41 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... women in the child-bearing ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... woman of child-bearing ... bizarre shaped cysts ... #Clinical #Radiology ... #Pattern #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
(LAM): regular cysts ... woman of child-bearing ... #Clinical #Radiology ... LowAttenuation #Cystic ... #Pattern #Comparison
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
CT • Distinct pulmonary ... vessel leading ... Sign #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung cysts ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cystic #Comparison
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... pattern can be readily ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Iron Deficiency in Congestive Heart Failure (CHF)

Iron deficiency (ID) in heart failure is a common comorbidity
Heart Failure (CHF ... 50% of patients, leading ... Exercise capacity Diagnosis ... #pharmacology # ... pathophysiology #cardiology
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
There is a lung cyst ... is a possible diagnosis ... small airways leading ... to pulmonary cyst ... #Clinical #Radiology
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
Brain Sequence Comparison ... vs FLAIR T1: - CSF ... FLAIR #MRI #Brain #Comparison ... #clinical #radiology ... #diagnosis #neurology
Shock and Vasoactive Drugs 
1) Determine type and etiology of shock
 • Distributive: Sepsis, Anaphylaxis, Neurogenic
Arrhythmias / CHB ... Pericardial tamponade, Pulmonary ... vasoactive drug pharmacology ... #inopressors #diagnosis ... #management #comparison