34 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Comparison #Table ... #RadiologyAssistant
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
Case description ... • MRI: Posterolateral ... hallucis longus Differential ... OsTrigonum #Syndrome #clinical ... #mri #clinical
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
shows a silhouette sign ... to a pneumonia caused ... #Clinical #Radiology ... SilhouetteSign #RadiologyAssistant
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Differential/diagnosis ... RV, McConnell's sign ... Echocardiogram #A4c #clinical ... #cardiology #McConnells ... #sign #ClotInTransit
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
The most common cause ... from the various causes ... Look for other signs ... #Diagnosis #Radiology ... #RadiologyAssistant
Congenital absence of the pericardium: 
- CXR: leftward shift of the cardiac silhouette, Snoopy sign, no
silhouette, Snoopy sign ... deviation - CMR: left posterolateral ... pericardium #CardiacMRI #CMRI ... #cardiology #chest ... #radiology #clinical
Right Ventricular Non-compaction on Ventriculogram

RV angio with NIH Catheter. Prominent recesses give the appearance called Pile
Pile d’assiettes sign ... The finding in MRI ... called accordion sign ... Ventriculogram #clinical ... #cardiology #angiogram
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
dilatation (signet-ring sign ... A signet-ring sign ... The most common cause ... Bronchiectasis #Differential ... #RadiologyAssistant
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Case description ... mass and NO prior signs ... or clinical history ... Differential diagnosis ... #clinical #Radiology
Humeral Avulsion of the Inferior Glenohumeral Ligament (HAGL)
 • Imaging Findings:
 • Large defect of the
HAGL) can be a cause ... Differential diagnosis ... GAGL): "Reverse J sign ... #mri #clinical ... #Radiology #diagnosis