Non-teratomatous ossification of the ovary, a rare entity: case report and review of the literature.

Eun Hee Yu, Yong Jung Song, Hyun Zoo Lee, Nam Kyung Lee, Kyung Un Choi, Dong Soo Suh, Ki Hyung Kim, Chang‐Hoon Lee
In: International journal of clinical and experimental pathology · 2020 · vol. 13(9) , pp. 2356–2362 · PMID:33042343 · PMC7539864 · W3092500721
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Abstract

Ossification in non-teratomatous ovaries is extremely rare. This phenomenon may occur in various non-neoplastic or neoplastic ovarian diseases. A 34-year-old woman presented with lower abdominal pain of about 3 months. Transvaginal ultrasonography and plain abdominal radiography revealed an ovoid, calcified mass in left adnexa. Computed tomography (CT) demonstrated a well-defined cystic lesion measuring 7.7 × 5.1 cm with internal hemorrhage and peripheral curvilinear calcifications. The patient underwent laparoscopic surgery. The cut surface revealed a hemorrhagic cyst with a hardened wall and a muddy, yellow surface. Histologic examination revealed an ovarian hemorrhagic cyst with ossification. The authors present an unusual case of ossification in the ovary associated with an old hemorrhagic cyst and include a review of the literature.

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