Two rare cases of a solid pseudopapillary neoplasm of the pancreas

Saigo,Chiemi; Hirose,Yoshinobu; Asano,Nami; Takamatsu,Manabu; Fukushima,Noriyoshi; Yasuda,Ichiro; Goshima,Satoshi; Ozeki,Michio; Osada,Shinji

doi:10.3892/ol.2013.1476

October 2013 Volume 6 Issue 4

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October 2013 Volume 6 Issue 4

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Article

Two rare cases of a solid pseudopapillary neoplasm of the pancreas

Authors:
- Chiemi Saigo
- Yoshinobu Hirose
- Nami Asano
- Manabu Takamatsu
- Noriyoshi Fukushima
- Ichiro Yasuda
- Satoshi Goshima
- Michio Ozeki
- Shinji Osada
View Affiliations / Copyright

Affiliations: Department of Pathology, Gifu University Hospital, Gifu 501‑1194, Japan, Department of Tumor Pathology, Gifu University Graduate School of Medicine, Gifu 501‑1194, Japan, Department of Pathology, Jichi Medical University Hospital, Shimotsuke, Tochigi 329‑0498, Japan, Department of Internal Medicine, Gifu University Graduate School of Medicine, Gifu 501‑1194, Japan, Department of Radiology, Gifu University Graduate School of Medicine, Gifu 501‑1194, Japan, Department of Pediatrics, Gifu University Graduate School of Medicine, Gifu 501‑1194, Japan, Department of Surgical Oncology, Gifu University Graduate School of Medicine, Gifu 501‑1194, Japan
Pages: 871-874
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Published online on: July 19, 2013

https://doi.org/10.3892/ol.2013.1476
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Abstract

A solid pseudopapillary neoplasm (SPN) of the pancreas has distinct histopathological features. A solid pattern of growth with pseudopapillary structures that result from degeneration is observed. On rare occasions, the tumor may vary from being entirely solid to completely cystic. The present study describes two unique cases of SPN. A 25‑year‑old male presented with a pancreatic tumor showing a predominantly solid pattern with no degenerative change, although the pre‑operative cytological specimens that were obtained by endoscopic ultrasound‑guided fine‑needle aspiration (EUS‑FNA) revealed pseudopapillary structures. The second case was of an 11‑year‑old female who presented with a pancreatic tumor with prominent degeneration. Nests and cords of the remaining neoplastic cells were located only at the periphery, with perineural invasion. An immunohistochemical analysis revealed that the tumor cells in the two cases were positive for CD10 and β‑catenin and negative for trypsin. An awareness of the broad morphological variability of SPN and an immunohistochemical panel that includes CD10, β‑catenin and trypsin are useful for establishing an accurate diagnosis.

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Journals

International Journal of Molecular Medicine

International Journal of Oncology

Molecular Medicine Reports

Oncology Reports

Experimental and Therapeutic Medicine

Oncology Letters

Biomedical Reports

Molecular and Clinical Oncology

World Academy of Sciences Journal

International Journal of Functional Nutrition

International Journal of Epigenetics

Medicine International

Two rare cases of a solid pseudopapillary neoplasm of the pancreas

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Abstract

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