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Smaller vein trunks that lead into the truncal veins. Varicosis of the lateral branches is usually caused by an insufficiency of the valves in the truncal veins (vena saphena magna and vena saphena parvae). This is how the venous hypertension of the truncal veins is communicated to the lateral branches. As a consequence, the venous valves there also become insufficient, resulting in the development of a mostly clearly visible varicosis of the lateral branches.

Side branch varices can be removed as a single measure, or as a supplement when a parent varice is rehabilitated. The minimally invasive procedures of miniphlebectomy are used here.

1. Ströbel P (2010) Anatomy and pathological anatomy of the epifascial venous system. In: T Noppeney, H Nüllen Diagnosis and therapy of varicosis. Springer Medicine Publishing House Heidelberg S 10 -31