Microscopic Description -- Anterior Mediastinal Mass


MICROSCOPIC DESCRIPTION

Histologic examination of the mass demonstrated a small area of atrophic thymus and a large encapsulated mass with surface granulation tissue and focal organizing hemorrhage. The mass showed dense fibrous bands and more diffuse fibrosis. The mass appeared to be completely excised. Histologically, the mass showed areas composed of spindle cells, areas populated by varying numbers of lymphocytes with rounder epithelial cells, areas showing various-sized cysts (Image A and B), and focal areas with numerous mitoses.

FLOW CYTOMETRY

FINAL DIAGNOSIS


Case 

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