Unmasking a Hidden Burden: Chemotherapy-Induced and Exacerbated Diabetes in Paediatric Cancer: A Report of Two Cases
Le résumé fourni par la source
L-asparaginase and corticosteroids, essential components of paediatric leukaemia and lymphoma treatment, are associated with hyperglycaemia and, rarely, diabetic ketoacidosis (DKA). Chemotherapy-induced diabetes is an under-recognised complication in pediatric oncology in resource-constrained settings. Case 1: day of initiating chemotherapy, urinalysis showed glycosuria (+++) and absent ketonuria. Fasting blood glucose (FBG) was 7.4mmol/L. She had generalized boils and poor intravenous (IV) site wound healing. Her body mass index (BMI) was normal. Glycosylated haemoglobin A1c (HbA1c) showed diabetic levels of 7.7%. Serum C-peptide, amylase, and lipase were normal. She was managed with subcutaneous basal and premeal boluses of insulin and monitored by 8-point blood glucose monitoring with good control. Insulin was tapered off when hypoglycaemic episodes set in. She remained normoglycaemic and is being monitored closely. Case 2: (overweight), and blood pressure (130/75 mmHg) readings of systolic hypertension and diastolic pre-hypertension. Investigations showed HbA1c of 6.8%, increased serum C-Peptide of 34.39ng/ml (0.78-5.19), confirming insulin resistance. A diagnosis of type 2 DM, possibly exacerbated by steroid therapy, was made. Treatment was commenced with metformin 500mg nocte. The FBG has normalized.These cases demonstrate that early detection of hyperglycaemia during childhood cancer chemotherapy is a low-cost, high-impact intervention that can prevent life-threatening complications such as DKA and its associated morbidity and mortality, especially in resource-constrained settings.
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