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Die Brustdichte ist ein wichtiger Indikator für das Brustkrebsrisiko - zdmaa Die Brustdichte ist ein wichtiger Indikator für das Brustkrebsrisiko
Viele von uns wissen, dass einige genetische Faktoren das Risiko, an Brustkrebs zu erkranken, vorhersagen können. BRCA1- und BRCA2-Mutationen sind die häufigsten genetischen Ursachen der Krankheit. Neue Forschungsergebnisse legen jedoch nahe, dass die Brustdichte ein immer wichtigerer Prädiktor für das Risiko einer Frau ist, an Brustkrebs zu erkranken.
Die Brustdichte vergleicht die Fettmenge mit der Gewebemenge auf der Mammographie. Dichte Brüste enthalten mehr Bindegewebe und Drüsen als Fettgewebe. Im Allgemeinen neigen jüngere Frauen dazu, dichtere Brüste zu haben, und die Brustdichte nimmt im Allgemeinen mit dem Alter ab.
Frauen mit dichter Brust erkranken vier- bis fünfmal häufiger an Brustkrebs als Frauen mit geringer Brustdichte. Forscher versuchen immer noch herauszufinden, warum. Wir wissen, dass die Brustdichte die Erkennung von Brustkrebs auf einer Mammographie erschweren kann. Da sowohl Krebs als auch dichtes Brustgewebe auf einer Mammographie weiß oder hellgrau erscheinen, kann das dichte Gewebe einen Tumor unsichtbar machen.
Bei Frauen mit dichteren Brüsten hat sich die digitale Mammographie als genauer als die Mammographie erwiesen. Darüber hinaus werden Mammographie, Ultraschall und MRT untersucht, um festzustellen, ob die Kombination dieser Tests die Erkennung von Brustkrebs bei Frauen mit dichter Brust verbessert.
Während eine höhere Brustdichte das Brustkrebsrisiko erhöht, ist nicht klar, ob eine niedrigere Brustdichte das Brustkrebsrisiko senkt. Alter und Gewichtszunahme nach der Menopause sind beispielsweise mit einer verringerten Brustdichte, aber auch mit einem erhöhten Brustkrebsrisiko verbunden.
Derzeit gibt es keine spezifischen Screening-Richtlinien für Frauen mit dichter Brust. Berichts- und Datensystem Mammographie X – American College (BI – RADS- ® ) misst die Dichte der Brust, wird jedoch nicht berichtet oder routinemäßig verwendet, um das Brustkrebsrisiko zu beurteilen.
Mit mehr Forschung könnten individuelle Empfehlungen zur Brustkrebsvorsorge die aktuellen Empfehlungen ersetzen und Ärzte könnten damit beginnen, die Brustdichte zur Beurteilung des Krebsrisikos zu verwenden. In der Zwischenzeit können Sie Ihre Gesundheit selbst in die Hand nehmen, indem Sie Fragen stellen und herausfinden, was für Sie am besten funktioniert. Susan G. Komen ® bietet Ihrem Arzt einige Fragen:
Sind meine Brüste dick? Wenn ja, woher wissen Sie das? Welche anderen Dinge können die Dichte meiner Brüste beeinflussen? Welche Screening-Tests sollte ich machen und wie oft sollte ich sie bekommen? Wenn Mitglieder meiner Familie dichte Brüste haben, habe ich dann auch dicke Brüste? Was kann ich tun, um mein Brustkrebsrisiko zu senken? Erfahren Sie mehr über Risikofaktoren für Brustkrebs.
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