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Oral Pigmentation in Children: A Narrative Review and Practical Diagnostic Framework
Зохиогч
Nursabi Khizatkhan
Uurtuya Shuumarjav
DARIIMAA GANBAT
Он
2026 оны есдүгээр сарын 1
Төрөл
review article
Хэвлэгч
Cureus, Inc.
Journal
Cureus
ISSN
2168-8184
Хураангуй
Oral pigmentation in childhood ranges from common constitutional variants to less frequent reactive, local, medication-related, vascular, genetic, endocrine, and neoplastic disorders.Overlapping clinical appearances can create diagnostic uncertainty, especially when adult-oriented approaches are applied to children.This narrative review presents a pediatric-focused framework for initial evaluation based on five domains: onset and evolution; focal, multifocal, or diffuse distribution; color and surface morphology; blanching or compressibility; and medication, dental, family, environmental, and systemic clues.Longstanding, symmetric, diffuse brown pigmentation without symptoms usually favors constitutional melanin pigmentation.Multifocal lentigines with gastrointestinal, endocrine, skeletal, or family-history findings should prompt targeted evaluation for an underlying syndrome.Blue-gray lesions adjacent to a restoration or trauma site suggest exogenous pigment, whereas red-blue compressible lesions raise concern for a vascular process and should not undergo blind biopsy.Oral melanoacanthoma is an important benign mimic because it may enlarge rapidly and appear clinically alarming.New or changing focal lesions, particularly those showing nodularity, ulceration, spontaneous bleeding, marked asymmetry, irregular borders, color variegation, or diagnostic uncertainty, warrant prompt specialist assessment and histopathologic evaluation when indicated.Pediatric evidence remains limited and consists largely of observational studies, case reports or series, and extrapolation from adult literature; accordingly, the proposed pathway is an evidenceinformed clinical aid rather than a validated prediction rule.A structured history-first approach can support appropriate reassurance, targeted referral, and timely biopsy while minimizing unnecessary intervention for convincingly benign pigmentation.