Type 2 Diabetes 4 in Medicine / Internal Medicine — 30yo Man | Endocrinology | SMLE Q#12390
SMLE Question #12390
Medicine / Internal Medicine
Endocrinology
Objective: OBJ-ADDISON-DOSE-1
Last updated: February 2026
A 30-year-old man, diagnosed with type 2 diabetes 4 years ago, reports months of polyuria, polydipsia, and 4-kg unintentional weight loss over 6 months. His father and younger sister have type 1 diabetes. BMI is 23 kg/m². Laboratory evaluation shows hyperglycaemia with low fasting C-peptide and hypercalcaemia with elevated parathyroid hormone. Which of the following diagnoses best explains all of his current clinical and laboratory findings?
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