Microscopic Description -- Fever and a Hilar Pulmonary Mass


MICROSCOPIC FINDINGS:

Histological sections of lymph nodes revealed abnormal nodal architecture with focal areas of necrosis (Image 03). Other foci demonstrated multiple granulomata, some of which displayed central caseous-type necrosis. (Image 04, 05, 06, and 07). No carcinoma was seen. Histochemical stains (Acid-fast, Grocott, and Gram) for mycobacteria, fungi and bacteria were negative. Flow cytometry was performed and revealed a polyclonal population of lymphoid cells consistent with a benign or reactive lesion of the lymph node. The preliminary diagnosis of "lymph nodes with necrotizing granulomatous inflammation and eosinophilia" was given.

MICROBIOLOGY

BIOCHEMICAL TESTING

ANTIBIOTIC SUSCEPTIBILITY TESTING

FINAL DIAGNOSIS


Case 

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