This approach is especially useful for complicated or recurring pilonidal disease, leaves little scar tissue and flattens the region between the buttocks, reducing the risk of recurrence. This approach typically results in a more rapid recovery than the traditional surgery, however there are fewer surgeons trained in the cleft lift procedure and it consequently may not be as accessible to patients, depending on their location. Meta-analysis shows recurrence rates were lower in open healing than with primary closure (RR 0.60, 95% CI 0.42 to 0.87), at the expense of healing time. Pilonidal cysts can recur, and do so more frequently if the surgical wound is sutured in the midline, as opposed to away from the midline, which obliterates the natal cleft and removes the focus of shearing stress. An incision lateral to the intergluteal cleft is therefore preferred, especially given the poor healing of midline incisions in this region. Minimally invasive techniques with no wound and rapid return to full activities have been reported but await double blind randomised trials.Another technique is to treat pilonidal sinus with fibrin glue. This technique is of unclear benefit as of 2017 due to insufficient research. The evidence for any treatment is of low quality, and care must be taken not to over interpret any study in this field.In some cases wounds are left open after surgery to heal naturally instead of being closed with stiches. There are a lot of different dressings and topical agents (creams or lotions) that are available for helping these open wounds to heal.
Interdigitating dendritic cell sarcoma is a form of malignant histiocytosis affecting dendritic cells. It can present in the spleen. It can also present in the duodenum. References


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