A case of oral foreign-body granuloma due to diatoms.
cutaneous granuloma
diatom
diatomaceous earth
oral mucosa
silica
Journal
Journal of cutaneous pathology
ISSN: 1600-0560
Titre abrégé: J Cutan Pathol
Pays: United States
ID NLM: 0425124
Informations de publication
Date de publication:
Mar 2021
Mar 2021
Historique:
received:
04
07
2020
revised:
21
10
2020
accepted:
16
11
2020
pubmed:
22
11
2020
medline:
13
10
2021
entrez:
21
11
2020
Statut:
ppublish
Résumé
Diatoms are photosynthetic algae with a siliceous exoskeleton. Diatoms are utilized by a wide array of industries for applications such as filtration and pest control. Unsubstantiated claims have also propelled their societal reach to trendy oral and topical uses. This case highlights a rare case of an oral granuloma secondary to diatoms. An 80-year-old woman presented with a mobile, firm, asymptomatic submucosal mass on her lower left mandibular vestibular mucosa. Histopathology showed a non-caseating granulomatous reaction to diatoms. Her only verified contact with a diatomaceous earth product was a dental impression using alginate after upper front teeth trauma 5 months before. Although there have been several cases of allergic contact dermatitis attributed to diatoms, there are no reported cases of diatom-induced granuloma formation found in the literature. There are, however, ample data on granulomas initiated by silica. Given the silica-based composition of diatoms, and the broad use of diatoms in industry and alternative medicine, it is unclear why diatom-induced granulomas are not more widely described. This report may alert clinicians to the existence of diatom granulomas and incline them to tailor their history to cover questions about possible exposure when evaluating patients presenting with a localized oral lesion.
Substances chimiques
Diatomaceous Earth
61790-53-2
Silicon Dioxide
7631-86-9
Types de publication
Case Reports
Langues
eng
Sous-ensembles de citation
IM
Pagination
429-433Informations de copyright
© 2020 John Wiley & Sons A/S. Published by John Wiley & Sons Ltd.
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