hyperchromatic nuclei and large acidophilic cytoplasm. We could demonstrate immunohistochemically the presence of prostate specific antigen (PSA) and glial fibrillary acidic protein (GFAP) in these tumour cells. Either in adenocarcinomatous or malignant squamous components, the prostatic epithelial cells showed the two markers, namely PSA, GFAP, which may reflect the multidirectional differentiation of these cells from a pluripotent origin. ( info)

9/157. Adenosquamous carcinoma of the small intestine. Report of a case and review of the literature.

    Primary adenosquamous carcinomas of the intestine are rare tumors, particularly those occurring in the small bowel. We report the third case of an adenosquamous carcinoma of the ileum in a 55-year-old-man. Histologically, the tumor consisted of malignant glandular and squamous elements. A review of the literature is presented. ( info)

10/157. 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)
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