CXR 胸部x光判讀 Langerhans Cell Histiocytosis

Histiocyte: S-100 (+), CD1A (+)

LCH: typical upper lung predominant，multiple nodules
LAM: Diffuse distribution，absent lung nodule.

References：
Multiple Cystlike Lung Lesions in the Adult
http://www.ajronline.org/cgi/content/full/194/1/W1