Episodio – Amiloidosis renal: proteinuria nefrótica y birrefringencia verde manzana | USMLE Step 1 episode artwork

EPISODE · Jan 7, 2026 · 6 MIN

Episodio – Amiloidosis renal: proteinuria nefrótica y birrefringencia verde manzana | USMLE Step 1

from USMLE DREAMERS · host USMLE DREAMERS

Paciente de 55 años con fatiga, disnea de esfuerzo, edema periférico y proteinuria en rango nefrótico. La biopsia renal con tinción rojo Congo bajo luz polarizada muestra birrefringencia verde manzana, hallazgo patognomónico de amiloidosis. En este episodio analizamos la fisiopatología del mal plegamiento proteico, los principales tipos de amiloidosis sistémica, y por qué la electroforesis de proteínas séricas es clave para identificar amiloidosis AL secundaria a discrasia de células plasmáticas. Un episodio de integración clínica, patológica y fisiopatológica esencial.#USMLEDreamers #USMLE #Step1 #Nefrologia #Patologia #Amiloidosis #SindromeNefrotico #Proteinuria #CongoRed #ALamyloidosis

Episode metadata supplied by the publisher feed · Published Jan 7, 2026

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Episodio – Amiloidosis renal: proteinuria nefrótica y birrefringencia verde manzana | USMLE Step 1

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