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Anterior accessory saphenous vein

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Anterior accessory saphenous vein
Anterior accessory saphenous vein
Details
Drains toGreat saphenous vein
Identifiers
Latinvena saphena magna accessoria anterior
TA98A12.3.11.007
TA25068
FMA44320
Anatomical terminology

The anterior accessory saphenous vein is a special anterior tributary of the great saphenous vein (GSV), draining the antero-lateral face of the thigh.

It becomes very often insufficient, causing important varicose veins with an autonomous course and often is the only insufficient vein present on a patient.

Structure

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Usually it joins GSV very near the saphenous-femoral junction at the saphenous arch or can drain directly in the femoral vein. It can drain below the saphenous arch or in a GSV tributary. Sometimes it can drain in the external pudendal vein (which can communicate with an ovarian vein) and be the reason of a varicose disease of the thigh secondary to pelvic varicose disease.[1] At the superior 1/3 of the thigh it is located under the superficial fascia, like the GSV, but becomes very superficial below this level.[2] In contrast with other tributaries, its wall is histologically saphenous-type with a thick media, running parallel and external to the GSV.[1]

The vein can be identified near the saphenous ostium by a typical ultrasonographic image the so-called Mickey mouse sign (the 2 ears will be the GSV and the ASV, the head is the common femoral vein).

When the ultrasonography is performed, we can see it running across the anterior face of the thigh in a plan outside the femoral vessels, the GSV being at the inside of those vessels.[2]

Clinical relevance

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When insufficient, usually it tries to drain in the superior peroneal perforator at the external face of the knee, but it can reach the leg at its lower 1/3 and, drain in the lower peroneal perforator.

When treated properly the patient can be considered cured from his disease because this vein is just a collateral one, and most of the time is the only sick vein over all the superficial venous system.

The importance of this vein comes from the frequent confusion between it and the GSV made at ultrasonographic examination. This confusion can allow to a medical error and finishes on a stripping of the real GSV. So its presence is described as a reason for stripping postoperative recurrences.[1]

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See also

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References

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  1. ^ a b c "The saphenofemoral junction – Accessory saphenous veins". Archived from the original on July 25, 2013. Retrieved August 2, 2013.
  2. ^ a b Franceschi, C.; Zamboni, P. (2009). Principles of Venous Hemodynamics. Nova biomedical Books. pp. 14–15. ISBN 978-1-60692-485-3.