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Pilonidal sinus disease is a common problem of sacrococcygeal region. However, it is also observed in the periumbilical area. There are only a few reports about umbilical pilonidal sinus in the literature. In this study, 26 patients (24 men (92 %), 2 women (8 %) with a mean age of 22 years) with umbilical pilonidal sinus disease were included. Predisposing factors, patient characteristics, treatment modalities, and their results have been studied. Male sex, young age, hairiness, deep navel, and poor personal hygiene were found to be predisposing factors. Twenty-five patients were treated conservatively. However, two patients failed to respond to conservative treatment. Those patients underwent surgery where umbilectomy was carried out without reconstruction. One patient was also operated on for the preoperative misdiagnosis of irreducible umbilical hernia. Patients were followed for 14-96 months. We recommend conservative treatment in patients with umbilical pilonidal sinus. Surgery should be performed in recurrent cases resistant to conservative treatment. The importance of differential diagnosis of umbilical pilonidal sinus from other umbilical pathologies is also emphasized.

IntroductionSpontaneous biloma formation is a very rare condition, which mandates immediate treatment.Case presentationAn 80-year-old Caucasian man was referred to our department with a diagnosis of intra-abdominal collection located in his right upper quadrant. Further radiological examination demonstrated multiple calculi in his gallbladder and common bile duct. Our patient underwent endoscopic retrograde cholangiopancreatography and the stones in the common bile duct were extracted. Percutaneous drainage of the abdominal collection revealed a spontaneous biloma formation. Continuous drainage of bile persisted for one week, so endoscopic retrograde cholangiopancreatography was repeated and a 10Fr stent was placed; subsequently the biliary leak ceased and our patient was discharged. A control abdominal computed tomography did not show any residual fluid collection.ConclusionSpontaneous biloma formation is a very rare incidence; awareness is necessary for prompt recognition and treatment.

Biliary stones are the leading cause of acute pancreatitis. Although cholecystectomy and selective endoscopic retrograde cholangiography (ERC) comprise the current treatment in patients with acute biliary pancreatitis (ABP), the time of intervention is still controversial. In this study we evaluated the outcomes of cholecystectomy on first admission for ABP and in patients with recurrent biliary pancreatitis. A series of 43 patients with ABP between January 1997 and November 2000 were evaluated retrospectively. Patients were classified into two groups. Group I included 27 patients who underwent cholecystectomy on first admission before discharge from the hospital. Group II comprised 16 patients who had recurrent biliary pancreatitis and then underwent cholecystectomy. The severity of the pancreatitis was determined by Ranson's criteria. Age, gender, length of hospital stay, severity of pancreatitis, amylase level, and complications of cholecystectomy were evaluated in both groups. Patients in group I underwent cholecystectomy during the original hospital admission and patients in group II during an admission for a recurrence. There were 24 patients with a Ranson's score