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Hepatoblastoma - Li Fraumini Syndrome
Joseph Junewick, MD FACR
over 5 years ago
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ARSt Case Repository

Striated Renal Pyramids

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

1 month old former 28 week gestation with oliguria and hypertension after sepsis.


Case Images


Diagnosis

Striated Renal Pyramids

Clinical Notes

Renal function subsequently normalized. Followup renal ultrasound 1 week later also showed normalization.

Findings

US – Striated hyperechogenicity surrounding the medullary pyramids.

Discussion

The etiology of the striated hyperechogenicity surrounding the medullary pyramids in this case is uncertain but may be related to 1) precipitation of crystalloid, calcium or protein, 2) vascular congestion and or hyperemia, or 3) tubular stasis and or ectasia initiated by the patient’s sepsis.

Reference

Schultz PK, Strife JL, Strife CF, McDaniels JD. Hyperechoic renal medullary pyramids in infants and children. Radiology (1991); 181:163-167.

Hernanz-Schulman M. Hyperechoic renal medullary pyramids in infants and children. Radiology (1991); 181:9-11.



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