Recurrence of a spider naevus on the forehead. If the spider naevus is large, a small amount of 6% solution of sodium salicylate in a buffered hydroglycerin vehicle has to be injected into it. After the injection, the operator must compress the vascular formation for a few minutes.

Spider naevus

This recurrent spider naevus was injected with a larger quantity of solution than necessary, which led to necrosis of the artery. Although the spider naevus was completely eliminated and a very good long-term result achieved, this untoward effect must be avoided.

Necrosis of the artery from injection with a larger quantity of solution than necessary

The fine capillaries that radiate from the central vessel are coagulated by Timedsurgery™ with micro- coagulations, working from the periphery toward the centre. Programme data: coagulation with microelectrodes, 7 Watts, 5 hundredths of a second, EM 10 Green electromaniple. Local anaesthesia. The ascending artery is coagulated with is coagulated with a timed® bipolar emission. Programme data: coagulation with microelectrodes, 7 Watts, 35 hundredths of a second, 2 EM 10 Green electromaniples (partially-sleeved).

The operator proceeds from the periphery toward the central vessel, which is not coagulated and therefore remains visible, even if the area becomes oedematous.

The artery, which originates in the subcutaneous tssue, may be coagulated at this depth without producing visible residual scars. A series of bipolar coagulations across the ascending artery completes its electrocoaptation.