A 25-year-old man underwent a renal biopsy for further evaluation after abnormalities in his urinalysis were identified during a routine health check-up.
Past Medical History: None
Medications: None
Family History: His father has a history of renal dysfunction.
Vital parameters:
BP: 119/67 mmHg
HR: 68/min
SpO2: 99 %
Physical Examination:
Physical examination revealed no abnormalities.
Laboratory Findings:
Urinalysis:
RBCs: 10–19/HPF, WBCs: 1–4/HPF, 24-hour urine protein: 1100 mg/day
Blood Tests:
WBC: 5,700/μL, Hb: 14.9 g/dL, Platelets: 253,000/μL, TP: 6.9 g/dL, Alb: 4.2 g/dL, BUN: 11.8 mg/dL, Cr: 1.00 mg/dL, eGFR: 29.6 mL/min/1.73 m², HbA1c: 5.8%, CRP: 0.01 mg/dL, IgG: 1273 mg/dL, IgA: 341 mg/dL, IgM: 100 mg/dL, C3: 91 mg/dL, C4: 51 mg/dL, ANA Titer: 1:40 c-ANCA : negative p-ANCA : negative.
Note related to annotations: To avoid obscuring the lesions, the annotations are deliberately positioned close to, but not directly over, the lesion areas.