Mucinous cystic tumors (MCTP) are uncommon borderline lesions of the pancreas that may often be misdiagnosed as pseudocysts and have unknown propensity to malignity. During the last two decades in our clinic of 38 patients with cystic lesions of the pancreas two presented MCTP: a 48-year-old woman with a cyst located in the body and tail of the pancreas and a 59-year-old man with a tumor situated in the head of the gland producing an obstructive jaundice. Ultrasonography and computer tomography confirmed the presence of the cystic mass in both patients but the precise diagnosis was made only after the histologic examination of the removed lesions. With an attempted curative resection: distal pancreatectomy with preservation of the spleen in the first case and a Whipple procedure in the second one, both cases were cured. Pathology do not reveal malignant transformations. Both patients were alive, had no complaints or recurrences at 12 and 24 month after surgery. The treatment of choice in such cystic tumors is surgical removal as untreated these lesions may progress to neoplastic degeneration.
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