Overview of MR arthrography of shoulder

Contrast:
0.1-0.2 mL of Gd in 20 mL of saline
12-20 mL

Sequences:
T1 FS - axial, coronal, sagittal, ABER
T2 FSE/ STIR - coronal

Axial:
SGHL - parellal to corocoid process
MGHL - parellal to subscapularis
IGHL - seen in axillary recess

Coronal:
Long head of biceps
MGHL
Superior labrum - seen as a triangle

Sagittal:
Anterior band of IGHL - seen from 3 O clock position
Coracohumeral ligament

ABER view:
Anterior band of IGHL is continouous with anteroinferior labrum

Pathologies:
Most of the normal variants occur between 11 and 3 O clock postion
Most of the pathologies occur between 3 and 6 O clock position