36 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
bone. ... "pooping duck sign ... bone fracture ... Complications are ... "pooping duck sign
Ossification of Carpal Bones

It’s always tricky to remember the age of ossification of the carpal bones
to remember the age ... interpreting a Pediatric ... refresher on the age ... -6-7 years for Triquetral ... Diagnosis #Peds #Pediatrics
Age of Ossification of Carpal Bones
Capitate - 1 Month
Hamate - 2 Months
Triquetral - 3 Years
Lunate -
Age of Ossification ... of Carpal Bones ... Hamate - 2 Months Triquetral ... #Carpal #Bones ... diagnosis #msk #pediatrics
Osteoporosis: Pathogenesis and risk factors

 • Age > 30 (post-peak bone mass)
 • Post-menopausal women ->
factors • Age ... 30 (post-peak bone ... Decr estrogen • Bone ... #Osteoporosis #pathophysiology ... #signs #symptoms
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
different types of bone ... the knee on XRay Age ... Non-ossifying fibroma Age ... blade of grass sign ... Radiology #XRay #MSK #pediatrics
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
Incr IGF1 • Bone ... activates lipolysis Signs ... expansion (e.g. carpal ... endocrinology #pathophysiology
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
in subchondral bone ... boggy" joints, esp carpal ... and subcondral bone ... RheumatoidArthritis #RA #pathophysiology ... #signs #symptoms
Prader-Willi Syndrome: Pathogenesis and clinical findings
 • Maternal uniparental disomy: inheriting 2 copies of maternal chromosome
Prader-Willi Syndrome Signs ... Infertility • Decr Bone ... Syndrome #genetics #pathophysiology ... #peds #pediatrics
Asymmetrical Tonic Neck Reflex (ATNR)

This primitive reflex found in newborn babies that normally vanishes around 4
reflex found in newborn ... around 4 months of age ... face is turned to one ... Neurology #Peds #Pediatrics
Total Anomalous Pulmonary Venous Return (TAPVR)
 • Introduction
 • Classification
 • Pathophysiology of TAPVR
 • Presentation
Classification • Pathophysiology ... Classic “snowman sign ... Outcomes by Cara ... cardiology #peds #pediatrics