Fig. 4From: Ischial osteochondroma as an unusual source of pregnancy-related sciatic pain: a case reportAnteroposterior right hip radiograph, demonstrating a large pedunculated bony excrescence arising from the right ischial ramus. The mass is seen to be continuous with the medullary canal and cortex of the ischium, a pathognomonic feature of osteochondroma. An intrauterine device is also visible within the pelvisBack to article page