Fig. 2
A female patient with right lower quadrant pain for three days. She had surgically confirmed haemorrhagic infarction without any space occupying lesion, and oophorectomy was performed. a T2-weighted fat-suppressed axial image shows an enlarged right ovary with strong stromal hypointensity (arrows) and peripherally deplased follicles. b T1-weighted fat-suppressed axial image reveals slight hyperintensity of swollen stroma compared to iliopsoas muscle (arrows). Note also the slightly hyperintense haemorrhagic free peritoneal fluid in the pelvic resseses (stars). c b 1000 image shows strong hypointensity in the ovarian stroma (arrows) and hyperintense haemorrhagic fluid in the pelvic resseses (stars). d Visual assessment of ADC map shows strong stromal hypointensity (ADC value, 0.87 × 10−3 mm2/s) and hypointense haemorrhagic fluid in the pelvic resseses compared to urinary bladder