18 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... scapholunate interosseous ligament ... box, pain with wrist ... #TerryThomas #Wrist ... Orthopedics #Sports #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
muscle, tendon, ligaments ... Acute loss of lateral ... #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... On lateral wrist ... , pain with wrist ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Posterior hip dislocation ... shearing injury -> Ligaments ... from impact onto lateral ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology
Classification of Pelvic Ring Fractures: Mechanisms, Clinical Features and Complications
 • Anterior Posterior Compression (APC) -
Compression - Lateral ... ilium fracture dislocation ... #Orthopedics #MSK ... #diagnosis #complications ... #pathophysiology
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
duck sign" on lateral ... duck sign" on lateral ... injuries: Perilunate dislocation ... Radiology #XRay #Diagnosis ... Orthopedics #Sports #MSK
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Compression/injury of Lateral ... Straight Leg Raise Test ... inguinal ligament ... MeralgiaParesthetica #MSK ... #pathophysiology
Soft Tissue Lesions - Differential Diagnosis Algorithm 
Septic
 • Septic Bursitis
 • Necrotizing Fasciitis
 • Septic
- Differential Diagnosis ... Fasciitis • Septic Tenosynovitis ... • Cellulitis Ligament ... Meniscal Injury • Labral ... SoftTissue #Lesions #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Interphalangeal Joint Dislocation ... capsule. collateral ligaments ... degrees of flexion; lateral ... Radiology #XRay #Diagnosis ... #Orthopedics #MSK
Prior anterior glenohumeral joint dislocation with Hill-Sachs fracture and Perthes lesion
Imaging Findings:
 • The arrow is
glenohumeral joint dislocation ... repair Differential diagnosis ... inferior glenohumeral ligament ... clinical #Radiology #diagnosis ... #msk