10 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
of Langerhans cell ... histiocytosis. ... Cystic LCH: - LAM ... #CTChest #Cystic ... #Cysts #Differential
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Langerhans cell ... histiocytosis (LCH ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
perilymphatic distribution ... Langerhans cell ... histiocytosis: early ... #HRCT #CTChest ... #Comparison #Table
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
LIP, Langerhans cell ... histiocytosis) ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... #Diagram #Comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Langerhans cell ... histiocytosis: early ... before the typical cysts ... #Pulmonary #CTChest ... #Comparison #Table
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
or a cystic pattern ... with Langerhans cell ... histiocytosis ( ... #Clinical #Radiology ... #CXR #CTChest #
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
with Langerhans cell ... is a reticular patern ... stage Langerhans cell ... #Clinical #Radiology ... LCH #LangerhansCellHistiocytosis
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... The cystic pattern ... in Langerhans cell ... histiocytosis or ... #Diagnosis #Radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
or Langerhans cell ... histiocytosis. ... Clinical #Diagnosis #Radiology ... #CTChest #Cavity ... #Comparison #RadiologyAssistant
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