51 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 ... #Comparison #Table ... #RadiologyAssistant
Positive Lachman's Test

The Lachman test is a clinical test used to diagnose injury of the anterior
Lachman test is a clinical ... test used to diagnose ... of the anterior cruciate ... The knee is flexed ... of the tibia in comparison
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On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
#Clinical #Diagnosis ... #Radiology #CTChest ... #Cystic #Comparison ... Histiocytosis #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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#Diagnosis #Radiology ... LowAttenuation #Differential ... #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Demonstration of the Lachman Test for assess for ACL Injury - Normal Exam

Demonstration by Dan Smith,
test used to diagnose ... of the anterior cruciate ... The knee is flexed ... of the tibia in comparison ... Normal #Video #Knee
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Diagram of different types of bone tumors that can occur around the knee on XRay -
occur around the knee ... blade of grass sign ... #Bone #Tumors #Diagnosis ... #Bony #Differential ... #Radiology #XRay
Wellens' Sign: LAD-T Wave Inversion 
Life threatening T wave inversions in precordial leads. Often V2-V3 
Specific
Wellens' Sign: LAD-T ... Specific for critical ... EKGS in pts are crucial ... Electrocardiogram #Diagnosis ... #Cardiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Clinical #Diagnosis ... #Radiology #Pulmonary ... NodularPattern #Differential ... #Comparison #Table ... #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
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
cardiogenic edema, to differentiate ... Look for other signs ... #Diagnosis #Radiology ... Consolidation #Differential ... #RadiologyAssistant