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Shinya Uchino  (Uchino S) 1 Article
A Case of Multiple Endocrine Neoplasia Associated with VIPoma.
Si Won Lee, Young Sik Choi, Yo Han Park, Kyung Seung Oh, Jung Woo Shin, Il Jin Kim, Shinya Uchino
J Korean Endocr Soc. 2005;20(1):64-70.   Published online February 1, 2005
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AbstractAbstract PDF
Multiple endocrine neoplasia I(MEN I) is a genetic disorder that consists of neoplasia of neuroendocrine type in the parathyroid glands, in the islets of Langerhans in the pancreas, and in the anterior pituitary gland. Primary hyperparathyroidism is the most common feature and occurs in approximately 95% of MEN I patients. Pancreatic islet cell tumors occur in 40% of MEN I patients. Most of these tumors produce excessive amounts of hormones, such as gastrin, insulin, glucagon and vasoactive intestinal polypeptide(VIP). VIP-producing pancreatic tumors(VIPoma) associated with MEN I are rare and so far only one has been reported in Korea. Recently, we came across a case of MEN I, associated VIPoma presented persistent hypercalcemia after a parathyroidectomy. A 70 year old man had suffered from large amount of watery diarrhea, severe general weakness and paralysis of lower limbs for 3 months which suggests symptoms of hypercalcemia. Before the patient visited our hospital, he underwent subtotal parathyroidectomy due to hyperparathyroidism. Even though he was operation, there was no subsidization of the symptoms and abnormal findings of blood chemistry such as hypercalcemia, hypocalemia were remained unchanged. However, the parathyroid hormone level was still within normal limits. Abdominal computerized tomography scan demonstrated a mass of 2.5cm diameter in tail of the pancreas. As serum level of VIP hormone was also elevated, distal pancreatectomy was carried out to performed. There was improvement in the symptoms towards the normal condition and the level of biochemical parameters such as serum potassium, calcium and VIP, were also within the normal limits. In a direct sequence analysis, GAC-->CAT(Asp-->His) point mutation, at codon 383 of exon 9 of the MEN I gene was identified in both the patient and his son. The authors report a rare case of VIPoma associated with MEN I with review of literature on MEN I.


Citations to this article as recorded by  
  • Genetic and Epigenetic Analysis in Korean Patients with Multiple Endocrine Neoplasia Type 1
    Yoon Jung Chung, Sena Hwang, Jong Ju Jeong, Sun Yong Song, Se Hoon Kim, Yumie Rhee
    Endocrinology and Metabolism.2014; 29(3): 270.     CrossRef
  • Somatic Mutational Analysis of MEN1 and Phenotypic Correlation in Sporadic Parathyroid Tumors
    Young Su Chae, Hee Jin Kim, Sun Wook Kim, Myung-Chul Chang
    Journal of the Korean Surgical Society.2009; 76(1): 15.     CrossRef
  • Multiple Endocrine Neoplasia Type 1 with Multiple Leiomyomas Linked to a Novel Mutation in the MEN1 Gene
    Heekyoung Choi, Sehyun Kim, Jae-Hoon Moon, Yoon Hee Lee, Yumie Rhee, Eun Seok Kang, Chul Woo Ahn, Bong Soo Cha, Eun Jig Lee, Kyung Rae Kim, Hyun Chul Lee, Seon Yong Jeong, Hyun Ju Kim, Sung-Kil Lim
    Yonsei Medical Journal.2008; 49(4): 655.     CrossRef
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