20 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... LIP #Clinical #Diagnosis ... #Radiology #CTChest ... Comparison #Table #RadiologyAssistant
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 ... #Clinical #Radiology ... #CXR #CTChest # ... SepticEmboli #Cavity #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Clinical #Diagnosis ... #Radiology #Pulmonary ... #CTChest #Nodular ... NodularPattern #Differential ... Comparison #Table #RadiologyAssistant
Cannon A Waves in AVNRT on Neck Physical Exam

69 year old female patient comes with a
Exam 69 year old ... s the clinical sign ... shown , what’s the diagnosis ... #AVNRT #Neck #PhysicalExam ... #JVP #Cardiology
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
on the left in order ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Kussmaul's sign in Constrictive Pericarditis 

A 50-year-old woman with a remote history of mediastinal lymphoma (age
A 50-year-old ... blue marks on her chest ... the underlying diagnosis ... #PhysicalExam # ... Pericarditis #Cardiology
Silhouette Sign on Chest X-Ray
Loss of the margin between two opposing structures of the same radiographic
Silhouette Sign ... on Chest X-Ray Loss ... hemidiaphragm • LUL – aortic ... ChestXRay #CXR #diagnosis ... #radiology #localization
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
and Headache - Differential ... Diagnosis Framework ... hypothalamus, and visual cortex ... photophobia - Mild ... meningeal irritation signs
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... Subacute stage: - RB-ILD ... #Clinical #Diagnosis ... #Radiology #CTChest ... #RadiologyAssistant
Approach to ECGs - Ischemia
MI = Biomarkers + ECG or echo/angiogram findings
Pathologic Q - 1/3 height
wide, can be new/old ... : Acute STEMI, Aortic ... Equivalents / Don't Miss Signs ... Ischemia #ECG #EKG #diagnosis ... Interpretation #differential