7 results
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell ... histiocytosis (LCH ... #Clinical #Radiology ... #HRCT #CTChest ... #Cystic #Pattern
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
LCH: multiple round ... #Clinical #Radiology ... #HRCT #CTChest ... #LowAttenuation ... #Cystic #Pattern
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
of Langerhans cell ... Cystic LCH: - LAM ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
LIP, Langerhans cell ... #Pulmonary #CTChest ... #LowAttenuation ... #Differential # ... Diagram #Comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Langerhans cell ... #Clinical #Diagnosis ... #CTChest #Nodular ... #Differential # ... Comparison #Table
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
with Langerhans cell ... is a reticular patern ... #Clinical #Radiology ... #CXR #CTChest # ... LCH #LangerhansCellHistiocytosis
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
papules, pustules, cysts ... • Squamous cell ... Christmas tree pattern ... ; pruritis #dermatology ... #rash #differential