Desmoplastic trichoepithelioma: presentation of two cases |
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| Authors: | Bordel M Teresa Alvarez-Fernández Juan C |
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| Institution: | 1. Servicio de Dermatología. Complejo Hospitalario Arquitecto Marcide-Profesor Novoa Santos. Ferrol. Coruña. España;2. Servicio de Anatomía Patológica. Complejo Hospitalario Arquitecto Marcide-Profesor Novoa Santos. Ferrol. Coruña. España;1. Collegium Helveticum, Universität Zürich und Eidgenössische Technische Hochschule Zürich (ETHZ), Zurich, Switzerland;2. Departement Nutztiere Universität Zürich, Zurich, Switzerland;3. Institut für Tierpathologie Universität Bern, Bern, Switzerland;4. Zyto-Histo Diagnostics, Freienstein, Switzerland;6. Geographisches Institut, Universität Zürich, Zurich, Switzerland;5. Institut für Veterinärpathologie Universität Zürich, Zurich, Switzerland;11. Institut für Verkehrsplanung und Transportsysteme (IVT), ETHZ, Zurich, Switzerland;1. Servicio de Anatomía Patológica, Hospital Universitario Miguel Servet, Zaragoza, España;2. Servicio de Anatomía Patológica, Hospital Universitario Virgen del Rocío, Sevilla, España;1. Physik-Department, Technische Universtität München, D-85748 Garching, Germany;2. Excellence Cluster Universe, Technische Universität München, D-85748 Garching, Germany;1. MAX IV Laboratory, Lund University, 22100 Lund, Sweden;2. Canadian Light Source, Saskatoon, SK, S7N 2V3, Canada;1. Department of Digestive Surgery, Farhat Hached University Hospital, Sousse, Tunisia;2. Departement of Oncology, Farhat Hached University Hospital, Sousse, Tunisia;3. Department of Surgery, Regional Hospital of Sidi Bouzid, Tunisia |
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| Abstract: | Trichoepithelioma is a benign neoformation with hair follicle differentiation that may clinically present in solitary, multiple or desmoplastic form. From a histopathological standpoint, it poses some diagnostic difficulties with basal cell carcinoma. We present two cases of desmoplastic trichoepithelioma, a rare adnexal tumor whose incidence is estimated at 2 per 10,000. Desmoplastic trichoepithelioma is a benign lesion, clinically and histologically similar to other dermatoses, and presents a true diagnostic challenge. |
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