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 Indian J Med Microbiol  
 

Figure 12: (A,B): Tuberculous dactylitis in a child: Plain radiograph of the left third finger (A) shows an osteolytic lesion within the middle phalanx of the left third finger. There is fusiform expansion of the bone and the cortex is thickened. Note associated soft tissue swelling. This radiographic appearance is also known as ‘spina ventosa.’ Microphotograph of the histological specimen (B) obtained after synovial biopsy of the adjacent joint shows a caseating epitheloid granuloma (thick black arrows) with central caseating necrosis (thick yellow arrows)

Figure 12: (A,B): Tuberculous dactylitis in a child: Plain radiograph of the left third finger (A) shows an osteolytic lesion within the middle phalanx of the left third finger. There is fusiform expansion of the bone and the cortex is thickened. Note associated soft tissue swelling. This radiographic appearance is also known as ‘spina ventosa.’ Microphotograph of the histological specimen (B) obtained after synovial biopsy of the adjacent joint shows a caseating epitheloid granuloma (thick black arrows) with central caseating necrosis (thick yellow arrows)