Tumor of the follicular infundibulumQ85.1
Synonym(s)
Infundibuloma; Isthmicoma
HistoryThis section has been translated automatically.
Mehregan, 1961
DefinitionThis section has been translated automatically.
Rare, benign adnexal tumor with hair follicle differentiation.
LocalizationThis section has been translated automatically.
Located mainly in the head, neck and chest area.
Clinical featuresThis section has been translated automatically.
Clinically uncharacteristic. Mostly solitary, rarely plural, skin-coloured, small plaques or papules, but also appearing as skin-coloured to slightly reddened spots.
HistologyThis section has been translated automatically.
Tumor localized in the papillary and upper reticular dermis with reticularly branched epithelial strands formed by basaloid but also light-cellular elements. Tumor is covered by a regular surface epithelium. Isolated formation of bud-like hair follicles. Broad, homogenised, eosinophilic stroma. Bulky round cell infiltrates.
DiagnosisThis section has been translated automatically.
In most cases the diagnosis is made as a random histological finding.
TherapyThis section has been translated automatically.
If necessary, excision without larger safety distance.
LiteratureThis section has been translated automatically.
- Cribier B, Grosshans E (1995) Tunor of the follicular infundibulum: A clinicopathologic study. J Am Acad Dermatol 33: 979-984
- Inaloz HS et al (2002) Coexistence of tumor of the follicular infundibulum with an unusual trichilemmal tumor. At J Dermatopathol 24: 406-408
- Mahalingam M (2001) Tumor of the follicular infundibulum with sebaceous differentiation. J Cutan catheter 28: 314-317
- Mehregan AH, Butler JD (1961) A tumor of the follicular infundibulum. Arch Dermatol 83: 78-81
- Mehregan AH (1971) Tumor of the follicular infundibulum. Dermatologica 142: 177-183