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Erschienen in: Der Pathologe 4/2019

04.06.2019 | mTOR-Inhibitoren | Originalien

Komplexität von PEComen

Diagnose, Molekulargenetik, klinisches Management

verfasst von: Dr. K. Utpatel, D. F. Calvisi, G. Köhler, T. Kühnel, A. Niesel, N. Verloh, M. Vogelhuber, R. Neu, N. Hosten, H.-U. Schildhaus, W. Dietmaier, M. Evert

Erschienen in: Die Pathologie | Ausgabe 4/2019

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Zusammenfassung

Perivaskuläre epitheloidzellige Tumoren (PECome) gehören zu einer Familie von mesenchymalen Neoplasien mit Merkmalen der melanotischen und glattmuskulären Differenzierung. Die Morphologie der PECome ist sehr variabel und umfasst epitheloide und spindelige Zellen, oft mit klarem Zytoplasma und prominenten Nukleoli. Molekular sind die meisten PECome durch einen Funktionsverlust des TSC1-TSC2-Komplexes definiert. Zusätzlich wurde eine kleine Untergruppe von PEComen identifiziert, die Rearrangements des TFE3(Xp11)-Genlocus aufzeigen. Anhand von 3 Fallberichten sollen die diagnostischen Fallstricke und die Bedeutung der molekularen Charakterisierung von PEComen auch wegen der therapeutischen Konsequenzen näher dargestellt werden.
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Metadaten
Titel
Komplexität von PEComen
Diagnose, Molekulargenetik, klinisches Management
verfasst von
Dr. K. Utpatel
D. F. Calvisi
G. Köhler
T. Kühnel
A. Niesel
N. Verloh
M. Vogelhuber
R. Neu
N. Hosten
H.-U. Schildhaus
W. Dietmaier
M. Evert
Publikationsdatum
04.06.2019
Verlag
Springer Medizin
Schlagwort
mTOR-Inhibitoren
Erschienen in
Die Pathologie / Ausgabe 4/2019
Print ISSN: 2731-7188
Elektronische ISSN: 2731-7196
DOI
https://doi.org/10.1007/s00292-019-0614-3

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