The subcapsular C sign: a rare radiographic finding associated with neonatal urinary ascites

John Barry, J. M. Anderson, C. V. Hodges

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

An infant with urinary ascites owing to obstructing posterior urethral valves had a subcapsular urinoma. The subcapsular urinary collection was documented surgically and resulted in a rare radiographic finding, the subcapsular C sign that is easily differentiated from the P sign of extracapsular urinary extravasation. The solute concentration gradients in the urine, subcapsular urinoma, ascites and serum plus the absence of a renal capsule urine leak suggested that the renal capsule and perirenal fascia functioned as a semipermeable membrane, permitting movement of solvent and solute into the peritoneal cavity where equilibrium with the spleen occurred.

Original languageEnglish (US)
Pages (from-to)836-839
Number of pages4
JournalJournal of Urology
Volume112
Issue number6
StatePublished - 1974

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Urinoma
Ascites
Capsules
Urine
Kidney
Fascia
Peritoneal Cavity
Spleen
Membranes
Serum

ASJC Scopus subject areas

  • Urology

Cite this

The subcapsular C sign : a rare radiographic finding associated with neonatal urinary ascites. / Barry, John; Anderson, J. M.; Hodges, C. V.

In: Journal of Urology, Vol. 112, No. 6, 1974, p. 836-839.

Research output: Contribution to journalArticle

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