Pancreatic Intraductal Papillary Mucinous Neoplasm Associated Colloid Carcinoma

Flor-de-Lima, B; Freitas, P; Couto, N; Castillo-Martin, M; Santiago, I

http://hdl.handle.net/10400.17/3953

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Abstract(s)

Colloid carcinomas are rare pancreatic tumors characterized by the presence of mucin pools with scarce malignant cells. Most of these neoplasms arise from intestinal-type intraductal papillary mucinous neoplasms (IPMNs). We report a case of a 77-year-old male patient who presented with weight loss, asthenia, lumbar pain and diabetes. Imaging studies revealed a mixed-type IPMN with high-risk features and a possible invasive component. The patient underwent surgical resection and the histology confirmed an invasive colloid carcinoma of the pancreas associated with an intestinal-type IPMN. Although invasive ductal and colloid carcinomas may look similar on imaging studies, its distinction is important because the latter have a better prognosis.