Sayyiduna Abdullah (may Allah be pleased with him) says that the illness of a man from the Ansar became severe, so they asked the Messenger of Allah (peace and blessings be upon him) about cauterization. He remained silent, then said: "If you wish, heat stones and cauterize him."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الضحايا / 19553