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Erschienen in: Die MKG-Chirurgie 1/2021

20.01.2021 | Knochentumoren | CME

Das Ameloblastom

Benigner Tumor: ein Wolf im Schafspelz?

verfasst von: Dr. med. Dr. med. dent. M. Fehrenz, K. Freier, D. Horn

Erschienen in: Die MKG-Chirurgie | Ausgabe 1/2021

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Zusammenfassung

Ameloblastome sind seltene, lokal invasiv wachsende Neubildungen der Kieferknochen, die zur Gruppe der benignen odontogenen Tumoren gezählt werden. In der Mehrzahl der Fälle (80 %) ist der Unterkiefer betroffen. Die Tumoren wachsen langsam und metastasieren i. d. R. selten. Ameloblastome weisen aufgrund einer ausgeprägten lokoregionären Invasion v. a. bei konservativ-chirurgischer Therapie (Enukleation oder Kürettage) eine hohe Rezidivrate auf. Die aktuelle Therapieempfehlung besteht in der lokalen In-sano-Resektion mit ausreichendem Sicherheitsabstand und bevorzugt einzeitiger Rekonstruktion bei histologischer Diagnosesicherung. Der Fortschritt in der molekularen Typisierung dieser Tumoren hat Mutationen im Bereich des BRAF-Gens aufgezeigt. Bei systemischer Metastasierung oder inoperablen, lokal fortgeschrittenen Rezidiven mit dieser Mutation kann eine entsprechende Antikörpertherapie (BRAF-Inhibition) zur Krankheitsremission führen.
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Metadaten
Titel
Das Ameloblastom
Benigner Tumor: ein Wolf im Schafspelz?
verfasst von
Dr. med. Dr. med. dent. M. Fehrenz
K. Freier
D. Horn
Publikationsdatum
20.01.2021
Verlag
Springer Medizin
Erschienen in
Die MKG-Chirurgie / Ausgabe 1/2021
Print ISSN: 2731-748X
Elektronische ISSN: 2731-7498
DOI
https://doi.org/10.1007/s12285-020-00284-0

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