PRIMARY-CARCINOMA OF THE CYSTIC DUCT ASSOCIATED WITH SARCOID REACTIONS - REPORT OF A CASE

We report on an extremely unusual case of primary carcinoma of the cys tic duct associated with sarcoid reactions, Although sarcoid reactions are known to occur occasionally with malignant tumors, primary carcin oma of the cystic duct is very rare, and to our knowledge, this is the first documentation of surgical treatment being performed for primary carcinoma of the cystic duct associated with sarcoid reactions, A 69- year-old woman with a mass in the right upper quadrant underwent chole cystectomy and hepaticocholedochal resection with dissection of the re gional lymph nodes under the macroscopic operative diagnosis of primar y carcinoma of the cystic duct, Microscopic examination of the resecte d lymph nodes disclosed sarcoid granulomas, According to our research of the literature, this is the 23rd surgically treated case of primary carcinoma of the cystic duct in Japan, The features of all 23 cases a re reviewed following this case report.