BCG induced mycobacterial spindle cell pseudotumor in an infant.

Mycobacterial Spindle cell Pseudotumor (MSP) is a rare complication of mycobacterial infection, especially the atypical variety. It is characterized by an exuberant spindle cell proliferation. This has been reported in the lymph nodes, skin, spleen, lungs, brain, etc. The incidence is higher in immuno-compromised patients, especially those with acquired immunodeficiency syndrome. It is rare to encounter this lesion in infants. We report a case of MSP in the axillary lymph node of a 7-month-old infant, following Bacillus Calmette Guerin (BCG) vaccination due to Mycobacterium tuberculosis complex, which was proved by PCR.