Table of ContentsDefinition / general | Microscopic (histologic) description | Additional references
Cite this page: Pernick, N. Collagenous papules. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/earcollagenousnodules.html. Accessed February 25th, 2018.
Definition / general
- Bilateral, smooth, firm, small papules on inner aspects of pinna
- Rarely involves external auditory canal
- Some of these cases may represent amyloid
Microscopic (histologic) description
- Dense collagen with dilated vessels and scattered fibroblasts