25 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
bone. ... "pooping duck sign ... bone fracture ... #Diagnosis #Management ... #Orthopedics #Sports
Most Common Carpal Bone Fractures by Frequency
 • Scaphoid - 50-80%
 • Triquetral - 5-20%
 •
Most Common Carpal ... Bone Fractures ... Scaphoid - 50-80% • Triquetral ... radiology #msk #orthopedics ... #diagnosis
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
bones should be ... "Terry Thomas" sign ... bones should be ... #Radiology #XRay ... #Orthopedics #Sports
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
bone. ... bone fracture ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... trapezium, capitate, triquetrum ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
Incr IGF1 • Bone ... activates lipolysis Signs ... deficiency: - Short ... expansion (e.g. carpal ... endocrinology #pathophysiology
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
on axillary x-ray ... #Dislocation #Diagnosis ... #signs #symptoms ... #msk #orthopedics ... #pathophysiology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
posterior) and bone ... anterior sail sign ... can't make A-OK sign ... #Diagnosis #Management ... #Orthopedics #MSK
Total Anomalous Pulmonary Venous Return (TAPVR)
 • Introduction
 • Classification
 • Pathophysiology of TAPVR
 • Presentation
Classification • Pathophysiology ... PVO Present • Diagnosis ... • Chest XRay: ... Classic “snowman sign ... Outcomes by Cara
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
in subchondral bone ... Swelling notable on Xray ... boggy" joints, esp carpal ... RheumatoidArthritis #RA #pathophysiology ... #diagnosis