13 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... 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
Lymphangiomyomatosis (LAM ... ): uniform cysts ... woman of child-bearing ... #Clinical #Radiology ... #Pattern #Comparison
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 ... #LAM #LIP #Histiocytosis
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Lymphangiomyomatosis (LAM ... ): regular cysts ... woman of child-bearing ... #Clinical #Radiology ... #Pattern #Comparison
Degenerated Left Atrial Myxoma on Echocardiogram (PLAX)
A 68-year-old gentleman with progressive shortness of breath and cystic
Myxoma on Echocardiogram ... of breath and cystic ... Final diagnosis ... was degenerated LA ... #clinical #cardiology
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The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... (LAM, LIP, Langerhans ... pattern can be readily ... #Diagnosis #Radiology ... Differential #Diagram #Comparison
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
Differentiating PAH from PVH - Echocardiography
Pulmonary Artery Hypertension (PAH):
 • RV size - Enlarged
 • LA
- Enlarged • LA ... Differentiating #PAH #PVH #Echocardiogram ... #comparison #diagnosis ... #cardiology #pulmonary ... #arterial #venous
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
the differential diagnosis ... fluid or solid material ... #Clinical #Diagnosis ... #Radiology #CTChest ... Emphysema #Comparison
There is a hydropneumothorax.
Notice the air-fluid level.
The upper lobe is still attached to the chest wall
There is a lung cyst ... is a possible diagnosis ... small airways leading ... to pulmonary cyst ... #Clinical #Radiology