A case of canalicular adenoma arising on the upper lip

Seong Hoon Seo, Jong Hoon Kim, Hyunseo Cha, MiRyung Roh

Research output: Contribution to journalArticle

Abstract

Canalicular adenoma is a rare benign tumor that arises in the minor salivary gland. Clinically, it usually presents as an asymptomatic nodule on the upper lip or buccal mucosa. It is necessary to histopathologically differentiate canalicular adenoma from basal cell adenoma and adenoid cystic carcinoma. Canalicular adenoma shows tubular structures composed of 1 or 2 layers of columnar cells and intraluminal hemorrhage. Squamous morales, which seem to represent metaplasia, are a unique finding for this tumor. Immunohistochemical staining is often helpful for the diagnosis of canalicular adenoma, which is positive for S-100 and CK (AE1/3). Herein, we report a case of canalicular adenoma in a 71-year-old man who presented with an asymptomatic nodule on the upper lip. As far as we know, this is the first report of canalicular in Korean Dermatology Journal.

Original languageEnglish
Pages (from-to)24-27
Number of pages4
JournalKorean Journal of Dermatology
Volume57
Issue number1
Publication statusPublished - 2019 Jan 1

Fingerprint

Lip
Adenoma
Minor Salivary Glands
Morale
Adenoid Cystic Carcinoma
Metaplasia
Mouth Mucosa
Dermatology
Neoplasms
Staining and Labeling
Hemorrhage

All Science Journal Classification (ASJC) codes

  • Dermatology

Cite this

Seo, Seong Hoon ; Kim, Jong Hoon ; Cha, Hyunseo ; Roh, MiRyung. / A case of canalicular adenoma arising on the upper lip. In: Korean Journal of Dermatology. 2019 ; Vol. 57, No. 1. pp. 24-27.
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Seo, SH, Kim, JH, Cha, H & Roh, M 2019, 'A case of canalicular adenoma arising on the upper lip', Korean Journal of Dermatology, vol. 57, no. 1, pp. 24-27.

A case of canalicular adenoma arising on the upper lip. / Seo, Seong Hoon; Kim, Jong Hoon; Cha, Hyunseo; Roh, MiRyung.

In: Korean Journal of Dermatology, Vol. 57, No. 1, 01.01.2019, p. 24-27.

Research output: Contribution to journalArticle

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AB - Canalicular adenoma is a rare benign tumor that arises in the minor salivary gland. Clinically, it usually presents as an asymptomatic nodule on the upper lip or buccal mucosa. It is necessary to histopathologically differentiate canalicular adenoma from basal cell adenoma and adenoid cystic carcinoma. Canalicular adenoma shows tubular structures composed of 1 or 2 layers of columnar cells and intraluminal hemorrhage. Squamous morales, which seem to represent metaplasia, are a unique finding for this tumor. Immunohistochemical staining is often helpful for the diagnosis of canalicular adenoma, which is positive for S-100 and CK (AE1/3). Herein, we report a case of canalicular adenoma in a 71-year-old man who presented with an asymptomatic nodule on the upper lip. As far as we know, this is the first report of canalicular in Korean Dermatology Journal.

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