A 60-year-old women presents with a 2-week history of uterine bleeding. Gynecologic examination reveals an enlarged uterus. The hysterectomy specimen shows a large polypoid mass involving the endometrium and myometrium. Histologic examination reveals malignant glands and malignant stromal elements, including striated muscle and cartilage. What is the appropriate diagnosis?
Correct Answer: Carcinosarcoma
Description: Carcinosarcoma is an aggressive, mixed mesodermal tumor, in which the epithelial and stromal components are both highly malignant. These neoplasms are derived from multipotential stromal cells. The overall 5-year rate survival is 25%. Pleomorphic adenoma (choice D) is a mixed tumor of salivary gland. The other choices do not feature biphasic components.Diagnosis: Carcinosarcoma
Category:
Pathology
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