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Radiologic Findings in Extrapancreatic Solid Pseudopapillary Tumor with Aggressive Behavior: a Case Report
Hye Won Choi1, Hyun Jeong Park2, Soon Auk Hong3
1Department of Radiology, Chung-Ang University Hospital, Chung-Ang University College of Medicine, Seoul, Korea.
Journal of Korean Medical Science
|November 9, 2017
Summary
Extrapancreatic solid pseudopapillary tumors (SPT) are rare malignant pancreatic neoplasms. This case highlights aggressive extrapancreatic SPT with peritoneal dissemination and liver metastases, emphasizing the need for vigilance in diagnosis.
Area of Science:
- Oncology
- Gastroenterology
- Pathology
Background:
- Solid pseudopapillary tumor (SPT) is typically a low-grade malignant pancreatic neoplasm.
- Extrapancreatic occurrence of SPT is exceptionally rare, posing diagnostic challenges.
Observation:
- A 61-year-old woman presented with abdominal pain and diffuse tenderness.
- Imaging revealed extrapancreatic SPT with extensive peritoneal dissemination and hepatic metastases.
Findings:
- This case represents the first report of extrapancreatic SPT exhibiting aggressive behavior and a poor prognosis.
- Imaging findings mimicked classical pancreatic SPTs, but malignant transformation was suspected due to capsular discontinuity and invasion.
Implications:
- Malignant transformation of extrapancreatic SPT should be considered in cases with ill-defined margins and adjacent structure invasion.
- Early recognition of aggressive features is crucial for patient management and prognosis.
- Further research is needed to understand the behavior and treatment of aggressive extrapancreatic SPTs.
