AN ANATOMIC STUDY OF VENOUS VARIATIONS AT THE FOSSA OVALIS

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Abstract
Although this paper primarily concerns itself with the variations of the tributaries of the vena saphena magna at the saphenofemoral junction, the obvious application of this research to ligation of veins and to recurrences after treatment of varicose veins is apparent. The unequivocal value of high ligation is established. The popularity of this procedure and its widespread use, particularly by surgeons unfamiliar with the field of vascular surgery, account for the not uncommon failures and recurrences. A lack of knowledge of the anatomy of the venous drainage of the lower extremity is probably the greatest single cause of poor results. In view of the exploratory nature of the operations required because of common variations, it would not be amiss at this point to emphasize the fact that ligation of the saphenous vein is not an office procedure. The material in this communication is based on the dissection in the fossa

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