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Mirizzi Syndrome: Experience in Diagnosis and Treatment of 25 Cases

The objective of this study is to summarize the experience in diagnosis and treatment of Mirizzi syndrome (MS) and reduce the incidence of operative complications. Twenty-five cases of Mirizzi syndrome from January 2005 to January 2010 were retrospectively analyzed. There were 11 male patients and 14 female patients, ranging in ages from 26 to 80 years with a median age of 51.3. Preoperative radiological diagnosis was achieved in 10 patients: ultrasonography (n = 5) and magnetic resonance cholangiopancreatography (n = 10). The others were diagnosed intra-operatively. Fifteen patients had Type I MS. Two were treated with laparoscopic cholecystectomy successfully. The laparoscopic procedure had to be converted to open procedure in one patient. Seven patients had open complete cholecystectomy, three had subtotal cholecystectomy, and two had removal of stones from the gall bladder and choledochostomy after cholecystotomy was performed, with secondary cholecystectomy 3 months later. Six patients had Type II MS. Five underwent cholecystectomy, common bile duct (CBD) repair, and T-tube insertion. One was managed with transection of CBD and Roux-en-Y hepaticojejunostomy. Two patients with Type III MS underwent cholecystectomy, CBD repair, and T-tube insertion. Cholecystectomy and Roux-en-Y hepaticojejunostomy was performed in the two patients with Type IV MS. All the patients recovered from the operation. The follow-up period ranged from 5 years to 5 months. One patient developed obstructive jaundice more than 2 years after the operation, and recovered after the secondary operation. The follow-up of others were uneventful. Preoperative diagnosis of MS is very difficult. Magnetic resonance cholangiopancreatography is very helpful in preoperative diagnosis, and a high index of clinical suspicion is required to make a preoperative or intra-operative diagnosis, which can lead to correct operative strategy to manage Mirizzi syndrome.