Abstract

SOSA VALENCIA, Leonardo; WEVER L, Wallia J  and  DELGADO, Francis. Patrones sonográficos y ubicación topográfica de la esteatosis pancreática por ecoendoscopia. Gen [online]. 2006, vol.60, n.2, pp.105-110. ISSN 0016-3503.

Introduction: The fatty replacement of the pancreas occurs under certain conditions but the pancreatic pathogenesis is not well understood. Even though, there are new imaging techniques available fatty pancreas replacement is difficult to differentiate from other pancreatic abnormalities. Aim of the study: assessment of the different sonographic patterns of the pancreatic gland using endoscopic ultrasound in other to diagnose pancreatic steatosis. Patients and Methods: Between April 2000 an June 2004 1764 endoscopic ultrasound were review at the Centro de Investigaciones Tecnológicas Ecoendoscópicas (CITE). The dynamic sonography of the pancreas assess two elements, first it made a relation between normal pancreatic sonographic parenchyma and the evaluated gland, and second the sonographic features of the liver were used. All patterns where described topographically and divided according to the different anatomic parts of the pancreas: uncinated process, head, neck, body and tail. Separated analysis of the pancreatic patterns was performed according to the pancreatic distribution. Results: 45 patients were evaluated, 28 females and 17 males, with a mean of 55 +/- 11 years. Pancreatic patterns were divided in diffused steatosis n=43 mild, moderated and severe, and heterogeneous steatosis n=2. According to severity we found 24 mild, 17 moderated and 4 severs. One pattern was mild patch in and the other one was moderated spots both located at the neck, body and tail. The body and tail were the most affected location with a 98% and 96% respectively; the less affected locations were the head and the uncinated process with 58% and 47% respectively. Three patterns were the most frequents: 42% had global steatosis, 22% had the body and tail and 33% had body, tail and neck with sporadic changes in head and uncinated process. Conclusions: pancreatic echogenecity is well defined by endoscopic ultrasound. Pancreatic steatosis should be address in future prospective protocols due to a complexity of his topography in the pancreas.

Keywords : lipomatosis; pancreas; endoscopic ultrasound; fatty pancreas replacement; steatosis.

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