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Shi LN, Qiu ZL, Wu CG, et al. A Rare Case of Calf Muscle Metastasis from a Non-Functional Pancreatic Neuroendocrine Carcinoma. Iran J Radiol. 2015;12(2):e11637doi: 10.5812/iranjradiol.11637.
Shi, L. N., Qiu, Z. L., Wu, C. G., & Luo, Q. Y. (2015). A Rare Case of Calf Muscle Metastasis from a Non-Functional Pancreatic Neuroendocrine Carcinoma. Iranian journal of radiology : a quarterly journal published by the Iranian Radiological Society, 12(2), e11637. https://doi.org/10.5812/iranjradiol.11637
Shi, Li Na, et al. "A Rare Case of Calf Muscle Metastasis from a Non-Functional Pancreatic Neuroendocrine Carcinoma." Iranian journal of radiology : a quarterly journal published by the Iranian Radiological Society vol. 12,2 (2015): e11637. doi: https://doi.org/10.5812/iranjradiol.11637
Shi LN, Qiu ZL, Wu CG, Luo QY. A Rare Case of Calf Muscle Metastasis from a Non-Functional Pancreatic Neuroendocrine Carcinoma. Iran J Radiol. 2015 Apr 22;12(2):e11637. doi: 10.5812/iranjradiol.11637. eCollection 2015 Apr. PMID: 26060551; PMCID: PMC4457969.
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Iran J Radiol. 2015 Apr 22;12(2):e11637. doi: 10.5812/iranjradiol.11637. eCollection 2015 Apr.

A Rare Case of Calf Muscle Metastasis from a Non-Functional Pancreatic Neuroendocrine Carcinoma.

Iranian journal of radiology : a quarterly journal published by the Iranian Radiological Society

Li Na Shi, Zhong Ling Qiu, Chun Gen Wu, Quan Yong Luo

Affiliations

  1. Department of Radiology, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, China.
  2. Department of Nuclear Medicine, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, China.

PMID: 26060551 PMCID: PMC4457969 DOI: 10.5812/iranjradiol.11637

Abstract

Pancreatic neuroendocrine tumors (PNET) are uncommon pancreatic neoplasms, accounting for 1-2% of all pancreatic tumors. However, they have a better prognosis and long-term survival compared to exocrine pancreatic cancer. PNETs can be divided into functional or non-functional based upon whether or not they excrete active substances relevant to specific clinical syndromes. Skeletal muscle metastasis is also a rare condition and differentiation between a primary soft tissue sarcoma and metastatic carcinoma is difficult without biopsy. Thus, skeletal muscle metastases from pancreatic neoplasms are exceedingly rare, with only a few cases reported in the literature. We present a 34-year-old man with metastatic pancreatic neuroendocrine carcinoma that was initially thought to be a primary soft tissue tumor. Pathology and immunohistochemistry demonstrated the tumor to be a metastasis from a pancreatic neuroendocrine carcinoma. A brief review of the literature on this subject is also presented.

Keywords: Metastasis; Neuroendocrine Carcinoma; Pancreatic Neoplasms

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