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[Renal involvement in scleroderma].

G Richet, B Mougenot, J Roland

    Annales De Medecine Interne
    |January 1, 1984
    PubMed
    Summary
    This summary is machine-generated.

    Early scleroderma (systemic sclerosis) kidney biopsies reveal distinct vascular lesions, primarily endarteritis, differing from malignant hypertension. These findings offer insights into scleroderma renal disease progression and clinical significance.

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    Area of Science:

    • Nephrology
    • Rheumatology
    • Pathology

    Context:

    • Scleroderma (systemic sclerosis) can affect the kidneys, leading to significant morbidity and mortality.
    • Understanding early renal vascular changes is crucial for predicting disease course and outcomes.

    Purpose:

    • To investigate the early vascular lesions in renal biopsies of patients with scleroderma.
    • To correlate these histological findings with clinical manifestations and long-term outcomes.

    Summary:

    • Renal biopsies in 29 scleroderma patients showed proliferative or fibrous endarteritis in interlobar arteries, distinct from malignant hypertension lesions.
    • Arterioles were largely spared, but autopsy revealed indistinguishable lesions from malignant hypertension in some cases.
    • Biopsies in patients without overt renal disease also showed endarteritis, sometimes extensive, even without hypertension.

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    Impact:

    • Identifies specific early vascular changes in scleroderma kidneys, aiding in differential diagnosis.
    • Suggests that these lesions may progress to resemble malignant hypertension pathology over time.
    • Demonstrates potential for regression of scleroderma and renal involvement, with some patients remaining free of renal failure long-term.