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Posterior Talo-calcaneal Facet Coalition
Joseph Junewick, MD FACR
over 7 years ago
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Renal Cortical Necrosis

Case Detail

Anatomy: Genitourinary
Junewick
Joseph Junewick, MD FACR
Diagnostic Category: Vascular
Created: over 6 years ago
Updated: over 6 years ago
Tags: PEDS
Modality/Study Types: US
Activities:
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History

Premature neonate with sepsis and oliguria.


Case Images


Diagnosis

Renal Cortical Necrosis

Findings

US – Punctate and linear cortical calcifications; otherwise preserved renal echogenicity.

Discussion

Renal cortical necrosis, renal medullary necrosis, and combined renal cortical-medullary necrosis result from renal ischemia without vascular occlusion. Renal hypoperfusion and ischemic injury in infants have been ascribed to massive blood loss, hemolytic disease, septicemia, and severe hypoxemia. There is no predilection of the cortex compared to the medulla or combined cortex and medulla for ischemia. Prematurity, respiratory distress syndrome, bleeding diathesis, and congenital heart disease may be potentiative factors for developing renal ischemia.

Reference

Lerner GR, Kurnetz R, Bernstein J, et al. Renal cortical and renal medullary necrosis in the first 3 months of life. Pediatr Nephrol (1992); 6(6):516-8.



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