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Gastrointest Endosc. 1997 Mar;45(3):268-76.

Solitary cystic tumor of the pancreas: EUS-pathologic correlation.

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1
Department of Radiology, Sapporo Medical University, Japan.

Abstract

BACKGROUND:

It is clinically important to distinguish neoplastic from non-neoplastic pancreatic cysts.

METHODS:

Retrospective correlations were made between pathologic and EUS data from 52 pancreatic solitary cystic tumors: mucinous cystadenoma (10), mucinous cystadenocarcinoma (7), serous cystadenoma (5), ductectatic mucinous cystic tumor (10), solid and papillary epithelial neoplasm (5), and non-neoplastic cyst (15). The mean tumor size was 3.5 cm (range, 1.2 cm to 6.0 cm).

RESULTS:

Six classifications of the internal structures of these cysts were developed: thick wall type, tumor protruding type, thick septal type, microcystic type, thin septal type, and simple type. Although all neoplastic cysts belonged to the first four types, all non-neoplastic cysts belonged to the last two types. The accuracy of EUS for differentiating tumors was estimated at 96% and 92%, respectively, by two observers.

CONCLUSIONS:

EUS may become a mandatory modality for differentiating pancreatic solitary cystic tumors and choosing an optimal treatment.

PMID:
9087833
[Indexed for MEDLINE]

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