Extent of surgery and recurrence rate of hidradenitis suppurativa
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Hidradenitis suppurativa (HS) is a chronic fistula- and abscess-forming disease of the cutis and subcutis of unknown etiology. Disease recurrence is frequent and may cause severe complications. We analyzed patients with HS who underwent surgery between 1976 and 1997. The operative procedures were divided into drainage procedures (n=6), limited regional (n=14), and radical wide excisions (n=11). The extent of surgery was examined in terms of the clinical course and late postoperative sequelae of HS. At a mean follow-up of 72 months, we found developed locoregional recurrent HS in 45% of patients. There was 100% recurrence after drainage, 42.8% after limited, and 27% after radical excision (P<0.05). HS recurred after a median interval of 3 months for drainage, 11 months for limited excision, and 20 months for radical excision (P<0.05). The disease-free interval continued up to 35 months. Long-term sequelae included penile amputation and a case of fatal squamous cell carcinoma. Although radical wide excision of the HS-affected cutis is associated with the lowest recurrence rate, it is still considerable and warrants long-term follow-up.
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