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Polyorchidism: a case report and classification.

Robert Bergholz1, Bernward Koch, Tilmann Spieker

  • 1Department of Pediatric Surgery, Medical School, Westfalian Wilhelms University of Muenster, 48149 Muenster, Germany. robert.bergholz@ukmuenster.de

Journal of Pediatric Surgery
|November 21, 2007
PubMed
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Polyorchidism, having more than two testes, is rare. This case report details a unique right-sided instance in a child, highlighting challenges in classification and surgical management.

Area of Science:

  • Urology
  • Pediatric Surgery
  • Medical Genetics

Background:

  • Polyorchidism is a rare congenital anomaly characterized by the presence of more than two histologically confirmed testes.
  • The condition is predominantly left-sided, with fewer than 90 cases documented globally.
  • Existing classification systems for polyorchidism, often based on embryological factors, struggle to encompass all reported variations.

Observation:

  • A case of right-sided polyorchidism was identified during an orchidopexy procedure in a 6-year-old boy.
  • The supernumerary testis possessed its own tunica vaginalis, epididymis, and deferent duct.
  • Vascular supply was shared with the ipsilateral distal testis, and histological confirmation was obtained.

Findings:

  • Due to short vascular supply, the supernumerary testis was surgically removed rather than undergoing orchidopexy.

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  • The anatomical characteristics of this right-sided case presented unique surgical considerations.
  • A review of current polyorchidism classifications revealed limitations in their comprehensiveness.

    • Implications:

    • This case underscores the variability of polyorchidism and the need for adaptable surgical approaches.
    • A proposed anatomical classification system aims to provide a more inclusive taxonomy based on reproductive function.
    • Further research into the embryological and anatomical spectrum of polyorchidism is warranted for improved understanding and management.