[ 18 F]FDG PET/CT Findings of Primary Uterine Dysgerminoma : A Case Report.

Clin Nucl MedSep 9, 2026 (epub)

Chunyuan Zeng, Huiyu Zheng, Ziquan Feng et al.

✦ AI-curated · Sources linked

Case in brief

A 60-year-old woman presented with dull lower abdominal pain. Ultrasonography showed a posterior uterine mass suspicious for sarcoma. FDG PET/CT demonstrated uterine distortion and marked enlargement with diffuse increased uptake, suggesting malignancy. MRI showed a posterior wall mass with lower enhancement than the normal myometrium and internal enhancing septa, raising concern for leiomyosarcoma. After total hysterectomy and bilateral salpingo-oophorectomy, histopathology and immunohistochemistry identified the mass as primary uterine dysgerminoma.

What made this case unusual

Imaging suggested a uterine sarcoma, particularly leiomyosarcoma, but histopathology and immunohistochemistry established primary uterine dysgerminoma, a rare malignant neoplasm.

Diagnostic / clinical pearl

Imaging features of a malignant uterine mass may not establish its histologic type; tissue examination, including immunohistochemistry, was needed to diagnose dysgerminoma in this case.

Source

Published in Clin Nucl Med. This summary was written by xxcode from the publication's abstract and metadata. It is not peer reviewed and is not a substitute for the original article. For clinical decisions, review the original publication.

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AI-generated summaries may contain errors or omissions. Verify clinically important information with the original publication.

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