A 4-year old male castrated Basenji presents for polyuria, polydipsia, and weight loss. Blood work shows P=2.5 (2.9-5.3 mg/dl), K= 3.1 (3.9-5.1 mEq/L), total CO2= 12 (17-25 mmol/L). The remainder of the blood work is within normal limits. Urinalysis shows 3+ glucose. Which of the following is your most likely differential diagnosis?
一只雄性4岁去势的巴塞恩金狗出现多尿，多饮和体重减轻。血液学显示P = 2.5（2.9-5.3mg / dl），K = 3.1（3.9-5.1mEq / L），总CO2 = 12（17-25mmol / L）。 其他的血液指标都在正常范围内。 尿液分析表示3+的葡萄糖。 您最可能的鉴别诊断是以下哪项？
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