Infant communicating hydroceles--do they need immediate repair or might some clinically resolve?

Koski ME, Makari JH, Adams MC, Thomas JC, Clark PE, Pope JC, Brock JW
J Pediatr Surg. 2010 45 (3): 590-3

PMID: 20223325 · DOI:10.1016/j.jpedsurg.2009.06.026

PURPOSE - Infant hydroceles that are communicating by history (fluctuation in size) or examination (reducible fluid) are often repaired soon after presentation. We have followed a series of infant boys with such hydroceles and reviewed their early natural history.

MATERIALS AND METHODS - Since 1998, we have followed 174 infant boys presenting with an apparent communicating hydrocele without immediate surgical repair. All boys were initially seen before 18 months of age and most (168) by 12 months. Most had been full term at delivery, although 32 had been premature (<37 weeks' gestational age) and 11 extremely so (<32 weeks). Most boys (120) had bilateral hydroceles at presentation.

RESULTS - Of the 110 boys followed to disposition, 69 (62.7%) had complete resolution without surgery by a mean age of 11.7 months. Forty-one patients (37.3%) underwent surgery for correction at a mean age of 14 months because of persistence in size or development of a hernia. Six developed a hernia during observation, none of whom had any episode of incarceration. Only 2 patients with apparent resolution subsequently had recurrence with a hernia. Age at presentation and gestational age at birth showed no effect on resolution. The hydroceles of 64 boys had improved in size after a mean follow-up of 13.9 months when last seen.

CONCLUSIONS - Many infant hydroceles that are communicating by history or examination do resolve clinically without surgery and deserve observation. Progression to hernia was rare in our experience and did not result in incarceration. Consequently, little risk is taken by initial observation.

MeSH Terms (17)

Cohort Studies Follow-Up Studies Humans Infant Infant, Newborn Linear Models Male Observation Probability Remission, Spontaneous Retrospective Studies Risk Assessment Statistics, Nonparametric Testicular Hydrocele Time Factors Treatment Outcome Urogenital Surgical Procedures

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