[Facial granuloma caused by cactus bristles]. / Granulomas faciales por espinas de cactus.

We report a 39 year old female, who 6 years later of accidental injury with cactus bristles, developed granulomatous lesions in her face with an ulcerative tendency. Histopathologic picture showed granulomatous infiltrates filling the full-thickness of the dermis, with abundant number of multinuclead giant cells foreign-body-type and Langhans-type and mixed inflamatory infiltrate. In the dermo-hipodermal limit, several foreing bodies were found with a thorny or barb shape, some of them into the giant cells, with were PAS positive and showed a brilliant refractile aspect under polaroscopic examination.