[Bony tuberculosis of the thumb revealed by a trauma]

Tuberculous dactylis is uncommun which is difficult to differentiate from tumorous and metabolic affections. The histological studie constitutes a reliable and easy element to achieve for the positive diagnosis especially as the biologic studie can be negative. We report the case of a 43 year old woman who consulted for a post traumatic painful inch of the right hand. The x-ray of the hand visualized a fracture of the first phalanx of the inch with a lyse bony. Pathology examination of a biopsy specimen reveled granulomatous with caseous necrosis specific of tuberculous. The clinical signs and radiographs resolved after anti tuberculosis treatment for 12 months