Relapse of Non-Hodgkin’s Lymphoma Involving the Trachea: Acute Subglottic Obstruction
Figure 3
(a) Histopathological image of the biopsied tracheal mass shows an infiltrate of monotonous population of large cells with vesicular nuclei and prominent central nucleoli. Numerous highly anaplastic cells are also seen (H&E, ×40). (b) On immunoperoxidase staining, cells show positive staining for CD 20 confirming malignant B lymphocytes (CD 20, ×40).
