Related Experiment Video
Updated: Jul 4, 2026

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia
Published on: August 9, 2024
Pleomorphic adenoma of the upper lip in a child
Mônica A Lotufo1, Celso A L Júnior, Joyce P de Mattos
1Department of Oral Diagnosis, School of Dentistry, Ibirapuera University, São Paulo, Brazil. monicalotufo@uol.com.br
Abstract:
This case report describes a rare and unusual lesion found in a 12-year-old boy, which was diagnosed as pleomorphic adenoma of the minor salivary glands in the upper lip. The tumor was a circumscribed, submucosal nodule, about 2.0 cm in diameter and characterized by slow growth and a rubbery consistency. Complete excision was performed and the histopathological analysis showed an epithelial salivary gland tumor with islands of plasmacytoid cells, duct-like structures, in a variable stroma with chondroid, fibrous and myxoid appearance. The tumor did not recur. A brief review of the relevant literature is also presented.
Related Concept Videos
Assessment of the Mouth
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
Abnormal Proliferation
Cellular Adaptation IV: Dysplasia and Metaplasia
Oral Cavity
Teeth: The teeth are the hardest structures in our bodies. Humans have two sets of teeth throughout their lifetime: deciduous (baby) teeth and permanent teeth. Each tooth consists of several parts: the crown (visible part), the root (embedded in the jaw), enamel (hard outer...
Types of Membrane Protrusions
The microvilli, an example of stable protrusions, are finger-like projections with a...