(A) Excisional biopsy of a tongue ulcer. (B) Elliptical incisions are made around the lesion, with 2 to 3 mm of normal tissue included. (C) Appearance after the specimen has been removed and the muscle has been sutured. Note that the deep sutures have made an almost linear closure of the mucosa possible. (D) Appearance after mucosal closure. (E) Specimen.