37 results
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
mechanical loading => Bone ... strain => Bone ... StressFractures #msk ... #orthopedics #pathophysiology ... #symptoms #signs
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
tenderness • Positive one-legged ... XR — scotty dog sign ... Spondylolisthesis #MSK ... #diagnosis #pathophysiology ... #signs #symptoms
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... "pooping duck sign ... "pooping duck sign ... Wrist #Carpal #Radiology ... #Sports #MSK
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
tear a portion of bone ... onto lateral hip Signs ... FemoralHead #Fractures #msk ... #signs #symptoms ... #orthopedics
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Malignant Bone Tumors ... • Metastatic bone ... lesions that look darker ... Signs/Symptoms: ... BoneTumors #Malignant #Radiology
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
between all carpal bones ... "Terry Thomas" sign ... ("Terry Thomas sign ... Scaphoid #Carpal #Radiology ... #Sports #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
and underlying bone ... joint capsule or bone ... Dislocation #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology
Diagram of different types of bone tumors that can occur around the knee on XRay -
different types of bone ... blade of grass sign ... ) • Enostosis/bone ... #Differential #Radiology ... #XRay #msk #lesions
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Prader-Willi Syndrome ... hypothalamus =>Prader-Willi ... Syndrome Signs ... Infertility • Decr Bone ... Syndrome #genetics #pathophysiology
Systemic Lupus Erythematosus (SLE): Musculoskeletal Manifestations

 • Immune Complex Deposition
    - Arthralgia, Arthritis
Weakness, Incr CK • Bone ... Erythematosus #SLE #MSK ... Complications #pathophysiology ... #signs #symptoms