1. 1. Fishbein L. Pheochromocytoma and paraganglioma: genetics, diagnosis, and treatment. Hematol Oncol Clin North Am. 2016; 30:135-150.
2. 2. Lin S, Peng L, Huang S, Li Y, Xiao W. Primary pancreatic paraganglioma: A case report and literature review. World J Surg Oncol. 2016; 14:19.
3. 3. Gannan E, van Veenendaal P, Scarlett A, Ng M. Retroperitoneal non-functioning paraganglioma: A difficult tumout to diagnose and treat. Int J Surg Case Rep. 2015; 17:133-135.
4. 5. Zervos EE, Durkin AJ, Villadolid D, Vohra N. Laparoscopic resection of extraadrenal pheochromocytoma. Ann Surg Oncol. 2008; 15:499.
5. 6. Kelliher K, Santiago A, Estrada DE, Campbell BT. Laparoscopic excision of a familial paraganglioma. J Laparoendosc Adv Surg Tech A. 2009; 19(suppl 1): S155-S158.