Female Genital Tract, Mature cystic teratoma [LMP31656]
Keywords
Retroperitoneum, spleen, teratoma, dermoid
Clinical History
Young woman presenting with a large multicystic abdominal mass.
Clinical Discussion
Mature cystic teratoma is a benign germ cell tumour, and the most common benign ovarian tumour. In this case, the tumour presents not as an ovarian mass, but as a large cystic retroperitoneal mass involving the soft tissues surrounding the kidneys, pancreas, and spleen. Grossly, a large cyst can be seen adhering to the spleen. The whole slide image shows benign splenic tissue with a thick-walled cyst lined by squamous epithelium. Granulomatous reaction can be seen, similar to the findings seen in an ovarian dermoid cyst (the most common form of mature cystic teratoma).
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