Related Experiment Video
Updated: May 22, 2026

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia
Published on: August 9, 2024
[Perforating and ruptured trichilemmal cyst with metaplastic ossification]
M Bär1, D M Kayser, M Trniková
1Facharzt für Haut- & Geschlechtskrankheiten/Dermatohistologie, Hautarztpraxis Dr. Bär, Löbauer Str. 17, 02625, Bautzen, Deutschland. info@hautarztpraxis-baer.de
Abstract:
Trichilemmal cysts can occur as multiple scalp lesions and may have a familial history. Metaplastic ossification, as seen in several traumatic, inflammatory or neoplastic conditions, however, seems to be an exceedingly rare event in trichilemmal cysts and might be associated with previous rupture.
Related Concept Videos
Esophageal Perforation-I: Introduction
The location of esophageal perforation can vary, occurring anywhere along the esophagus.
Appendicitis
Esophageal Perforation-II: Clinical Manifestations and Management
Clinical Manifestations:
