eng Science and Education Publishing Oral Surgery, Oral Medicine, Oral Radiology 2333-1259 2014-12-22 2 2 21 22 10.12691/oral-2-2-4 ORAL2014224 article Khurshid A Mattoo drkamattoo@rediffmail.com 1 Manas Singh 2 Vishwadeepak Singh 3 Department of Prosthodontics, College of dentistry, Jazan University, Jazan, (KSA) Department of Prosthodontics, Ideas dental college, Bareilly, India Department of Prosthodontics, Teerthankar Mahaveer University, Moradabad, India Keratoacanthoma (KA) is a benign proliferative lesion of the skin that frequently occurs on sun exposed areas like the face and extremities. Originating within the sebaceous apparatus of the skin, the tumor can be difficult to differentiate from a well differentiated squamous cell carcinoma (SCC). Although the tumor has been reported to occur on the lower lip, this article presents a unique and rare case of keratoacanthoma involving the maxillary lip. The behavior of such tumor and its management has also been discussed. http://pubs.sciepub.com/oral/2/2/4/oral-2-2-4.pdf appendages hair follicle keratin epithelium biopsy muco-cutaneous junction