31 results
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
tenderness • Positive ... Stork test) • XR ... — scotty dog sign ... vertebrae • CT ... pathophysiology #signs
There are about a dozen x-ray findings, but two of them are especially important: Loss of
and the calcium sign ... is considered a positive ... calcium sign and ... Clinical #Diagnosis #Radiology ... #CXR #ChestXRay
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... Discharge with orthopedic ... Wrist #Carpal #Radiology ... #Orthopedics #Sports
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Congenital absence of the pericardium: 
- CXR: leftward shift of the cardiac silhouette, Snoopy sign, no
silhouette, Snoopy sign ... in a posterior position ... pericardium #clinical #cardiology ... #chestxray #cxr ... #radiology
Hamate Fracture on Wrist X-Ray

- point tenderness over the hamate should raise suspicion for a fracture,
are negative a CT ... prompt outpatient orthopedics ... with associated signs ... Fracture #WristXRay #Radiology ... #MSK #Orthopedics
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... follow-up with orthopedics ... Scaphoid #Carpal #Radiology ... #Orthopedics #Sports
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
Diagnosis and Management ... cases Clinical Signs ... years - May have signs ... tissue damage - CXR ... involvement - CT
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... can't make A-OK sign ... II-IV, pending orthopedic ... Elbow #Humerus #Radiology ... #Orthopedics #MSK
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
More Specific Signs ... Less Specific Signs ... Chest x-ray: signs ... acute HF → no signs ... of CXR congestion