A Rare Clinical Presentation of an Osteochondroma of Coronoid Process of Mandible

Muralee Mohan Choontharu, Sajad Ahmad Buch, G Subhas Babu, Renita Lorina Castelino, Shruthi Rao, Kumuda Rao

Abstract


Osteochondroma (osteocartilaginous exostosis) is one of the most common benign tumors of bone but is rare in the craniofacial region. Only a few cases of osteochondroma of the coronoid process have been reported in the literature, since the time of its discovery (osteochondroma of a coronoid process) by Jacob in 1899. We present a case of osteochondroma of the left coronoid process in a 16-year-old female patient. Contrary to the literature, our patient had no limited mouth opening despite a close approximation of left hyperplastic coronoid process with zygomatic arch, making it a unique case among similar cases. Plain radiography can be used for this hyperplastic condition but due to its inherent distortion and being only two-dimensional (2D) it has a limited diagnostic advantage. Cone beam computed tomography (CBCT) was employed for necessary diagnostic information. We managed our patient with an intraoral coronoidectomy.

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pISSN: 2345-6485                        eISSN: 2345-6418