98 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
bone. ... "pooping duck sign ... bone fracture ... "pooping duck sign ... #Diagnosis #Management
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Terry thomas sign ... Triquetral fracture ... Kienboch disease ... #Fractures #XRay ... #differential #diagnosis
Osteoporosis: Pathogenesis and risk factors

 • Age > 30 (post-peak bone mass)
 • Post-menopausal women ->
: Pathogenesis and ... 30 (post-peak bone ... #Osteoporosis #pathophysiology ... #signs #symptoms ... #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 ... onto outstretched hand ... #Radiology #XRay
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
: Pathogenesis and ... strain => Bone ... StressFractures #msk #orthopedics ... #pathophysiology ... #symptoms #signs
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
bone. ... bone fracture ... onto outstretched hand ... #Radiology #XRay ... #Diagnosis #Management
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Lung. thvroid. and ... Signs/Symptoms: ... and tumor (Ill-defined ... Malignant #Radiology #Diagnosis ... #XRay #Bony
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
Diagram of different types of bone tumors that can occur around the knee on XRay -
around the knee on XRay ... sequestrum, cloaca, and ... blade of grass sign ... #Tumors #Diagnosis ... #Radiology #XRay
Gaucher Disease 

Pathophsiology
 • Lysosomal storage disorder
 • Deficiency of ß-glucocerebrosidase
• Accumulation of glucosylceramide in macrophages
Diagnosis
Pathophsiology ... involvement (type 2 and ... Osteonecrosis, bone ... #Diagnosis #Signs ... #Symptoms