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Fig. 4 | Insights into Imaging

Fig. 4

From: Radiological appearances of gynaecological emergencies

Fig. 4

Torsion of an ovarian mass. Patient with a history of gastric cancer developed lower abdominal discomfort and attended for CT (a), which demonstrates bilateral solid/cystic complex adnexal masses consistent with ovarian metastases. Two months later she presented to the emergency department with acute onset of right iliac fossa pain with nausea and MRI of the pelvis was performed (bd). b Sagittal T2-weighted image demonstrates marked enlargement of the right ovary with high T2 signal intensity in keeping with stromal oedema (white arrow). c Axial T1 image with fat saturation shows central low signal intensity (white arrow) surrounded a rim of high signal intensity in the enlarged right ovary consistent with peripheral haemorrhage (black arrow). d Axial T1 fat sat image following gadolinium administration confirms lack of enhancement of the right ovary (black arrow consistent with right ovarian torsion). The left ovarian metastasis enhances avidly (white arrow)

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