Contrast-Enhanced Ultrasound and Computed Tomography Findings of Recurrent Ovarian Steroid Cell Tumor Presenting with Peritoneal Seeding: A Case Report

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This paper was supported by Wonkwang University in 2012. We present ultrasonography and computed tomography (CT) findings of a case of recurrent ovarian steroid cell tumor presenting with peritoneal seeding in a 45-year-old woman. On abdominal ultrasonography, there were multiple hypoechoic round masses in the peritoneal cavity including the perihepatic area. Contrast-enhanced ultrasonography showed intense homogenous enhancement on the arterial phase and delayed prolonged enhancement of the masses. CT revealed multiple peritoneal solid masses with strong enhancement. Five years ago, the patient had been diagnosed with a steroid cell tumor of the left ovary. At that time, the CT showed a well-enhancing, lobulating, large solid mass at the left adnexa. Imaging findings of the peritoneal masses suggested peritoneal seeding from the preexisting ovarian steroid cell tumor. For treatment of the metastatic lesions in the perihepatic area, ultrasonography-guided radiofrequency ablation (RFA) was performed, and debulking surgery for the peritoneal masses was done. Six months later, complete ablation of the perihepatic metastases by RFA and a marked decrease in the peritoneal metastases by surgery were found on the follow-up CT. Index terms Ovarian Steroid Cell Tumor Recurrent Peritoneal Metastasis Peritoneal Seeding Treatment Contrast-Enhanced Ultrasound and Computed Tomography Findings of Recurrent Ovarian Steroid Cell Tumor Presenting with Peritoneal Seeding: A Case Report 복막 파종으로 재발한 난소 스테로이드 세포 종양의 조영증강 초음파 및 전산화단층촬영 소견: 증례 보고

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