A 12-year-old girl with recurrent thrush infections, fruity breath, unintentional weight loss and nocturia. Diagnosis?

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Multiple Choice

A 12-year-old girl with recurrent thrush infections, fruity breath, unintentional weight loss and nocturia. Diagnosis?

Explanation:
New-onset diabetes presenting in a child with polyuria (nocturia), weight loss, and recurrent infections is most consistent with Type 1 diabetes. In children, autoimmune destruction of pancreatic beta cells leads to insulin deficiency, which drives hyperglycemia. The high glucose level predisposes to infections such as candidiasis, helping explain the thrush. Fruity breath signals ketosis, which can occur when insulin is deficient and the body starts breaking down fat for energy, potentially leading to ketoacidosis if not treated. However, the overarching diagnosis explaining this combination of symptoms is Type 1 diabetes. Type 2 diabetes is less likely in a child of this age without obesity and with rapid weight loss. Candidiasis alone doesn’t account for the polyuria and weight loss, and ketoacidosis is a severe complication/state that can accompany Type 1 diabetes rather than the initial diagnosis itself.

New-onset diabetes presenting in a child with polyuria (nocturia), weight loss, and recurrent infections is most consistent with Type 1 diabetes. In children, autoimmune destruction of pancreatic beta cells leads to insulin deficiency, which drives hyperglycemia. The high glucose level predisposes to infections such as candidiasis, helping explain the thrush. Fruity breath signals ketosis, which can occur when insulin is deficient and the body starts breaking down fat for energy, potentially leading to ketoacidosis if not treated. However, the overarching diagnosis explaining this combination of symptoms is Type 1 diabetes. Type 2 diabetes is less likely in a child of this age without obesity and with rapid weight loss. Candidiasis alone doesn’t account for the polyuria and weight loss, and ketoacidosis is a severe complication/state that can accompany Type 1 diabetes rather than the initial diagnosis itself.

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