Surgical therapy to drain or marsupialize infected foci is also usually temporarily successful, but there remains a marked predilection for recurrence of the disease at the same or adjacent sites. The most successful long-term therapy is wide surgical excision of all the regional skin tissue at risk for development of the disease with accompanying find more reconstructive measures. The clinical characteristics of HS as an infectious disease are all highly suggestive of other bacterial biofilm-based disorders (although HS has never been recognized as such): a chronic course punctuated by
acute exacerbations, localized to specific anatomic regions, and temporarily responsive, but ultimately refractory to conventional antibiotic therapy. We hypothesized that HS bacteria exist in biofilm configuration, which would explain the clinical features of HS and have implications for the development
of adequate therapies. We examined surgical specimens from a patient with HS to seek evidence of biofilms. A 47-year-old woman presented with complaints of painful, draining lesions in her buttocks. She had been diagnosed 20 years previously with HS of the buttocks and at that time underwent radical excision with healing of the wounds by secondary intention. She did well until some 2 years prior to presentation, when she noted recurrent lesions in her buttocks that ultimately enlarged and also progressed into her perineum and groin. The patient in those 2 years tried multiple therapies, including multiple oral
antibiotics (which offered some temporary symptomatic relief), Accutane (which made click here her condition worse) and the tumor necrosis factor inhibitor Enbrel (which had no effect). On physical examination, she was found to have widely involved areas of buttocks skin bilaterally, with a scirrhous and indurated character and with multiple areas of thin turbid drainage (see Fig. 1a). She was taken to surgery for wide local excision and reconstruction of the resulting defects with advancement flaps elevated from neighboring uninvolved tissue. At surgery, she was found to have PD184352 (CI-1040) multiple areas of both loculated and interconnected abscesses and sinus tracks. Opening the cryptic lumina of these tracks and abscesses revealed a pink, slimy mucinous appearance (Fig. 1b). Standard histologic examination of these lesions revealed fibroadipose tissue with extensive acute and chronic inflammation, granulation tissue and giant cell reaction. In multiple specimens, scattered microorganisms were observed in association with the tissue. We also examined multiple specimens by confocal microscopy after Live/Dead staining to determine whether biofilm bacteria could be demonstrated. Postoperatively, the patient had a mild wound dehiscence on the right side, but ultimately healed completely. At two and one-half years postoperatively, she is free of disease in the buttocks, and interestingly, even the perineal and groin lesions have quieted significantly.
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