Diathermocoagulation is a medical–surgical technique that uses high-frequency electrical current to destroy small, well-defined skin areas while simultaneously coagulating local vessels through a controlled thermal effect. It is performed with an electrosurgical unit: a small active electrode is applied directly to the lesion, while a large return electrode completes the circuit safely.
In dermatology, diathermocoagulation is used to treat selected benign lesions that do not always require histological examination, such as seborrhoeic keratoses, common and senile warts, condylomas, cherry and spider angiomas, superficial ectatic veins, skin tags, small cutaneous horns, milia and some very superficial naevi in suitable locations.
Therapeutic perspectives
At MAVIT, diathermocoagulation is recommended only after dermatologic assessment, to confirm the benign nature of the lesion and the indication for this approach. The procedure is performed on an outpatient basis, under local anaesthesia when needed, with immediate haemostasis and generally fast recovery. The goal is to remove small, bothersome skin lesions quickly and precisely, while minimising visible scarring and integrating the procedure, when appropriate, into a broader dermatologic or aesthetic treatment plan.
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