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Anatomical variation types of the deep femoral vein and its tributaries
Shiyu Tang1, Mengxi Yang1, Qicheng Shu1
1Clinical Medicine Undergraduate, Chengdu Medical College, Chengdu, China.
Background:
The deep femoral vein generally has individual differences in origin, course, tributary, caliber, and quantity. However, systematic research on deep femoral vein variations remains insufficient. Given this, this study used anatomical observation to reveal the types and ratios of variations in the deep femoral vein and its tributaries.
Methods:
This study selected 63 gross specimens of intact lower extremities and dissected their 126 lower limbs layer by layer to explore variations in the deep femoral vein and its tributaries.
Results:
A total of 15 lower limbs exhibit variations in the deep femoral vein and its tributaries, of which 93% were unilateral. No correlation was found between the mutations and gender. They can be generally classified into three types: variations in the small saphenous vein branch of the deep femoral vein (7.14%), variations in the popliteal vein branch of the deep femoral vein (3.96%), and multiple deep femoral vein variations (0.79%).
Conclusions:
Variations in the deep femoral vein and its tributaries are not rare and can achieve a variation rate of 11.9%. Moreover, 93% of the variations involve tributaries of the deep femoral vein, among which 60% occur in the small saphenous vein branch, and approximately 30% are related to the popliteal vein branch. The variation diversity can lay a theoretical foundation for clinical diagnosis and treatment.
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