Pancreatic Disorders & Therapy
Open Access

Songyang Yuan

Publications

• Case Report
  Extrapancreatic Solid Pseudopapillary Neoplasm in the Subhepatic Region: A Diagnostic Dilemma
  Author(s): Rifat Mannan AAS and Songyang Yuan Rifat Mannan AAS and Songyang Yuan
  
  Solid pseudopapillary neoplasm (SPN) is a rare but distinctive pancreatic neoplasm that typically affects young women. Rare cases of extrapancreatic SPN have been reported. Here; we present an unusual case of SPN in a 32- year-old woman who presented with vague abdominal pain. Computed tomography scan revealed a large solid mass in the subhepatic region; adjacent to the head of pancreas and second part of duodenum. The pancreatic gland parenchyma was not involved. Radiologic features were suggestive of a gastrointestinal stromal tumor. On microscopic examination, the lesion exhibited both solid and pseudopapillary pattern with prominent myxoid change in the stroma. Immunohistochemistry showed strong expression of vimentin, CD10, CD56 and alpha 1 antitrypsin. Synaptophysin was focally positive. β-catenin immunostain showed strong nuclear expression; while stain for Ecadherin was n.. View More»
  DOI: 10.4172/2165-7092.1000152

  Abstract PDF

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