Clinical presentation:
Man of 20 years with pain in his left side.

• Features in images
• Diagnosis
• Differential Similar appearances to this image.

Features in the image

There is a purely lytic area in the left ilium with a fairly narrow zone of transition between normal and abnormal bone.

existing cases of other pathology that may resemble primary pathology

Metastasis from breast.
Plasmacytoma
Osteoclastoma
chondrosarcoma
Osteosarcoma
Haemangioma
Brown tumours of Hyperparathyroidism
Fibrous dysplasia
Pseudotumour of Haemophilia.

ian@idmhome.demon.co.uk