21 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... "pooping duck sign ... common carpal bone ... "pooping duck sign ... Carpal #Radiology #XRay
Ossification of Carpal Bones

It’s always tricky to remember the age of ossification of the carpal bones
Ossification of ... remember the age of ossification ... and sequence of ossification ... -6-7 years for Triquetral ... drdevradiology #Ossification
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 ... of the carpal bones ... #Age #Carpal #Bones
Common Hand Fractures on X-Ray
Mallet finger - injury to the lateral extensor slips
Boutonniere deformity - injury
Fractures on X-Ray ... Terry thomas sign ... Triquetral fracture ... Hand #Fractures #XRay
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
posterior) and bone ... anterior sail sign ... fracture' • Ossification ... can't make A-OK sign ... Humerus #Radiology #XRay
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
Malignant Bone Tumors ... Pathogenesis of X-ray ... tumors on X-ray ... Signs/Symptoms: ... Radiology #Diagnosis #XRay
Feedback Loop: Growth Hormone (GH)
Growth Hormone:
 • Liver -> GHR activates JAK-STAT pathway -> Incr IGF1
Incr IGF1 • Bone ... chondrocytes -> Incr ossification ... activates lipolysis Signs
Diagram of different types of bone tumors that can occur around the knee on XRay -
different types of bone ... around the knee on XRay ... blade of grass sign ... ) • Enostosis/bone ... Differential #Radiology #XRay
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
Hand X-Ray Anatomy ... Bones - All the ... bones of the hand ... important to look for signs ... drdevrad #Hand #XRay
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
different types of bone ... around the knee on XRay ... • Aneurysmal bone ... blade of grass sign ... Diagnosis #Radiology #XRay