Figure 1
From: Sciatica due to extrapelvic heterotopic ossification: A case report

Pre-operative radiographs of the pelvis. (A) Anteroposterior; (B) lateral. The arrows point to the heterotopic bony masses.
From: Sciatica due to extrapelvic heterotopic ossification: A case report
Pre-operative radiographs of the pelvis. (A) Anteroposterior; (B) lateral. The arrows point to the heterotopic bony masses.