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[Syndrome of transverse testicular ectopia with persistent Müllerian vestiges or empty bursa with overfilled
C Gautier-Benoit1, P Y Bugnon, B Servais
1Service de Chirurgie Générale et Digestive, C.H. de Lens conventionné avec le C.H.U. de Lille.
Abstract:
Transverse parorchidium is characterized by the presence of two testes in the same bursa, and may be associated with persistent Müllerian vestige in the spermatic cord of the normally situated testis. Persistence of Müllerian vestige is related to inadequate production of anti-Müllerian hormone by the embryonal testis. Transverse parorchidium is caused by the emergence of both deferent ducts into the Müllerian vestige. Diagnosis is evoked by the presence of an empty bursa associated with an abnormally hard spermatic cord contralaterally. This syndrome should be known of surgeons, as ablation of the Müllerian vestige consecutive to surgical management of a hernia or ectopic testis may lead to the sectioning of the deferent ducts.
Insights
Transverse parorchidium involves two testes in one bursa, potentially linked to persistent Müllerian structures. Surgeons must recognize this rare condition to avoid damaging crucial reproductive ducts during surgery.
Area of Science:
- Embryology
- Urology
- Surgical Anatomy
Background:
- Transverse parorchidium is a rare congenital condition where both testes reside within a single scrotal sac.
- It is often associated with persistent Müllerian structures, remnants from female embryonic development, in the spermatic cord.
Observation:
- The condition arises from both vas deferens (deferent ducts) entering the persistent Müllerian remnant.
- Clinical diagnosis is suggested by an empty contralateral scrotum and a palpable, unusually firm spermatic cord.
Findings:
- Persistence of Müllerian structures is linked to insufficient anti-Müllerian hormone production by the fetal testis.
- The anatomical arrangement in transverse parorchidium predisposes to iatrogenic injury of the vas deferens.
Implications:
- Awareness of transverse parorchidium is critical for surgeons operating for conditions like hernias or undescended testes.
- Accidental removal of Müllerian remnants can lead to unintended transection of the vas deferens, potentially causing infertility.