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CASE REPORTS
Year : 2020  |  Volume : 11  |  Issue : 3  |  Page : 209-213

Non-islet cell tumor hypoglycemia in a patient with pleural tumor and hypoinsulinemic hypoglycemia: A case report


Department of Diabetology, Dr. Mohan’s Diabetes Specialities Centre & Madras Diabetes Research Foundation, Chennai, Tamil Nadu, India

Correspondence Address:
Dr. Muthukrishnan Varalakshmi
Consultant Diabetologist, Department of Diabetology, Dr. Mohan’s Diabetes Specialities Centre & Madras Diabetes Research Foundation, No. 4, Conran Smith Road, Gopalapuram, Chennai, Tamil Nadu.
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/JOD.JOD_39_20

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Non-islet cell tumor hypoglycemia (NICTH) is a relatively rare paraneoplastic syndrome associated with tumors of mesenchymal and epithelial cell origin. Hypoglycemia can be the presenting symptom of NICTH or can appear later in the disease course. The cause of NICTH is stated to be due to secretion of poorly processed insulin-like growth factor (IGF)-2 and in most previous reported cases, the diagnosis of NICTH is made based on the identification of this fraction of IGF-2 or an increased ratio between total IGF-2 and IGF-1. However, in clinical setting, especially in developing countries, such tests cannot be readily available and a diagnosis of NICTH should not be delayed in a patient with a combination of solid tumor, recurrent fasting hypoglycemia, and a low serum insulin and C-peptide level. We describe in our report an 87-year-old man with a history of a pleural tumor presenting with recurrent episode of hypoglycemia. Although surgical removal of the tumor is the ideal management, it is often not feasible as exemplified in our report. In such cases, treatment with glucocorticoid is effective in alleviating the symptoms of hypoglycemia.


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