References

1. Harms PW. Update on Merkel Cell Carcinoma. Clin Lab Med. 2017 Sep;37(3):485-501.
2. Bechert CJ, Schnadig V, Nawgiri R. The Merkel cell carcinoma challenge: a review from the fine needle aspiration service. Cancer Cytopathol. 2013 Apr;121(4):179-88.
3. Wong HH, Wang J. Merkel cell carcinoma. Arch Pathol Lab Med. 2010 Nov;134(11):1711-6.
4. Kouzmina M, Koljonen V, Leikola J, Böhling T, Lantto E. Frequency and locations of systemic metastases in Merkel cell carcinoma by imaging. Acta Radiol Open. 2017 Mar; 6(3): 2058460117700449.
5. Ghouri YA, Krishna SG, Kundu UR, Bhutani MS, Lee JH, Ross WA. A case series and literature review of Merkel cell carcinoma metastasizing to pancreas. Dig Dis Sci. 2015 Jun;60(6):1805-12.
6. Dim DC, Nugent SL, Darwin P, Peng HQ. Metastatic merkel cell carcinoma of the pancreas mimicking primary pancreatic endocrine tumor diagnosed by endoscopic ultrasound-guided fine needle aspiration cytology: a case report. Acta Cytol. 2009 Mar-Apr;53(2):223-8.
7. González-Vela MDC, Curiel-Olmo S, Derdak S, Beltran S, Santibañez M, Martínez N, Castillo-Trujillo A, Gut M, Sánchez-Pacheco R, Almaraz C, Cereceda L, Llombart B, Agraz-Doblas A, Revert-Arce J, López Guerrero JA, Mollejo M, Marrón PI, Ortiz-Romero P, Fernandez-Cuesta L, Varela I, Gut I, Cerroni L, Piris MÁ, Vaqué JP. Shared Oncogenic Pathways Implicated in Both Virus-Positive and UV-Induced Merkel Cell Carcinomas. J Invest Dermatol. 2017 Jan;137(1):197-206.
8. Kim JY, Hong SM. Recent Updates on Neuroendocrine Tumors From the Gastrointestinal and Pancreatobiliary Tracts. Arch Pathol Lab Med. 2016 May;140(5):437-48.
9. Duan K, Mete O. Algorithmic approach to neuroendocrine tumors in targeted biopsies: Practical applications of immunohistochemical markers. Cancer Cytopathol. 2016 Dec;124(12):871-884.
10. Pantanowitz L, Navina S, Monaco SE. The Merkel cell carcinoma challenge: a review from the fine needle aspiration service. Cancer Cytopathol. 2013 Nov;121(11):671.