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Phlebologie 2010; 39(06): 317-324
DOI: 10.1055/s-0037-1622328
Original article
Schattauer GmbH

Valves of the gonadal veins

An anatomical studyKlappen der Gonadenveneneine anatomische Studie
A. Heinz
1   Division for Clinical and Functional Anatomy, Department of Anatomy, Histology and Embryology, Innsbruck Medical University, Austria
,
E. Brenner
1   Division for Clinical and Functional Anatomy, Department of Anatomy, Histology and Embryology, Innsbruck Medical University, Austria
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Publikationsverlauf

Received: 29. Juni 2010

Accepted: 01. September 2010

Publikationsdatum:
05. Januar 2018 (online)

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Summary

Purpose: Varicocele seems not to rely on the number of valves within the pampiniform plexus, the initial failure might be located on a higher level. Therefore, the failure should also occur in females. There is a comparable disease, Pelvic congestion syndrome, as result of pelvic venous engorgement due to gross dilatation and incompetence of ovarian veins.

Thus, we need a detailed description of venous course, branching as well as frequencies and locations of valves within both genders. Page 3/23

Material and Methods: In 31 Caucasian formalin-fixed bodies (15 males, 16 females) we investigated course and valves from Ovaries or internal inguinal ring, respectively, up to termination into inferior vena cava or left renal vein, respectively. Specimens were documented photographically and by a distinct protocol.

Results: In general, we found one valve on each side (testicular vein right 41.93%, left 51.52%; ovarian vein right 51.61%, left 45.45%). Two specimens had two valves per vein, each in a left testicular vein, and 15 veins showed absent valves. Valves existed between 0.0–4.5 cm, mainly 0.0–1.0 cm. One corpse showed varicose ovarian veins.

Conclusion: If veins show varices, one would expect missing valves or insufficient function. In contrast, none of our 15 valve-less veins showed varices or even enlargement. Also surprising, the only case with varices had one valve on each side. The terminal segment in both genders was almost identical and the venous course was similar. Precisely: men frequently had (N=11) less valves then women (N=4).

Zusammenfassung

Zweck: Die Varikozele scheint nicht auf der Anzahl von Klappen innerhalb des Plexus pampiniformis zu beruhen, der eigentliche Defekt könnte auf einer höheren Etage liegen. Es gibt eine vergleichbare weibliche Krankheit, das spastische Parametropathie-Syndrom. Daher ist eine ausführliche Beschreibung des Venenverlaufs sowie der Häufigkeiten und Lagen der Klappen in beiden Geschlechtern notwendig.

Material und Methode: An 31 kaukasischen Formalin-fixierten Körpern (15 Männer, 16 Frauen) erforschten wir Verlauf und Klappen von den Eierstöcken beziehungsweise dem inneren Inguinalring bis zur Mündung in die untere Hohlvene beziehungsweise die linke Nierenvene.

Ergebnisse: Im Allgemeinen fanden wir eine Klappe auf jeder Seite (Männer: rechts 41,93%, links 51,52%; Frauen: rechts 51,61%, links 45,45%). In zwei Fällen warenzwei Klappen pro Vene vorhanden und 15 Venen zeigten keine Klappen. Klappen existierten zwischen 0,0–4,5 cm. Eine Leiche zeigte variköse Ovarialvenen.

Schlussfolgerung: Bei Varizen könnte man eine fehlende Klappe und/oder eine Veneninsuffizienz erwarten. Allerdings zeigte keine unserer 15 klappenlosen Venen Varizen oder auch Erweiterungen. Auch überraschend war, dass der einzige Fall mit Varizen eine Klappe auf jeder Seite hatte. Der Schlussteil war in beiden Geschlechtern fast gleich ausgeformt, der Verlauf war ähnlich.

Keywords

pelvic congestion syndrome - varicocele - gonadal vein - ovarian vein - spermatic vein - testicular vein

Schlüsselwörter

Anatomie - Pelvic Congestion Syndrom - Varicocele - Venen der Gonaden - Vena ovarica - Vena spermatica - Vena testicularis
 

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