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Review
. 2021 Mar;152(3):202-208.
doi: 10.1016/j.adaj.2020.11.014. Epub 2020 Dec 9.

Oral manifestations of COVID-2019-related multisystem inflammatory syndrome in children: a review of 47 pediatric patients

Steven Halepas, Kevin C Lee, Aaron Myers, Richard K Yoon, Wendy Chung, Scott M Peters
Review

Oral manifestations of COVID-2019-related multisystem inflammatory syndrome in children: a review of 47 pediatric patients

Steven Halepas et al. J Am Dent Assoc. 2021 Mar.

Abstract

Background: Although much is still unknown about the full effects of COVID-19, literature from the early stages of the COVID-19 pandemic (spring and summer 2020) supports a postviral immunologic reaction resulting in a multisystem inflammatory syndrome in children (MIS-C). The purpose of this study was to report the rates of documented oral and oropharyngeal manifestations among these patients and to determine the association of these findings with other MIS-C symptoms.

Methods: The authors conducted a retrospective review of pediatric patients with COVID-19 who were admitted to the Morgan Stanley Children's Hospital of NewYork-Presbyterian. Patients fulfilling the Centers for Disease Control and Prevention criteria for MIS-C were included in this study. The documented signs, symptoms, and laboratory values were collected and compared with the presence of oral or oropharyngeal findings.

Results: The mean (standard deviation) age of MIS-C patients was 9.0 (5.0) years (range, 1.3-20.0 years), and there was no obvious sex difference (51.1% male, 48.9% female). With respect to oral findings, 23 patients (48.9%) had red or swollen lips, whereas only 5 (10.6%) had a strawberry tongue. Oral or oropharyngeal findings were associated significantly with the presence of systemic rash (P = .04) and conjunctivitis (P = .02).

Conclusions: The presence of oral or oropharyngeal changes may be an early indicator of MIS-C and should be considered suggestive of MIS-C in the setting of COVID-19 infection.

Practical implications: Dental care providers may play an integral role both in the early detection of oral manifestations of MIS-C and in the identification of oral lesions in hospitalized patients with confirmed MIS-C.

Keywords: COVID-19; Kawasaki disease; MIS-C; multisystem inflammatory syndrome in children; pandemic; strawberry tongue.

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Figures

Figure
Figure
Clinical photographs of red strawberry tongue appearing as hyperplastic papilla against an erythematous dorsal tongue (A) and white strawberry tongue (B) manifesting as hyperplastic papilla against a white coating of the dorsal tongue.
See this image and copyright information in PMC

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Supplementary concepts