Pilar sheath acanthoma
Pilar sheath acanthoma
Definition
A benign, small, papular or nodular skin neoplasm that usually arises above the upper lip. It is characterized by an epithelial proliferation with a central cavity. The cavity wall is lined with keratinocytes.
Also known as acanthoma of Pilar sheath, acanthoma of the Pilar sheath, Infundibuloisthmicoma, Pilar sheath acanthoma — per MONDO
Also identified as
Affected Organs
| Organ | Involvement | Source |
|---|---|---|
| Exocrine system | Disease Has Primary Anatomic Site | NCIT · CC BY 4.0 |
| Hair | Disease Has Primary Anatomic Site | NCIT · CC BY 4.0 |
| Hair follicles | Disease Has Primary Anatomic Site | NCIT · CC BY 4.0 |
| Integumental system | Disease Has Associated Anatomic Site | NCIT · CC BY 4.0 |
| Skin of body | Disease Has Associated Anatomic Site | NCIT · CC BY 4.0 |
| Skin of body | Disease Has Primary Anatomic Site | NCIT · CC BY 4.0 |