5 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... emphysema: no walls, central ... #CTChest #Cystic ... #Comparison #Table
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
macule and papule (Table ... living in endemic areas ... Those with centrally ... rashes but without signs ... #Diagnosis #Dermatology
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... can identify the central ... dot sign. ... #Clinical #Radiology ... #CXR #CTChest #
Common Dermatological Conditions - Distribution and Morphology
 • Acne vulgaris - Face, upper back, chest -
associated with signs ... Christmas tree pattern ... Erythematous papules with central ... ; pruritis #dermatology ... #rash #differential
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
scan: the mosaic pattern ... Signs of fibrosis ... included in the differential ... #Clinical #Radiology ... #CTChest #Chronic