Aneurysmal Bone Cyst of Ischiopubic Ramus: A Rare Location with Literature Review

Abstract

Aneurysmal bone cyst (ABC) is a locally destructive lesion of the bone rather than a true neoplasm. The pelvis is not an unusual site for an ABC; approximately 12% of cases occur in this location. We present a case of aneurysmal bone cyst (ABC) in ischiopubic ramus in a 22 years old male who presented with right inguinal swelling and pain. He was evaluated with X-ray and  Magnetic  Resonance Imaging (MRI) of pelvis. A review of literature regarding this rare site of ABC with radiological features is also described in this case report.

ABC of ischiopubic ramus is an uncommon entity hence diagnosis of such  a  case  requires  proper  clinical, radiological and histopathological evaluation to rule out other differential diagnoses  of  an  expansile, osteolytic lesion. This will help in selecting a proper treatment plan.