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Fig. 2 | BMC Pulmonary Medicine

Fig. 2

From: Birt–Hogg–Dubé syndrome: a literature review and case study of a Chinese woman presenting a novel FLCN mutation

Fig. 2

Histopathological features of the resected lung specimens from the patient 6 years ago. Cysts are indicated by stars. a These cysts are incorporated with interstitial stroma of the interlobular septum or pleura (hematoxylin–eosin–safranin staining). Cysts lined by b CK7+ and c TTF-1+ pneumocytes. d D2-40 is negative in the lining (thin arrows) but positive in lymphatics (thick arrow)

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BMC Pulmonary Medicine

ISSN: 1471-2466

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