"Fat Halo Sign" involving terminal ileum and caecum

Fat Halo Sign = Chronic Crohn's Disease, but......

Bowel Wall Fat Halo Sign in Patients Without Intestinal Disease -- see AJR 2003; 181:781-784

http://www.ajronline.org/cgi/content/full/181/3/781

Radial Tear Posterior Medial Meniscal Root

Patella Dislocation and PT-LFCFS

Proximal Patella Tendinosis and Interstitial Tear

Facetal Osteoid osteoma

Note: tiny hypointense nidus.

Mucoid Degeneration ACL with extraligamentous and intraosseus ganglia and marrow oedema LFC

The Celery Stalk Sign -- see Radiology December 07

ACL -- MRI pathology:

http://emedicine.medscape.com/article/400547-overview

Synovial Hypertrophy

Patellar Tendon-Lateral Femoral Condyle Friction Syndrome

Meso Os Acromiale

Adhesive Capsulitis

Normal capsular thickness is up to 3mm.

Snapping Hip Syndrome

http://musculoskeletalmri.blogspot.com/2008/08/snapping-hip-internal-or-external.html

(linked with permission)

Renal Artery Aneurysm

Distal CBD Ca

Nice Article: November 2002 RadioGraphics, 22, 1335-1352

http://radiographics.rsna.org/content/22/6/1335.full

Amyloid Angiopathy

Type II Choledochal Cyst

Subacromial Spur