The smears show an elevated number of lymphocytes (well above the normal 1-5%), a common finding in tuberculosis or sarcoidosis, and some Langhans histiocytes and monocytes. The Ziehl-Neelsen stained smears were positive for Mycobacteriae, and the culture confirmed the presence of Mycobacterium tuberculosis.
Chest X-Ray of the Case
See also Case B
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