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The mouth Teeth (caries) Action of Streptococci on dietary sugarsLeads to pulpitis and abscess
Oral mucosa Squamous epithelium Subject to infection Herpes virusCandida Hairy leukoplakia (HIV associated – caused by EBV)
Oral cancer Associated with tobacco (chewing) and alcoholClinical preinvasive lesion (leukoplakia) Squamous carcinoma Poor prognosis unless detected early
Sites of oral cancer Floor of mouth Side of tongue PalateBack of tongue
“Field cancerisation”High rate of multifocal tumour 5 year survivor has a 35% chance of developing a new primary tumour
Salivary glands Sialadenitis Viral (mumps) Bacterial, associated with:Dry mouth Duct obstruction by stones
Salivary tumours Benign: Malignant: Pleomorphic adenomaWarthin’s tumour Malignant: Muco-epidermoid tumour Adenoid cystic carcinoma Adenocarcinoma
Tumours In the bigger glands most tumours are benignMore often malignant in minor salivary glands
Pleomorphic adenoma Most common salivary tumourMucoid “cartilagenous” stroma with epithelial proliferation Prone to local recurrence
Warthin’s tumour Columnar epithelium with lymphoid stroma Benign
Adenoid cystic carcinomaEpithelial cell islands with microcystic change Very locally infiltrative (especially around nerves) but metastasises late
Upper GI quiz PBL 28.
Parotid Swellings II Furrat Amen. Neoplasms Epithelial Non epithelial.
Tumours of the Jaws. Malignant Tumors Tumor: –Is a mass of cells, tissues or organs resembling those normally present but arranged atypically and behave.
Ref: Maxillofacial Imaging ,T A Larheim , P L Westesson 2006
Dr.Farahnaz Bidari Robbins
ORAL LESION Prof. Hesham Saad. Objectives Inflammatory & reactive conditions - Candidiasis - Herpes simplex - Aphthous ulcer - Pyogenic granuloma - Epulis.
Tobacco –Related Lesions Oral Medicine Block
Module 3 Clinical Manifestations. Introduction Intraoral cancers occur most frequently on the: Tongue Floor of the mouth Soft palate and Oropharynx.
Indications for adjuvant radiation therapy with or without lymph nodes in salivary gland cancer Claus Rödel Department of Radiation Therapy University.
Head and Neck Conditions
Disorders of the salivary glands
Tumors and Tumor-like Lesions
HEAD AND NECK. Oral Cavity Teeth and supporting structures Caries Gingivitis Periodontitis Inflammatory/ reactive tumor-like lesions Fibrous proliferative.
1 Detecting Oral Cancer A guide for health care professionals U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES NATIONAL INSTITUTES OF HEALTH National Institute.
By – Pradeep Jaiswal Group no Parotitis Salivary gland infections are viral or bacterial infections of the saliva-producing glands. There are three.
Most people have heard of cancer affecting parts of the body such as lungs or breasts however,cancer can occur in the mouth, where the disease can effect.
Oral Cavity Pathology Last Updated: Oct. 3, 2006.
Salivary Gland Diseases
Salivary Gland disease Andrew McCombe. Anatomy Major – Parotid – Sub-mandibular – Sub-lingual Minor – Oral cavity – Palate – Uvula.
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