68 results
Ossification of Carpal Bones

It’s always tricky to remember the age of ossification of the carpal bones
of the carpal bones ... they get the job done ... capitate is the first bone ... -6-7 years for Triquetral ... Wrist #Diagnosis #Peds
Stress Fracture: Pathogenesis and clinical findings
Abnormal biomechanics, Repetitive impact activities
=> Repetitive subthreshold mechanical loading
=> Bone strain
=>
mechanical loading => Bone ... strain => Bone ... #orthopedics #pathophysiology ... #symptoms #signs
Osteoporosis: Pathogenesis and risk factors

 • Age > 30 (post-peak bone mass)
 • Post-menopausal women ->
30 (post-peak bone ... Decr estrogen • Bone ... #Osteoporosis #pathophysiology ... #signs #symptoms
Hyperparathyroidism - Primary vs Secondary vs Tertiary 
Lab Comparison:
 • Primary Hyperparathyroidism: ↑→PTH, ↑Calcium, ↑Vitamin D,
Phosphate Physical Symptoms ... signs, Fragile bones ... easily/weakness, Bone ... pain Psychiatric Symptoms ... Secondary #Tertiary #pathophysiology
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
in subchondral bone ... architecture -> Palpable bony ... contact between bony ... Osteoarthritis #OA #pathophysiology ... diagnosis #signs #symptoms
Tone - Popliteal Angle on Physical Exam
The popliteal angle is an assessment of the tone of
Tone - Popliteal ... assessment of the tone ... It is done one leg ... #Newborn #PhysicalExam ... clinical #video #peds
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Syndrome Signs/Symptoms ... Infertility • Decr Bone ... Syndrome #genetics #pathophysiology ... #peds #pediatrics
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
3: Necrosis of bone ... mass over mastoid bone ... of the temporal bone ... inner cortical bone ... #signs #symptoms
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Clinical Signs/Symptoms ... back pain - Symptoms ... decreased reflexes Pathophysiology ... of bacilli to bone ... CXR should be done
Osteosarcoma 
Most common primary malignant bone tumor in children 
Most Common Sites of Involvement:
1. Distal femur
primary malignant bone ... injury • Systemic symptoms ... Features #Oncology #Peds