Clinicopathologic analysis of oral dermoid and epidermoid cysts: a Brazilian multicenter study

CUNHA, John Lennon Silva; ANDRADE, Allany de Oliveira; CAVALCANTE, Israel Leal; BARROS, Caio César da Silva; SOUSA NETO, Sebastião Silvério de; BARROS, Joyce Magalhães de; LEITE, Larissa Sandy da Silva; FÉLIX, Fernanda Aragão; TURATTI, Eveline; CARVALHO, Francisco Samuel Rodrigues; SOUSA, Sílvia Ferreira de; MENDONÇA, Elismauro Francisco de; ANBINDER, Ana Lia; PIRES, Fábio Ramoa; ALVES, Pollianna Muniz; NONAKA, Cassiano Francisco Weege; ANDRADE, Bruno Augusto Benevenuto de

doi:10.1590/1807-3107bor-2023.vol37.0107

Braz. oral res.

2023

DOI: 10.1590/1807-3107bor-2023.vol37.0107

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Clinicopathologic analysis of oral dermoid and epidermoid cysts: a Brazilian multicenter study

John Lennon Silva CUNHA,

Allany de Oliveira ANDRADE,

Israel Leal CAVALCANTE

et al.

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2024

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Intratarsal Keratinous Cyst Clinically Misdiagnosed as a Chalazion

Cunha,

Andrade,

da Cunha Filho

et al. 2024

Dermatopathology

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The intratarsal keratinous cyst (IKC) is a recently described entity, often clinically misdiagnosed as a chalazion. We report a case of a 61-year-old male patient with a chief complaint of a small lesion on the upper eyelid that evolved over six months. On physical examination, an asymptomatic, firm nodule was identified on the left upper eyelid. The patient reported no history of trauma. A provisional diagnosis of chalazion was established, and an excisional biopsy was performed. Histopathologically, the lesion was lined with a stratified squamous epithelium, with a corrugated epithelial surface showing abrupt keratinization without keratohyalin granules, and compact keratinous-appearing material in the cystic lumen. The diagnosis was IKC. No signs of recurrence were observed after one year of follow-up. It is essential to accurately diagnose IKC and distinguish it from chalazion and epidermal inclusion cysts, because IKC requires complete surgical excision and can exhibit multiple recurrences if not properly removed.

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Intratarsal Keratinous Cyst Clinically Misdiagnosed as a Chalazion

Cunha,

Andrade,

da Cunha Filho

et al. 2024

Dermatopathology

View full text Add to dashboard Cite

show abstract

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Clinicopathologic analysis of oral dermoid and epidermoid cysts: a Brazilian multicenter study

Cited by 1 publication

References 23 publications

Intratarsal Keratinous Cyst Clinically Misdiagnosed as a Chalazion

Intratarsal Keratinous Cyst Clinically Misdiagnosed as a Chalazion

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