Author
Listed:
- Diana Meckbach
- Jürgen Bauer
- Annette Pflugfelder
- Friedegund Meier
- Christian Busch
- Thomas K Eigentler
- David Capper
- Andreas von Deimling
- Michel Mittelbronn
- Sven Perner
- Kristian Ikenberg
- Markus Hantschke
- Petra Büttner
- Claus Garbe
- Benjamin Weide
Abstract
The prognostic impact of BRAF-V600 tumor mutations in stage I/II melanoma patients has not yet been analyzed in detail. We investigated primary tumors of 437 patients diagnosed between 1989 and 2006 by Sanger sequencing. Mutations were detected in 38.7% of patients and were associated with age, histological subtype as well as mitotic rate. The mutational rate was 36.7% in patients with disease-free course and 51.7% in those with subsequent distant metastasis (p = 0.031). No difference in overall survival (p = 0.119) but a trend for worse distant-metastasis-free survival (p = 0.061) was observed in BRAF mutant compared to BRAF wild-type patients. Independent prognostic factors for overall survival were tumor thickness, mitotic rate and ulceration. An interesting significant prognostic impact was observed in patients with tumor thickness of 1 mm or less, with the mutation present in 6 of 7 patients dying from melanoma. In conclusion, no significant survival differences were found according to BRAF-V600 tumor mutations in patients with primary melanoma but an increasing impact of the mutational status was observed in the subgroup of patients with tumor thickness of 1 mm or less. A potential role of the mutational status as a prognostic factor especially in this subgroup needs to be investigated in larger studies.
Suggested Citation
Diana Meckbach & Jürgen Bauer & Annette Pflugfelder & Friedegund Meier & Christian Busch & Thomas K Eigentler & David Capper & Andreas von Deimling & Michel Mittelbronn & Sven Perner & Kristian Ikenbe, 2014.
"Survival According to BRAF-V600 Tumor Mutations – An Analysis of 437 Patients with Primary Melanoma,"
PLOS ONE, Public Library of Science, vol. 9(1), pages 1-10, January.
Handle:
RePEc:plo:pone00:0086194
DOI: 10.1371/journal.pone.0086194
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