医学生豆知識
肩関節痛の鑑別:DEFORMS
D - Dislocation
E - Elderly Abuse
F - Fracture
O - Osteoporosis / Osteomyelitis
R - Rotator Cuff Injury
M - Myositis
S - Sac Inflammation (Bursitis) + Sprain (as suggested by a reader in the comments below)
(「セイントとフランシスの総合外来診療ガイド」より)