Ketosis-prone type 2 diabetes is a form of diabetes that usually presents with diabetic ketoacidosis (DKA) in patients who are not insulin dependent. It is commonly seen in African, African American, and Hispanic populations. Although the pathogenesis is not fully understood yet, it is believed to be caused by stressinduced reversible beta-cell and alpha-cell dysfunction in the pancreas. Here, we describe the case of an 80year-old white female with well-controlled type 2 diabetes mellitus who had unexplained DKA in the setting of a urinary tract infection. The patient's DKA resolved after administering appropriate therapy, and she did not require treatment with insulin on discharge.
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