0024 Summary Paragangliomas are neuroendocrine tumors most often benign. The adrenal location is the most common. Very few cases of vesicular paragangliomas have been reported in the literature. Mirizzi's syndrome is a mechanical complication of vesicular lithiasis, causing the compression of the common hepatic duct. It can also lead to bilio-biliary fistulas. We report through this observation an extremely rare case associating these three entities.