Home > E. Pathology by systems > Skin > trichoepithelioma
trichoepithelioma
Friday 17 June 2011
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Definition : Trichoepithelioma is a benign neoplasm that shares both clinical and histological features with basal cell carcinoma.
Images
Trichoepithelioma
- https://twitter.com/RyanHickMD/status/720951675310047232
- https://twitter.com/mariaramir/status/714933405629198340
- https://twitter.com/JMGardnerMD/status/599210445744943104
- https://twitter.com/JMGardnerMD/status/599200913853587458
- https://twitter.com/juanbarcia/status/566378732622209024
- https://twitter.com/TheSagePatel/status/529712828757061632
- https://twitter.com/drshahinhameed/status/742390802496684033
stroma-stroma retraction in trichoepithelioma
small trichoepithelioma
desmoplastic trichoepithelioma : cords/nests basaloid cells, sclerotic stroma, horn cysts with keratin
- https://twitter.com/mariaramir/status/714933005920378882
- https://twitter.com/JMGardnerMD/status/539428205296640000
Trichoepithelioma CK20+ Merkel cells (usually absent in BCC)
Stromal hyaline droplets in a trichoepithelioma
Synopsis
multilobular basaloid tumor
palisaded nuclei
fibrocellular stroma.
Differential diagnosis
basal cell carcinoma (BCC)
- In Trichoepithelioma: CK20+ Merkel cells (usually absent in BCC)
- https://twitter.com/DermpathMGH/status/745579787800952832
Digital cases
UI:910 - Trichoepithelioma
See also
cutaenous tumors
References
Diagnostic utility of immunohistochemistry in distinguishing trichoepithelioma and basal cell carcinoma: evaluation using tissue microarray samples. Tebcherani AJ, de Andrade HF Jr, Sotto MN. Mod Pathol. 2012 Jun 8. PMID: 22684216