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Oral lichenoid mucositis — Clinical Guidelines

Overview

Oral lichenoid mucositis is a condition characterized by clinical and histological features resembling lichen planus but without the typical immunopathogenesis, often associated with chronic irritation or certain medications. 19

Diagnosis

Clinical Presentation: Presence of well-demarcated, atrophic, and erosive lesions in the oral mucosa.

Histopathology: Interface dermatitis with basal cell degeneration, lymphocytic infiltration, and Civatte bodies.

Differential Diagnosis: Exclude other causes of oral mucosal lesions such as infections, nutritional deficiencies, and other inflammatory conditions.

Patch Testing: Consider in cases where an exogenous trigger is suspected.

Biopsy: Essential for definitive diagnosis, especially to rule out other lichenoid reactions.

Exclusion of Irritants: Evaluate and eliminate potential irritants or causative medications. 19

Management

Symptom Relief: Topical corticosteroids (e.g., fluocinonide) for reducing inflammation.

Protective Measures: Use of oral mucosa protective formulations (e.g., Episil® oral liquid) to prevent further irritation.

Pain Management: Methylene blue oral rinse for intractable pain relief (dose specifics not provided).

Avoidance of Triggers: Identify and avoid potential irritants or causative agents.

Supportive Care: Maintain good oral hygiene and nutritional support to manage symptoms and prevent complications.

Monitoring: Regular follow-up to assess response to treatment and adjust as necessary. 7 8 9

Special Populations

Pediatrics: High incidence of chemotherapy-induced oral mucositis (up to 91.5%) necessitates careful monitoring and supportive care to minimize impact on quality of life. 4

Comorbidities: No specific guidance provided in abstracts for managing oral lichenoid mucositis in the presence of comorbidities, though general supportive care principles apply.

Key Recommendations

Biopsy for Definitive Diagnosis: Perform histopathological examination to confirm diagnosis and rule out other conditions. (Evidence: Moderate 19)

Use of Topical Corticosteroids: Employ topical corticosteroids for managing inflammation and symptoms. (Evidence: Moderate 19)

Evaluate and Eliminate Irritants: Systematically identify and remove potential oral irritants or causative medications. (Evidence: Expert opinion)

Supportive Formulations: Consider using protective oral mucosa formulations to prevent further damage. (Evidence: Moderate 7)

Pain Management with Methylene Blue: Utilize methylene blue oral rinse for managing intractable pain, though specific dosing should be individualized. (Evidence: Weak 8 9)

References

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Analysis of suspected adverse reactions to food supplements containing beehive products: an update from the Italian Phytovigilance System. Annali dell'Istituto superiore di sanita 2024. link 6 Stefanizzi P, Ferorelli D, Scazzi FL, Di Lorenzo A, Martinelli A, Trinchera C et al.. Allergic adverse events following immunization: Data from post-marketing surveillance in Apulia region (South of Italy). Frontiers in immunology 2023. link 7 Ueno T, Yatsuoka W, Ishiki H, Miyano K, Uezono Y. Effects of an oral mucosa protective formulation on chemotherapy- and/or radiotherapy-induced oral mucositis: a prospective study. BMC cancer 2022. link 8 Roldan CJ, Huh B, Song J, Nieto Y, Osei J, Chai T et al.. Methylene blue for intractable pain from oral mucositis related to cancer treatment: a randomized phase 2 clinical trial. BMC medicine 2022. link 9 Roldan CJ, Chung M, Feng L, Bruera E. Methylene Blue for the Treatment of Intractable Pain From Oral Mucositis Related to Cancer Treatment: An Uncontrolled Cohort. Journal of the National Comprehensive Cancer Network : JNCCN 2021. link 10 Nagaoka H, Momo K, Hamano J, Miyaji T, Oyamada S, Kawaguchi T et al.. Effects of an Indomethacin Oral Spray on Pain Due to Oral Mucositis in Cancer Patients Treated With Radiotherapy and Chemotherapy: A Double-Blind, Randomized, Placebo-Controlled Trial (JORTC-PAL04). Journal of pain and symptom management 2021. link 11 Hindelang B, Aguirre J, Berezhnoi A, He H, Eyerich K, Ntziachristos V et al.. Optoacoustic mesoscopy shows potential to increase accuracy of allergy patch testing. Contact dermatitis 2020. link 12 Herr AC, Biedermann T, Brockow K. [Allergic emergencies]. Der Hautarzt; Zeitschrift fur Dermatologie, Venerologie, und verwandte Gebiete 2018. link 13 Dai JC, Brisbane WG, Chang HC, Hsi RS, Harper JD. 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Oral lichenoid mucositis