No abstract

By far the most commo n cysti c lesion of th e pancreas is the inflammatory pseudocyst Amo ng th e tru e cysts , th e mu ci no us neopl asm is unique because of its proliferative nature and the pvtential for carcinomatous deg e neration. Hence , establishment of the diagnosis prior to surgical exploration is of g reat im portanceTh e imaging characteristics of ultrasonography and computed tomography are particularly useful in the preope rative differenti atio n of mu cinous cystic neoplasms from pse ud ocysts of th e pancreas Thi s report desc ribes the ultrasonograph ic and computed tom og raphic finding s of eight mucino us neoplasms (three cystade noma, fiv e cystadenocarcinoma) and twenty four pseud ocysts Mucinous cystade nomas are we ll -defin ed large multiloc ular cysti c masses co ntaining irreg u lar thick spe ta, solid components and local ly thicken ed wa ll . Sonographi c and computed tom ograph ic find ings of cystadenocarcino mas are si mi lar to those of cystadenoma, but cystade nocarcinomas fr equently show daughter cysts along the primary cystic wal!, locall y invasion and distant metastasis P se udocysts are unilocul ar cystic masses which wa lls are un iform in wid th, containing many debri s within the cysts and are often located at extrapancreatic areas