10 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
of Langerhans cell ... Cystic LCH: - LAM ... : round cysts, evenly ... #CTChest #Cystic ... #Cysts #Differential
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell ... multiple thick walled cysts ... (LAM): regular cysts ... #Clinical #Radiology ... #Pattern #Comparison
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Lung cysts (LAM ... LIP, Langerhans cell ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... TractionBronchiectasis #Cysts
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
them from cysts ... or Langerhans cell ... #Clinical #Diagnosis ... #Radiology #CTChest ... Emphysema #Comparison
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
with Langerhans cell ... caused by multiple cysts ... #Clinical #Radiology ... #CXR #CTChest # ... LCH #LangerhansCellHistiocytosis
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Langerhans cell ... before the typical cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Langerhans cell ... before the typical cysts ... #CTChest #Nodular ... #Differential # ... Comparison #Table
Differential diagnosis of Lymphangiomyomatosis:
Langerhans cell histiocytosis: > 90% are smokers, cysts have irregular shapes and the
Differential diagnosis ... Lymphangiomyomatosis: Langerhans cell ... 90% are smokers, cysts ... Centrilobular emphysema ... #Clinical #Radiology
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
papules, pustules, cysts ... scale • Basal cell ... • Squamous cell ... Christmas tree pattern ... dermatology #rash #differential