33 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... #Diagnosis #Radiology ... #CTChest #Cystic ... #Comparison #Table
Chilaiditi Sign on Chest X-Ray
Anterior interposition of the colon between the hemidiaphragm and the liver.
Chilaiditi sign
Chilaiditi Sign ... Chilaiditi sign ... #Chilaiditi #Sign ... #Chest #XRay #CXR ... #clinical #radiology
Pertinent Chest x-ray Findings in the Trauma Patient and Implications
Respiratory distress without x-ray findings - Central
asphyxia Any rib fracture ... vessel injury Fracture ... abdominal viscus #cxr ... chestxray #trauma #diagnosis ... #signs #radiology
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Sister had MI in ... Differential/diagnosis ... RV, McConnell's sign ... Echocardiogram #A4c #clinical ... #sign #ClotInTransit
Pneumoperitoneum vs Pseudo-Pneumoperitoneum aka Chilaiditi Sign
It mimics pneumoperitoneum and it is thus important to diagnose it
aka Chilaiditi Sign ... thus important to diagnose ... PseudoPneumoperitoneum #Chilaiditi #Sign ... #clinical #radiology ... #cxr #xray #chest
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... 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
pericardium: - CXR ... silhouette, Snoopy sign ... pericardium #CardiacMRI #CMRI ... #cardiology #chest ... #radiology #clinical
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... high index of clinical ... heart valves • MRI ... often seen • MRI ... #table
Inflammatory Myopathies
Dermatomyositis
 • Onset: Subacute
 • Pattern: Proximal
 • CK: Up to 50X ULN
 • Autoantibodies:
Anti-MDA5, anti-Mi ... heliotrope, shawl sign ... : Diagnosis of exclusion ... Inflammatory #Myopathies #differential ... #rheumatology #table
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... anterior wall MI ... #Wellens #Sign # ... Electrocardiogram #Diagnosis ... #Cardiology