Low-grade serous ovarian carcinoma (LGSC) in a pregnant patient
Presentation
Right pelvic mass discovered during a routine ultrasound for pregnancy.
Patient Data
There is a large multilobulated right ovarian mass of low signal on T1WI, heterogeneous signal on T2WI with areas of intermediate and high signal. DWI/ADC shows restricted diffusion. The uterus is displaced to the left with intrauterine pregnancy (10 weeks).
The left ovary appears normal.
Minimal intraperitoneal effusion in Douglas pouch.
Case Discussion
MRI features of a large right ovarian mass in a pregnant patient
The patient went to have right ovariectomy and the histopathological exam confirmed the diagnosis of a low-grade serous carcinoma (LGSC).
Low-grade serous carcinoma (LGSC) is an uncommon tumour of the ovary and represents around 5% of the serous carcinomas, thought to mostly represent malignant degeneration of serous cystadenoma.
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