Localized malignant mesotheliomas (LMM) is an uncommon and poorly recognized neoplasm. Its pathologic diagnosis is often surprising in patients with serosal/subserosal based localized tumors that are clinically suspicious for metastatic les…
Ectopic tissues rarely occur in the lung. They include endometriosis, neurological tissue, thyroid, pancreas, and adrenal. Choristomas are very rare developmental anomalies derived from these ectopic tissues. They develop as a mass composed…
A 21-yr-old woman with a history of epigastric pain and a right upper quadrant mass was found to have a large parenchymal hepatic cyst on CT scan. The cyst was removed at surgery and found to be lined by ectopic endometrial tissue. This is,…
A 36-yr-old woman with a history of epigastric pain and a recent episode of acute pancreatitis was found at surgery to have a cyst in the tail of the pancreas that was lined by ectopic endometrial tissue. This is, to our knowledge, the firs…
The case of a 44-year-old woman wih bilateral ovarian malignancies in association with endometriosis is presented. A carcinosarcoma was present in the right ovary, and a well-differentiated endometrioid carcinoma in the left ovary. This cas…