Pleural-Based Intrathoracic Cystic Lymphangioma in an Infant Mimicking a Pneumonia

Figure 6

Immunohistochemical findings. (a) The cells lining the inner surface of the cystic lesion are positive for D2-40 staining, expressed in lymphatic endothelium (original magnification ×12.5). (b) The cells lining the outer surface of the cystic lesion are positive for calretinin staining, expressed in mesothelial cells (original magnification ×12.5).

(a)

(b)