Ruptured corpus cavernosum (penile fracture): MRI findings
Acute pain and swelling in the penis following vigorous sexual intercourse.
MRI performed prior to surgical intervention
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Penis is held in an abducted position on the anterior abdominal wall. Small transverse defect in the mid right tunica (arrow) overlying the corpus cavernosum with an adjacent small haematoma (containing methaemoglobin given the T1 hyperintensity) and a larger haematoma (arrow) more proximally at the base. This larger clot extrinsically compresses the corpus and is associated with minor intracavernosal T1 hyperintensity suggesting minor thrmbosis.
MRI is very useful to define the location, extent and shape (ie transverse or longitudonal) of any tear in the tunica albuginea prior to surgical intervention as well as the location of haematoma that might need draining. At surgery a small tear was confirmed and repaired on the right.
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