Tracheal Adenoid Cystic Carcinoma Presented with Chronic Asthma Diagnosed by Bronchial Washing Cytology

Figure 3

Endobronchial biopsy. (a) Bronchial mucosa contains infiltrative neoplastic lesions with tubular and cribriform patterns (H&E stain, ×100). (b) Tubular and cribriform structures of the neoplasm (H&E stain, ×400).

(a)

(b)