Text in Italics is general (instructional) information
The inner pelvis is exposed and the window cut in the inner table of the bone is visible
The lytic and expansile lesion of the Ileal wing is seen on straight Xray. MRI confirms that the lesion is mainly anterior and, although the cortex is expanded inwards, it has not been breached.
Large cystic mass of the acetabular region curetted and packed with bone via anterior approach (Ileoinguinal)
The diagnosis of ABC was confirmed histologically. This girl has been followed up for several years and the cyst has consolidated and is regressing.