15 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
carpal bone. ... "pooping duck sign ... "pooping duck sign ... #Wrist #Carpal ... #Orthopedics #Sports
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... scapholunate interosseous ligament ... ("Terry Thomas sign ... #Radiology #XRay ... #Orthopedics #Sports
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
shearing injury -> Ligaments ... onto lateral hip Signs ... /Symptoms/Complications ... msk #diagnosis #pathophysiology ... #signs #symptoms
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
tenderness over ligament ... , ridging, oil spots ... PsoriaticArthritis #pathophysiology ... #diagnosis #signs ... #symptoms
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
muscle, tendon, ligaments ... on axillary x-ray ... Dislocation #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology
Ankylosing Spondylitis: Pathogenesis and Clinical findings
 • Pain in lumbar area and gluteal region: (Dull, insidious
progresses) - X-ray ... bamboo spine) -> Fracture ... AnkylosingSpondylitis #pathophysiology ... #diagnosis #signs ... #symptoms
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
activates lipolysis Signs ... /Symptoms: • GH ... deficiency: - Short ... expansion (e.g. carpal ... endocrinology #pathophysiology
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Prader-Willi Syndrome Signs ... /Symptoms/Complications ... Incr Skeletal fractures ... • Short stature ... Syndrome #genetics #pathophysiology
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
Hand X-Ray Anatomy ... In case of a fracture ... important to look for signs ... proximal to the carpal ... drdevrad #Hand #XRay
Xeropthalmia: Pathogenesis and Ocular Manifestations

Decr Visual pigment -> Keratinization, thickening & non-wetting of the conjunctiva
Decr Visual pigment ... conjunctiva) • Bitot's spots ... #Xeropthalmia #pathophysiology ... ophthalmology #diagnosis #signs ... #symptoms