A 57-year-old man with poorly controlled type 2 diabetes mellitus for 20 years presents with bilateral ankle edema. Vital signs: BP 156/94 mmHg, HR 88, RR 16, Temp 37°C. Urinalysis reveals heavy proteinuria (4.5 g/day); serum albumin is 2.8 g/dL. Funduscopic examination demonstrates diabetic retinopathy. Urinary casts are absent. Which renal biopsy finding is most likely present?
- A)Mesangial IgA deposition
- B)Subepithelial humps
- C)Diffuse podocyte foot process effacement only
- D)Linear IgG deposition
- E)Nodular glomerulosclerosisGABARITO
Explicação
Long-standing diabetes causes diabetic nephropathy, characterized by glomerular basement membrane thickening, mesangial expansion, and nodular glomerulosclerosis known as Kimmelstiel-Wilson nodules. The concurrent diabetic retinopathy supports chronic microvas... Ver explicação completa e trilha adaptativa →