A
relatively common but poorly recognized adnexal lesion.
The Winer dilated pore.Med
Cutan Ibero Lat Am.
1989;17 (1):45-7.
Age:
Elderly patients
Site: Head, neck and upper trunk.
Clinical presentation:
Comedo-like structure
Microscopic features:
Image
Lesion may extend to mid or lower dermis ; Funnel shaped structure lined
by infundibular or isthmic-type epithelium, filled with laminated
keratin, connected to the surface ; Thickening of epithelium
including finger-like projection into the dermis ; Epidermoid
keratinization.
Differential diagnosis:
Pilar sheath acanthoma
Abstract:
Dilated pore: a case report and
an immunohistochemical study of cytokeratin expression.J
Dermatol. 2003
Jul;30 (7) :556-8.
Trichoid basal cell carcinoma
found in a dilated pore on the nose.Dermatol
Surg. 2000
Sep;26(9):874-6.
|