Article
Malignant struma ovarii: Advances in molecular pathogenesis, classification, diagnosis and treatment.
Histopathology - 1 Jul 2026
Lin Wanrun, Zhou Xin, Wang Yudong, Zhou Feng
Abstract excerpt
Malignant struma ovarii (MSO) is an extremely rare ovarian teratoma containing malignant thyroid tissue, typically presenting in middle-aged women. Molecularly and histologically, MSO mirrors thyroid carcinoma and includes analogous subtypes as defined in the 2022 WHO classification: 'BRAF-like' tumours (commonly driven by BRAF^V600E mutations or kinase fusions) and 'RAS-like' tumours (driven by mutations in the...
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