Insulinoma in a patient with type 2 diabetes mellitus

Insulinoma in a patient with pre-existing diabetes is extremely rare. Only a small number of cases have been reported all over the world. We report a case of insulinoma in a patient with type 2 diabetes. A 63-year-old female was diagnosed to have diabetes mellitus six years ago, she was given metfor...

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Bibliographic Details
Published in:Acta medica Iranica 2015, Vol.53 (5), p.317-319
Main Authors: Ghafoori, Shahnaz, Lankarani, Mahnaz
Format: Article
Language:English
Subjects:
Blood Glucose
Diabetes Mellitus, Type 2 - drug therapy
Diabetes Mellitus, Type 2 - physiopathology
Endosonography
Female
Humans
Hypoglycemia - diagnosis
Hypoglycemia - etiology
Insulinoma - diagnosis
Insulinoma - pathology
Middle Aged
Pancreatic Neoplasms - diagnosis
Pancreatic Neoplasms - pathology
Postoperative Period
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Summary:Insulinoma in a patient with pre-existing diabetes is extremely rare. Only a small number of cases have been reported all over the world. We report a case of insulinoma in a patient with type 2 diabetes. A 63-year-old female was diagnosed to have diabetes mellitus six years ago, she was given metformin and sulphonylurea to control her glycemia, she had adequate glycemic control for many years, but thereafter, the patient has experienced hypoglycemia after cessation of the treatment since 8 months ago and was hospitalized for further examination, endogenous hypoglycemia was confirmed and the level of serum insulin and C-peptide were elevated. Endoscopic ultrasound showed a heterogeneous lesion in the head of the pancreas. Head pancreatectomy was done. In the postoperative period diabetes again developed and required oral agents for control.
ISSN:1735-9694