36 results
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
cause of anterior shoulder ... Differential diagnosis ... #Ligament #shoulder ... clinical #Radiology #diagnosis ... #msk
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
Capsulitis (Frozen Shoulder ... mellitus, thyroid disease ... women > men), the glenohumeral ... pathophysiology #diagnosis ... stages #staging #msk
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Fragility Fractures - Differential ... Diagnosis Algorithm ... spine/Pelvis - Positive ... Fractures #Pathologic #MSK ... #Differential #
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... Diagnosis Algorithm ... Erythematosus (SLE), should ... Joint #Disorders #msk ... #Differential #
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Erythrocytosis) - Differential ... Diagnosis Algorithm ... Idiopathic JAK-2 Positive ... #Diagnosis #Algorithm ... #Causes #Hematology
IgG4-associated conditions

Diagnosis of IgG4 disease is depending on BIOPSY. While IgG4 levels can be informative (and
conditions Diagnosis ... and absolutely should ... inflammation of IgG4-positive ... #differential # ... diagnosis
Hydroxyapatite Deposition Disease (HADD) - MSK Radiology
Imaging Findings:
 • Ovoid hypointense structures along the bursal surface
(HADD) - MSK Radiology ... ) • Milwaukee shoulder ... arthropathy of the shoulder ... Differential diagnosis ... #msk
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Positive ANA ≠ Autoimmune ... Disease! ... healthy adults, and should ... ANA #patterns #rheumatology ... #diagnosis #differential
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
in Sickle Cell Disease ... common sites: hip, shoulder ... #differential # ... diagnosis #causes ... #hematology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gouty Arthritis) - MSK ... • This case should ... Differential diagnosis ... diffuse chondral disease ... #msk #rheumatology