MR images show subacute right ovarian vein thrombosis. Coronal T1-weighted image (a) demonstrates an enlarged right ovarian vein showing increased signal (arrow) with an isointense central focus and axial T2-weighted image (b) shows high signal (arrow) indicative of methemoglobin within a complex thrombus. Contrast-enhanced axial T1-weighted image (c) reveals significant contrast enhancement of the vessel wall.
