Osseous Choriostoma of the Upper Lip

• Main Authors: Ashwin -Chandra Veni, Kannan Asokan, Krithika-Chndrasekar Sekar, Parimala D, Kanmani Shanmuga-sundaram, Yesoda Aniyan
• Format: Article
• Language: English
• Published: Mashhad University of Medical Sciences 2020-07-01
• Series: Iranian Journal of Otorhinolaryngology
• Subjects: choriostoma; mature bone; osseous choriostoma; osteocytes
• Online Access: https://ijorl.mums.ac.ir/article_16030_c79242f0d3bec5b136ed2547de71547c.pdf

Introduction: Choristoma is a non-neoplastic growth of normal tissues in non-indigenous site of origin. Osseous Choristoma is an ectopic bone formation which is a rare entity with 72 cases has been reported in the tongue, 15 cases in the buccal mucosa, 1 case in the lower lip.   Case Report: A 43 year old male patient experienced a mild, intermittent, dull aching type in the upper lip. An excisional biopsy was done by placing a single incision under local anesthesia. To our knowledge case is first to be reported in the upper lip as a result of reactive pathogenesis.  Conclusion: As per literature, surgical excision is the treatment of choice for osseous Choristoma. Malignant transformation has not been reported yet.