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 ... Clinical #Diagnosis #Radiology ... #Comparison #Table ... #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
adenopathy and pleural effusion ... #Clinical #Radiology ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Pericardial effusion with signs of tamponade on POCUS Echocardiogram (S4c)
RA collapse= earliest sign. RV collapse =
Pericardial effusion ... on POCUS Echocardiogram ... #Pericardial #effusion ... POCUS #clinical #echocardiogram ... #cardiology #s4c
Checklist for the Echocardiographic Evaluation of Pulmonary Hypertension
 • Record estimated PASP
 • Evaluate RV size
• Evaluate for signs ... for pericardial effusion ... shunt lesions) • Differentiate ... Echocardiography #diagnosis #cardiology ... #echocardiogram
Pulmonary Embolism on POCUS Echocardiogram

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Embolism on POCUS Echocardiogram ... Differential/diagnosis ... RV, McConnell's sign ... A4c #clinical #cardiology ... #McConnells #sign
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
#Diagnosis #Radiology ... LowAttenuation #Differential ... #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Hilar and mediastinal lymphadenopathy
In sarcoidosis the common pattern is right paratracheal and bilateral hilar adenopathy ('1-2-3-sign').
In
adenopathy ('1-2-3-sign ... #Diagnosis #Radiology ... Lymphadenopathy #Differential ... #RadiologyAssistant
Constrictive Pericarditis on Echocardiogram
A 55-year-old female marathon runner presents to clinic w/ 6-months of worsening breathlessness
Pericarditis on Echocardiogram ... ASA, Kussmaul's sign ... transthoracic echocardiogram ... circumferential pericardial effusion ... pocus #clinical #cardiology
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
Pleural effusion ... A subpulmonic effusion ... a patient with signs ... #Clinical #Radiology ... SubpulmonicEffusion #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Clinical #Diagnosis #Radiology ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant