Histology
MICROSCOPIC DESCRIPTION:
The sections show necrotising granulomatous inflammation with scattered nodular aggregates of epithelioid histiocytes and multinucleated giant cells. Necrosis is seen. The granulomas are surrounded by abundant lymphocytes. No tumour is identified. The Grocott stain shows no fungi. The Ziehl-Neelsen stain shows 2 acid fast bacilli.
DIAGNOSIS:
Spinal lesion: Necrotising granulomatous inflammation with acid fast bacilli, in keeping with mycobacterial infection.
Microbiology
- ANTIGEN TESTING (ON ISOLATE) MPT64
- Antigen Identification Test: M.tuberculosis Complex DETECTED
- MYCOBACTERIUM CULTURE SCREEN
- MGIT bottle <13 days POSITIVE
- MYCOBACTERIAL CULTURE
- Acid Fast Bacilli ISOLATED