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The mouth Teeth (caries) Action of Streptococci on dietary sugars Leads to pulpitis and abscess
Oral mucosa Squamous epithelium Subject to infection Herpes virus Candida Hairy leukoplakia (HIV associated – caused by EBV)
Oral cancer Associated with tobacco (chewing) and alcohol Clinical preinvasive lesion (leukoplakia) Squamous carcinoma Poor prognosis unless detected early
Sites of oral cancer Floor of mouth Side of tongue Palate Back 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: Pleomorphic adenoma Warthin’s tumour Malignant: Muco-epidermoid tumour Adenoid cystic carcinoma Adenocarcinoma
Tumours In the bigger glands most tumours are benign More often malignant in minor salivary glands
Pleomorphic adenoma Most common salivary tumour Mucoid “cartilagenous” stroma with epithelial proliferation Prone to local recurrence
Warthin’s tumour Columnar epithelium with lymphoid stroma Benign
Adenoid cystic carcinoma Epithelial cell islands with microcystic change Very locally infiltrative (especially around nerves) but metastasises late
Dr.K.Kuberan M.S Professor of surgery Govt.Royapettah Hospital.
Upper GI quiz PBL 28. Helicobacter infection in the stomach is associated with: a)Gastric carcinoma b)Acute gastric ulceration c)Chronic duodenal ulceration.
Parotid Swellings II Furrat Amen. Neoplasms Epithelial Non epithelial.
WenChen Wang 1. White lesions of the oral mucosa 2. Solitary oral ulcer and fissures 3. Yellow conditions of the oral mucosa 王文岑 高雄醫學大學 牙醫學系 高醫大附設醫院 S.
Kristine Krafts, M.D. | September 30, 2013 Neoplasia II: Tumor Characteristics.
Squamous Cell Carcinoma Incidence 2 nd most common skin cancer – Behind BCC, accounting for 20% skin cancers Due to propensity to metastasise, makes.
An Overview of Oral Medicine. WHAT IS ORAL MEDICINE? The specialty of dentistry concerned with the oral health care of patients with chronic, recurrent.
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Tumors of Intestines. Introduction Overall, colorectal cancer ranks second only to bronchogenic carcinoma among the cancer killers. Overall, colorectal.
口腔診斷學 陳玉昆副教授 : 高雄醫學大學 口腔病理科 ~2755 Mass in the Neck 頸部腫脹.
Lung Cancer The BIG Kahuna among Tumors. Why is Lung Cancer the BIG Kahuna? Number 1 cause of cancer deaths in both men and women now Only major cancer.
DNA tumor virus Associated with premalignant/malignant cervical disease and other cancers Over 100 virus types with various manifestations (common.
Endometrial polyps Dr Shaun Monagle MBBS Definition Benign localised overgrowth of endometrial glands and stroma, covered by epithelium, projecting.
Rashes in pediatrics Shilpa R Singh MD. Measles RNA virus, Paramyxoviridae Family Humans are the only host Incidence declined in 1963 after vaccine Current.
Lecture 4. Primary immune deficiency diseases. Lymphocyte development and sites of block in primary immune deficiency diseases. The affected genes are.
Chapter 4 PART I: Essential Pathology - Mechanisms of Disease Neoplasia Companion site for Molecular Pathology Author: William B. Coleman and Gregory J.
PATHOLOGY OF THE PANCREAS Ismail Matalka, MRCPath Department of Pathology Faculty of Medicine Jordan University of Science & Technology Irbid - Jordan.
Non-neoplastic diseases of oral cavity Dr. Vishal Sharma.
Vulva Neoplasms and common benign lesions Maria Horvat, MD, FACOG.
Clin Med II Infectious Disease Lecture II—Viral Diseases, part 3/3.
Neck Swellings Dr. Vishal Sharma. Neck Triangles.
Body Membranes #1 In your opinion describe what is a membrane? In your opinion describe what is a membrane? In your opinion explain the purpose of a membrane?
Neoplasms. Definitions: Neoplasm New growth No new purpose Tumor Swelling, enlargement, mass.
بسم الله الرحمن الرحيم و قل رب زدنى علماً ﴿ و قل رب زدنى علماً ﴾ صدق الله العظيم.
PROSTATE TUMORS DEPARTMENT OF UROLOGY IAŞI – 2013.
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GI Bleeding in Children Maria Christina H. Ventura, MD, DPPS July 8, 2010.
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