Peripheral palisading of the basal cells is present. Peripheral palisading of basaloid cells frequently is observed. A dense band or brushlike network of elastic fibers frequently is demonstrated at the border of the tumor, again analogous to the normal hair follicle. This can be observed readily using Verhoeff, van Gieson, or orcein stains. For multiple and eruptive tumors, treatment usually is unrewarding, since attempted treatment using corticosteroids, keratolytics, cryotherapy, and topical and systemic retinoids results in only partial improvement.
Prognosis is excellent in follicular infundibulum tumors.
Multiple tumors of the follicular infundibulum. A distinctive presentation of the tumor of follicular infundibulum. A tumor of the follicular infundibulum. Medicine is a constantly changing science and not all therapies are clearly established. New research changes drug and treatment therapies daily.