11/01/2017 Prof.hamam 1 . Principles of Oral Diagnosis: Gary C. Coleman John F. Nelson 1st Ed (1993),page 295- 299 • I-White lesions of superficial materials • Pseudomembranous candidiasis • Hyperplastic candidiasis • (white lesion of epithelial thickning ) • • • • • • • Angular chelitis Chemical mucosal burns Oral ulcers II- White lesions of submucosal change Fordyces granules Scar Submucous fibrosis 11/01/2017 Prof.hamam 2 I-WHITE LESIONS OF SUPERFICIAL MATERIAL 11/01/2017 Prof.hamam 3 Opaque and rough or grainy. • White material, soft or friable and • rubbing an ulcer or erythematous Frequent burning & discomfort • sensation.(food remnants, a dense accumulation of materia alba, or plaque painless, mucosa appears normal. 11/01/2017 Prof.hamam 4 • The differential diagnosis is simple after removal of the white material • ( white surface coagulum ).therefore the differential diagnosis shifts to the ulcerative lesions category . 11/01/2017 Prof.hamam 5 1-Pseudomembranous Candidiasis Acute superficial mucosal infection. • Infants & immune compromised. • systemic corticosteroid therapy, • chemotherapy, AIDS, or acute debilitating illness. 11/01/2017 Prof.hamam 6 Clinical features Diffuse, patchy, or globular white • thickened plaques. Tongue, soft palate & buccal • mucosa. Can be wiped off erythematous, • atrophic, or, ulcerated mucosa. Mild burning pain severe when • coagulum scraped. 11/01/2017 Prof.hamam 7 Pseudomembranous • Prof.hamam 11/01/2017 8 Thrush White patch and flecks that rubbed off(patient complained of a burning mouth ) 11/01/2017 More extensive pseudomembranous lesions associated with erythematous base Prof.hamam 9 Differential diagnosis C.F + resistance diagnosis. • Chemical burns (white fibrinoid • surface thinner and delicate , more focal + pt. HX. ) 11/01/2017 Prof.hamam 10 Management Culture or exfoliative cytology. • Spread to orophayngeal and • esophageal surfaces. Medical referral. • 11/01/2017 Prof.hamam 11 2-Hyperplastic Candidiasis. (White lesions of epithelial thickening ) • Superficial infection of the oral mucosa by the fungus Candida albicans and less common species of the same genus. • * Predisposing factors, • ( poor oral hygiene,xerostomia,recent antibiotic treatment,dental appliance,) * Compromised Immune system. ( early infancy,AIDS,corticosteroid,anemia,diabetes mellitus,) 11/01/2017 Prof.hamam 12 Hyperplastic candidiasis Epithelial thickening that do not rub • off. • Pseudomembranous candidiasis. • Atrophic candidiasis. Chronic infection,red patch thined→red lesion Angular chilitis: labial commissures • (non healing fissures). 11/01/2017 Prof.hamam 13 Chronic Hyperplastic Candidosis ( candidal leukoplakia ) • It appears as a thick,white leathery plaque of irregular thickness with rough surface (identical leukoplakia clinically ) The white patch is seen as triangular • patch on buccal mucosa , lip commissure Bilateral distribution • In some cases erythematous areas are • located within the white patch ( producing feature of speckled leukoplakia ) Candidal leukoplakia is often associated • with angular cheilitis 11/01/2017 Prof.hamam 14 Candidal leukoplakia a chronic form of candidiasis in which firm red white plaques form In the cheek 11/01/2017 In the palate opposite a tongue lesions ( kissing lesions Prof.hamam 15 Chronic hyperplastic candidasis. 11/01/2017 Prof.hamam Chronic hyperplastic candidasis presenting as multiple wartilke growths on the patient’s lower 16 lip 11/01/2017 Prof.hamam 17 3-angular cheilitis labial commissures • characterized by nonhealing • fissures two, three, or even all four forms. • 11/01/2017 Prof.hamam 18 11/01/2017 Prof.hamam 19 11/01/2017 Prof.hamam 20 Clinical features Hyperplastic candidiasis • multiple or diffuse variably thick, • patchy, do not rub off vague borders tongue. • Other forms • Hyperplastic most resistance. • vaginal itching and discharge • indicative of vaginal candidiasis. 11/01/2017 Prof.hamam 21 Differential diagnosis The combination and underlying • condition (resistance). Lichen planus-striae & skin • lesions. Hairy leukoplakia treatment no • response ?? other lesion. 11/01/2017 Prof.hamam 22 Management decisions A working diagnosis • exolifative cytology • culture. • Topical antifungal -1 week. • Resistant systemic antimycotic. • Clean mucosa brush or scrap • Dentures 1/2 teaspoon of bleach in 1 • cup or in topical antimycotic Medical referral. • 11/01/2017 Prof.hamam 23 4-chemical Mucosal Burns corrosive chemicals( aspirin tablet. Iatrogenic • chemical injury ) Wiped away painful central ulceration. • Thin, membranous appearance Adherent patches on periphery. The lesions may be categorized as ulcerative rather than white if the superficial white material has been abraded away before examination Pt. HX. Differential diagnosis Diffuse & multifocal candidiasis. Treatment :- remove the cause 11/01/2017 • Prof.hamam 24 11/01/2017 Prof.hamam 25 11/01/2017 Prof.hamam 26 11/01/2017 Prof.hamam 27 11/01/2017 Prof.hamam 28 11/01/2017 Prof.hamam 29 11/01/2017 Prof.hamam 30 5-Oral Ulcers white superficial fibrinoid • coagulum. Bulla( separation of the epithelium • from the connective tissue ) Wiped away • 11/01/2017 Prof.hamam 31 11/01/2017 Prof.hamam 32 11/01/2017 Prof.hamam 33 11/01/2017 Prof.hamam 34 11/01/2017 Prof.hamam 35 11/01/2017 Prof.hamam 36 11/01/2017 Prof.hamam 37 11/01/2017 Prof.hamam 38 11/01/2017 Prof.hamam 39 11/01/2017 Prof.hamam 40 Differential diagnosis Epithelial thickening. • Candidiasis. • Chemical burn. • Clinically :- -------- • 11/01/2017 Prof.hamam 41 II-WHITE LESIONS OF SUBMUCOSAL CHANGE It appear pale because the normally vascular mucosal connective tissue has been replaced by less vascular tissue . Smooth, translucent, don't rub off Non painful Fordyce granules, scarring,submucous 11/01/2017 Prof.hamam fibrosis 42 1-Fordyce Granules Ectopic Sebaceous glands located • within the oral mucosa ( variation of normal ). Increase in prominence with age. • Buccal, labial mucosa • Treatment , no treatment or follow • up. Clinically ,,,,,,,,,,,, • 11/01/2017 Prof.hamam 43 11/01/2017 Prof.hamam Fordyce’s granules on the buccal mucosa 44 Clinical features. Small (1 to 2 mm) • ovoid yellowish-white • Bilaterally symmetric distribution . • Differential diagnosis Characteristic appearance • Management: No treatment or observation. • 11/01/2017 Prof.hamam 45 2-Scar Healing and repair of soft tissue • injuries with dense collagenous connective tissue or scar often produces a pale appearance as compared with adjacent, normal tissues. ( ?The hard palate and gingiva). 11/01/2017 Prof.hamam 46 Clinical features. Focal, homogeneous, pale, smooth and • sharply delineated borders. No pain, or other symptoms. • Pit or fissure depressions ( if the injury or • surgical procedure resulted in poor tissue apposition ) Stellate pattern of pale lines radiating • from the depression between the tonsillar pillars that represent healing follwing a tonsillectomy . 11/01/2017 Prof.hamam 47 Differential diagnosis. Submucous fibrosis • Management None or observation. • 11/01/2017 Prof.hamam 48 3-Submucous Fibrosis Generalized fibrosis of the • connective tissue of the oral mucosa in response to habitual chewing of betal nut & spices India & southeast Asia . • 11/01/2017 Prof.hamam 49 Clinical features. Generalized yellow- to white • discoloration. Smooth surface • Intensity of the color vary. • Loss of elasticity & firmness. • Soft palate and buccal mucosa. • Severe trismus • HX. oral habits. • 11/01/2017 Prof.hamam 50 Generalized oral mucosal fibrosis and history of the oral habit confirm the diagnosis 11/01/2017 Prof.hamam 51 Differential diagnosis. systemic sclerosis, • Radiotherapy. • Management Discontinue habit, • Fibrosis is irreversible. • Stretching exercises +corticosteroid • clinical reexamination.( is mandatory because approximately one third eventually develop squamous cell carcinoma ) 11/01/2017 Prof.hamam • 52
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