frictional keratosis clinical features

It could also arise from excess deposit of keratin due to a process called hyperkeratinization. that can be diagnosed frictional keratosis and get rid of suspicion of leukoplakia. 13 (1):16-24. . FRICTIONAL KERATOSIS; Frictional keratosis is a white, keratotic lesion due to chronic mechanical irritation caused by sharp edges of teeth or restorations, dental prosthesis, abrasive foods, vigorous tooth brushing, and playing wind instruments. White lesions such as linea alba, leukoedema, and frictional keratosis are common in the oral cavity but have no propensity for malignant transformation. Leukoplakias may have similar clinical appearances, Bouquot JE, Gorlin RJ. Clinical Features Incidence Frictional keratosis is a common oral lesion due to trauma. Material and methods: The 23 biopsy samples of ARK were selected and pathological features were revised (keratosis, acanthosis, surface architecture, and inflammation). Oral leukoplakia may be asymptomatic or display a benign clinical appearance making it difficult for the aEmeritus Professor, King's College London, UK. Leukoedema: Abnormality of the Buccal Mucosa which clinically resembles Leukoplakia . In some cases, clinical features are not sufficient to diagnose a lesion without histopathology. The clinical key for diagnosis of frictional keratosis is accordance of the suspected lesion to the site of chronic mechanical trauma. ridge keratosis (5) and frictional keratosis of the buccal gingiva are other examples (6). Head Neck Pathol. Lichenoid keratosis are solitary lesion in 90% of the cases and found on sun exposed areas. Clinical and histologic features and the symptoms and progression of these lesions were carefully assessed. Schwartz Z, Magro C, Nuovo G. The molecular-based differentiation of Heck's disease from its mimics including oral condyloma and white sponge nevus. Clinical features: Leukoplakia ( Fig. The histologic features of frictional keratosis from the tongue, lip or buccal mucosa vary slightly depending on the site of the biopsy. Head Neck Pathol. It ranges from thin, grayish and translucent to rough, white to . Answer C is an essential feature of actinic keratosis as it has well established its link in the development of squamous cell carcinoma either in the classical or differentiated pathways. 2019;13:16-24. Frictional keratosis presents as diffuse, white plaques, pale-translucent to dense, white, and irregular. Conclusion Frictional keratosis can affect patients of any age with no gender predilection. Frictional keratosis should be di# erenti-ated from oral precancers. Frictional keratosis is frequently associated with rough or maladjusted dentures and with sharp cusps and edges of broken teeth. The teeth are often stained from the tobacco exposure. In some cases, clinical features are not sufficient to diagnose a lesion without histopathology. The aim of this retrospective study is to present the clinicopathological features of 23 consecutive cases of ARK. tory, clinical description and microscopic features, appeared to represent lichen planus or other potential lichenoid conditions (for example, lichenoid drug eruption or lichenoid reaction to amalgam). 13 (1):16-24. . Clinically, ARK features a hyperkeratotic plaque or patch occurring on the alveolar edentulous ridge or on the retromolar trigone pad, believed to be caused by chronic frictional trauma (e.g. Muller S. Frictional keratosis, contact keratosis and smokeless tobacco keratosis: Features of reactive white lesions of the oral mucosa. Age No age predilection. clinical; the white appearance disappears if the mucosa is stretched. Key words In the following table is a detailed list of the most relevant white lesions and disorders which should be excluded prior to making a clinical diagnosis of oral leukoplakia (Table 5). 2019 Mar. Clinical and histopathological evaluation of the white lesions still needs improvement. Head Neck Pathol. Clinical features of frictional keratosis in patients (A) 5, (B) 7, and (C) 11, and (D) leukoplakia located on the attached facial gingival mucosa. clinical features of these white and red lesions, how to distinguish between them, and how to manage them. Muller S. Frictional keratosis, contact keratosis and smokeless tobacco keratosis: Features of reactive white lesions of the oral mucosa. Prevalence increases rapidly with age, especially for males, and as many as 8% of men older than 70 years are a# ected 1b). Frictional Keratosis, Not a Leukoplakia Sook-Bin Woo, DMD,* and Dorothy Lin† Purpose: Morsicatio mucosae oris (MMO) presents as white papules and plaques that may resemble leukoplakia, and are often biopsied. No treatment is available or required. AU Woo SB, Lin D SO J Oral Maxillofac Surg. 13 (1):16-24. . Malignant transformation occurred in 11/51 patients (21.5%). Initial clinical diagnoses were frictional keratoses (n = 4), Leukoplakia (n = 17) and lichen planus (n = 30). PURPOSE Morsicatio mucosae oris (MMO) presents as white papules and plaques that may resemble leukoplakia, and are often biopsied. Non correlating cases might be due to the fact that few white lesions have overlapping clinical features like frictional keratosis and leukoplakia, lichen planus and lichenoid reaction etc. . Leukoplakia, lichen planus, and other oral keratoses in 23,616 white Americans over the age of 35 years. Frictional Keratosis adminsos 26th October 2011 Frictional keratosis is a skin growth that can result from mild mechanical trauma or irritation of the skin. - When an aetiologic factor is found (e.g. Head Neck Pathol. In contrast to clinical basis, histo pathologically, the classification of white patches depends on the microscopical Head Neck Pathol. This excludes lesions such as lichen planus, candidiasis, leukoedema, and obvious frictional keratosis. In this case, a provisional clinical diagnosis of frictional keratosis was made due to the absence of relevant medical history. Conclusion: clinical features and frictional keratosis predisposing factors are similar to leukoplakia, dentists must be more careful and detailed in dealing with cases like this. This case series discusses the five different entities: Traumatic ulcer, frictional keratosis, traumatic fibroma, mucocele, and angina bullosa hemorrhagica. features, such as clinical and molecular parameters, must be taken into account. Head Neck Pathol 2019; 13: 16-24. 1 Given the high-risk nature of some white patches, it is important to perform a thorough history and examination.A surgical sieve approach can then be used to classify the lesions . The etiology, clinical features, and management of each of these lesions are discussed. The microscopic criteria we considered Müller S. Frictional keratosis, contact keratosis and smokeless tobacco keratosis: features of reactive white lesions of the oral mucosa. malignancy. Frictional keratosis is easily identified by clinicians, and may not require a biopsy in every case. Clinical features The appearances of smoker's keratosis are distinctive in that the palate is affected, but any part protected by a denture is spared. The etiology for frictional keratosis is habitual cheek biting, orthodontic appliance, ill-fitting denture, broken cusp, rough edges of a carious tooth or maligned teeth. White patches of the oral mucosa are common and may represent a benign disorder (e.g. 494 September 2002, Vol. 2019;13:25-32. 5.1) is not a histologic diagnosis. Yet anoth- a Clinical features of proliferative verrucous leukoplakia in a 76-year-old non-smoking female. Morsicatio mucosae oris--a chronic oral frictional keratosis, not a leukoplakia. 44.2) Keywords: frictional keratosis, leukoplakia, chronic trauma LPENDAHULUAN The objective of this study is to document the clinical features and . Müller S. Frictional keratosis, contact keratosis and smokeless tobacco keratosis: features of reactive white lesions of the oral mucosa. squamous cell carcinoma). Hellstein JW, Marek CL. It progresses slowly. RESULTS The presence of oral frictional keratosis located exclusively on the facial attached gingival mucosa was clinically and immunohistologically diagnosed in 14 of 159 patients (8.8%). 8 Journal of the Canadian Dental Association C LINICALP RACTICE L ichen planus is a relatively common disorder, esti-mated to affect 0.5% to 2.0% of the general popula-tion.1 It is a chronic, inflammatory disease that affects mucosal and cutaneous tissues. 2019 Mar. Results: The presence of oral frictional keratosis located exclusively on the facial attached gingival mucosa was clinically and immunohistologically diagnosed in 14 of 159 patients (8.8%). Clinical features are at first a patch which is pale translucent later it becomes dense and white, mostly they occur in Epithelial dysplasia was reported in the initial biopsy in 12 cases and lichen planus/lichenoid features in 22 cases (22/51; 43%). or through history taking (e.g., self-inflicted trauma) [14,20]. 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