Dermatology: Practical and Conceptual Image Letter | Dermatol Pract Concept 2020;10(1):e2020020 1 Dermatology Practical & Conceptual Case Presentation An otherwise healthy 20-year-old man presented to the emer- gency department with a 5-day history of low-grade fever and malaise, followed by the appearance of painful lesions on his tongue. Physical examination revealed marked alterations of the tongue (Figure 1), including hyperplasia of fungiform papillae on the tip, white hairy tongue on the dorsum, fissured tongue on the lateral borders, and multiple small, coalescing ulcerations with scalloped borders and erythematous rim. Only 1 similar erosion was found on the lower lip and 1 on the hard palate, and gingivae were spared. Polymerase chain reaction of an ulcer swab was positive for herpes simplex virus, type 1, allowing the diagnosis of an atypical form of herpetic gingivostomatitis. Teaching Point Herpesvirus family has a broad spectrum of mucocutaneous manifestations. Multiple oral ulcerations with scalloped bor- ders should raise the suspicion of herpetic gingivostomatitis, even if typical involvement of keratinized mucosa is absent. Catastrophic Tongue Juan Jimenez-Cauhe,1 Sandra Dominguez-Carames,2 Daniel Ortega-Quijano,1 Diego Fernandez-Nieto1 1 Servicio de Dermatología, Hospital Universitario Ramon y Cajal, IRYCIS, Madrid, Spain 2 Servicio de Otorrinolaringología, Hospital Universitario Ramon y Cajal, IRYCIS, Madrid, Spain Key words: herpesvirus, oral ulcers, gingivostomatitis, tongue Citation: Jimenez-Cauhe J, Dominguez-Carames S, Ortega-Quijano D, Fernandez-Nieto D. Catastrophic tongue. Dermatol Pract Concept. 2020;10(1):e2020020. DOI: https://doi.org/10.5826/dpc.1001a20 Accepted: August 22, 2019; Published: December 31, 2019 Copyright: ©2019 Jimenez-Cauhe et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Funding: None. Competing interests: The authors have no conflicts of interest to disclose. Authorship: All authors have contributed significantly to this publication. Corresponding author: Juan Jimenez-Cauhe, MD, Dermatology Department, Ramon y Cajal University Hospital. Carretera Colmenar Viejo km 9.100, 28034 Madrid, Spain. Email: jjimenezc92@gmail.com Figure 1. Clinical image showing hyperplasia of fungiform papillae on the tip, white hairy tongue on the dorsum, fissured tongue on the lateral borders, and multiple small, coalescing ulcerations with scal- loped borders and erythematous rim. A B mailto:jjimenezc92@gmail.com