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-This 15 yr old female patient showed mild pleural effusion and ascites on ultrasound imaging of the abdomen. Other ultrasound findings (see images above):
-kidneys appear enlarged and edematous with loss of cortico-medullary differentiation
-increased echogenicity of the renal cortex.
-also present: abuminuria and serum creatinine of 1.4 mg %
On renal biopsy it was diagnosed as membranous lupus nephritis or SLE (Systemic lupus erythematosus) involving the kidneys. Lupus nephritis is graded from 1 to 6 depending on clinical and pathological findings.
In chronic lupus nephritis, the kidneys may show typical songraphic features of medical renal disease with small echogenic kidneys.
References: sonography of lupus nephritis