14 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... " on lateral x-ray ... " on lateral x-ray ... #Carpal #Radiology ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Dislocation On lateral ... commonly, 60%; also ... fracture, median nerve ... #Carpal #Radiology ... #XRay #Diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... box, pain with wrist ... #Radiology #XRay ... Orthopedics #Sports #MSK
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... evaluation should also ... include a: • Neurologic ... Noise trauma ○ MS ... #Differential #
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
reactants are also ... Stimulation of nerve ... Swelling notable on Xray ... boggy" joints, esp carpal ... RheumatoidArthritis #RA #pathophysiology
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
glenoid -> Acute loss ... of lateral deltoid ... Structural damage to nerves ... Dislocation #Diagnosis #signs ... #symptoms #msk
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
lumbar spine Signs ... • Areflexia (loss ... damage to sacral nerves ... CaudaEquina #Syndrome #MSK ... #pathophysiology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
sclerosis Pathophysiology ... LMN: Weakness, loss ... conditions listed in differential ... activity between nerve ... #Sclerosis #neurology
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Superior gluteal nerve ... of knee due to laterally ... causes #symptoms #signs ... #diagnosis #msk
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
into the hand and wrist ... then I move from lateral ... important to look for signs ... radius and ulna is also ... proximal to the carpal