Chondrosarcoma is a rare malignant cartilaginous tumor of the head and neck region. It is a slow-growing tumor and is mostly detected in the anterior maxilla and the base of the skull. We report a case of "Grade II Chondrosarcoma" of the posterior right side of the palate invading maxillary sinus and perforating the floor of the orbit.
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http://dx.doi.org/10.4103/jomfp.JOMFP_169_15 | DOI Listing |
Int J Surg Case Rep
January 2025
Faculty of Medicine, University of Damascus, Damascus, Syrian Arab Republic.
Introduction: Mesenchymal chondrosarcoma (MC) is a high-grade variant of chondrosarcoma, essentially composed of poorly differentiated spindle cells interspersed with areas of cartilage or chondroid matrix. MC is extremely rare; it only accounts for 0.1 % of head and neck tumors and for only 1 % of all chondrosarcomas (CSs).
View Article and Find Full Text PDFJ Stomatol Oral Maxillofac Surg
September 2024
Department of Oral Pathology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China; College of Stomatology, Shanghai Jiao Tong University, National Clinical Research Center for Oral Disease, Shanghai 200011, China; Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai 200011, China. Electronic address:
World Neurosurg
December 2024
Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota, USA; Rhoton Neurosurgery and Otolaryngology Surgical Anatomy Program, Rochester, Minnesota, USA; Department of Otolaryngology/Head and Neck Surgery, Mayo Clinic, Rochester, Minnesota, USA.
The contralateral transmaxillary corridor improves access to anterior petrous apex lesions back to the level of the internal auditory canal without the need to mobilize the paraclival internal carotid artery. In this Video 1, we present the case of 31-year-old female patient who presented with new left abducens palsy during pregnancy. Imaging revealed a heterogeneous enhancing extradural mass within the left petrous apex region extending posterior to the horizontal segment of the petrous internal carotid artery, consistent with chondrosarcoma.
View Article and Find Full Text PDFJ Vet Diagn Invest
November 2024
Departments of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL, USA.
A 14-y-old intact female llama () was presented for evaluation of a right maxillary swelling of 3-mo duration. Clinically, the animal had mild nasal discharge, abnormal retropulsion of the right eye, and moderate gingival disease. An incisional biopsy of the maxillary mass revealed pleomorphic and mitotically active neoplastic spindle-to-stellate cells organized in haphazard lacunae embedded in abundant chondroid matrix.
View Article and Find Full Text PDFEar Nose Throat J
April 2024
Department of Ear, Nose, Throat and Head and Neck Surgery, Farhat Hached University Hospital, Sousse, Tunisia.
Chondrosarcomas are slow-growing malignant tumors that originate in cartilaginous structures. They typically manifest in the head and neck region, with a preference for the maxillofacial skeleton, particularly the mandible and maxilla. However, chondrosarcoma of the sinonasal tract is exceptionally rare, and only few cases have been reported.
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