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Fig. 19 | Insights into Imaging

Fig. 19

From: Cross-sectional imaging of acute gynaecologic disorders: CT and MRI findings with differential diagnosis—part I: corpus luteum and haemorrhagic ovarian cysts, genital causes of haemoperitoneum and adnexal torsion

Fig. 19

Right adnexal torsion in a 24-year-old woman with acute abdominal pain and leukocytosis. Multiplanar T2-weighted (ad), oblique-axial precontrast fat-suppressed T1-weighted (e) and oblique-axial gadolinium-enhanced fat-suppressed T1-weighted (f) images show an enlarged (10 cm diameter) right ovary (arrowheads) with afollicular T2-hyperintense central stroma (asterisk in b and c), peripheral follicles (‘pearl string sign’, thin arrows in b and d) and corpus luteum (arrow in a). The normal left ovary is also seen (black arrowhead in b). Note the engorged blood vessels along the posterior portion of the right adnexa (black arrows in a, c and f). The enlarged right ovary shows homogeneous intermediate T1-weighted signal intensity (asterisk in e), without hyperintense haemorrhagic changes, reflecting the early stage of torsion. The patient underwent laparoscopic detorsion with adnexal sparing

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