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Neue TNM-Klassifikation maligner Lungentumoren

New TNM classification of malignant lung tumours

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Zusammenfassung

Das Staging-System für Lungentumoren soll ab der 7. Auflage für nichtkleinzellige und kleinzellige Lungenkarzinome angewendet werden, aber auch für Karzinoidtumoren (typische und atypische Karzinoide). Die T-Kategorien sind neu definiert worden, mit einer Unterteilung von T1 in T1a (≤2 cm im größten Durchmesser) und T1b (>2 bis 3 cm im größten Durchmesser) und von T2 in T2a (>3 bis 5 cm) und T2b (>5 bis 7 cm). Tumoren über 7 cm werden als T3 klassifiziert. Multiple Tumorknoten im selben Lungenlappen werden von T4 in T3 reklassifiziert und multiple Tumorknoten in derselben Lunge, aber in verschiedenen Lappen von M1 nach T4. Die M-Kategorien wurden neu definiert: M1 wurde in M1a und M1b unterteilt. Maligne Pleura- oder Perikardergüsse wurden von T4 nach M1a reklassifiziert. Tumorknoten in der kontralateralen Lunge werden als M1a klassifiziert. Fernmetastasen werden als M1b eingestuft.

Abstract

The staging system for lung tumours is now recommended for the classification of both non-small-cell and small-cell lung cancer as well as for carcinoid tumours of the lung. The T classifications have been redefined: T1 has been subclassified as T1a (≤2 cm in size) and T1b (>2–3 cm in size). T2 has been subclassified as T2a (>3–5 cm in size) and T2b (>5–7 cm in size). T2 (>7 cm in size) has been reclassified as T3. Multiple tumour nodules in the same lobe have been reclassified from T4 to T3. Multiple tumour nodules in the same lung but a different lobe have been reclassified from M1 to T4. No changes have been made in the N classification. The M classification has been redefined: M1 has been subdivided into M1a and M1b. Malignant pleural and pericardial effusions have been reclassified from T4 to M1a. Separate tumour nodules in the contralateral lung have been reclassified from T4 to M1a. M1b designates distant metastasis.

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Authors and Affiliations

  1. Institut für Pathologie und Neuropathologie, Universitätsklinikum Essen, Hufelandstr. 55, 45147, Essen, Deutschland

    J. Wohlschläger & D. Theegarten

  2. Institut für Pathologie, Universitätsklinikum Leipzig, Leipzig, Deutschland

    C. Wittekind

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  1. J. Wohlschläger
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  2. C. Wittekind
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  3. D. Theegarten
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Correspondence to J. Wohlschläger.

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Wohlschläger, J., Wittekind, C. & Theegarten, D. Neue TNM-Klassifikation maligner Lungentumoren. Pathologe 31, 355–360 (2010). https://doi.org/10.1007/s00292-010-1303-4

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