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Ovarian stone. A case report
Weng-Hsiang Su1, Peng-Hui Wang, Sheng-Ping Chang
1Department of Obstetrics and Gynecology, Veterans General Hospital-Taipei, National Yang-Ming University, Taiwan. solson@tpts5.seed.net.tw
Background:
To our knowledge, ovarian calcification and ossification involving the whole ovary with images that mimic stone formations have not been reported before.
Case Report:
A 42-year-old woman presented with severe abdominal pain. Plain abdominal radiography showed a well-defined, calcified mass, 4 x 5 cm, located in the pelvis. Physical examination showed a right adnexal mass accompanied by severe pain and tenderness while lifting. Transvaginal ultrasound showed an ill-defined mass with acoustic comet tail. Computed tomography demonstrated a well-defined mass on the right adnexa, 4 x 5 cm, with an extensively calcified shell. Surgical exploration revealed an enlarged, ovoid, pale brown ovary, which looked exactly like an ovary made of stone. The pathologic findings were compatible with a benign chocolate cyst with extensive calcification and ossification. The pelvic pain resolved completely after the surgery.
Conclusion:
Though the cause of this unique case remains unknown, torsion with subsequent infarction of an ovarian endometrioma was suggested. Complete excision was the treatment of choice.