📝 “What are the Pathological Lesions, Cysts, and Tumors of the TMJ?”

8.19.24Quick Review #208 - #pathology #oralpathology #doctorgallagher #oralsurgery #oralsurgeon #dentist #dentistry #dental #TMJ #condyle1. Synovial Chondromatosis: A benign condition involving the formation of cartilaginous nodules within the synovial membrane, which can become loose bodies in the joint space. Clinically, it presents with progressive joint pain, swelling, crepitus, and sometimes mechanical blockage of movement.2. Osteochondroma: A benign tumor arising from bone and cartilage, commonly affecting the mandibular condyle. It may cause painless swelling, altered occlusion, joint deformity, and occasionally pain or dysfunction.3. Osteoma: A benign, slow-growing bone tumor that is often asymptomatic unless it reaches a size that interferes with joint function, potentially leading to painless, hard swelling, limited movement, and facial asymmetry.4. Aneurysmal Bone Cyst (ABC): A benign, expansile cystic lesion filled with blood, typically seen in younger individuals. It can cause rapid expansion, pain, swelling, and sometimes facial deformity.5. Giant Cell Tumor: Typically benign but locally aggressive, this tumor involves multinucleated giant cells and stromal cells. It can cause significant bone destruction, leading to pain, swelling, and potential pathological fractures.6. Chondrosarcoma: A malignant tumor of cartilaginous origin that invades the TMJ, often presenting as a slow-growing but destructive mass, with progressive pain, swelling, facial deformity, and difficulty in joint movement.7. Osteosarcoma: A highly malignant bone tumor that can involve the TMJ or mandibular condyle, characterized by the production of osteoid by malignant cells. It presents as a rapidly enlarging mass with pain, swelling, and potential metastasis, often carrying a poor prognosis if not treated early.8. Synovial Sarcoma: A rare, aggressive soft tissue sarcoma originating from the synovial membrane, which can invade local structures. It presents with pain, swelling, and potential joint dysfunction, often requiring aggressive surgical management.9. Chondroma: A benign tumor composed of mature cartilage, rare in the TMJ but similar to other benign cartilaginous tumors. It typically causes painless swelling and may interfere with joint function if large.10. Epidermoid and Dermoid Cysts: These uncommon cysts in the TMJ region are lined with epithelial cells and can cause slowly enlarging, painless masses, potentially affecting TMJ function depending on their size and location.References:1. Kamble, V., Rawat, J., Kulkarni, A., Pajnigara, N., & Dhok, A. (2016). Osteochondroma of bilateral mandibular condyle with review of literature. Journal of Clinical and Diagnostic Research, 10(8), TD01-TD02.2. Miloro, M., Ghali, G. E., Larsen, P. E., & Waite, P. D. (Eds.). (2022). Peterson’s Principles of Oral and Maxillofacial Surgery (4th ed.). Springer.3. ChatGPT.2024#podcast #podcasts #dentalpodcast #dentalpodcasts #doctorgallagherpodcast #doctorgallagherspodcast #doctor #dentistry #oralsurgery #dental #viral #dentalschool #dentalstudent #omfs #surgeon #doctorlife #dentistlife #residency #oralsurgeon #dentist #doctorgallagher