Evidence map›Paper›PMID 38886160›Full record

ArticleThe oncologist2024

A diagnostic challenge of KIT p.V559D and BRAF p.G469A mutations in a paragastric mass.

Stefan Habringer, Jana Ihlow, Karsten Kleo, Anna Klostermann, Max Schmidt, Lidan Chai, Maren Knödler, Serge Leyvraz, Christian Sigler, Bruno Sinn and 10 more

Abstract readCase Reports
In one paragraph

Article in The oncologist, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

20 authors.

Stefan HabringerDepartment of Hematology, Oncology and Cancer Immunology, Campus Benjamin Franklin, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 12203, Germany.ORCID 0000-0002-3976-9592
Jana IhlowBerlin Institute of Health (BIH), Charité - Universitätsmedizin Berlin, Berlin 10178, Germany.ORCID 0000-0001-5484-1321
Karsten KleoInstitute of Pathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 10117, Germany.ORCID 0000-0001-9136-6902
Anna KlostermannCharité Comprehensive Cancer Center, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 10117, Germany.
Max SchmidtCharité Comprehensive Cancer Center, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 10117, Germany.
Lidan ChaiCharité Comprehensive Cancer Center, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 10117, Germany.
Maren KnödlerCharité Comprehensive Cancer Center, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 10117, Germany.
Serge LeyvrazCharité Comprehensive Cancer Center, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 10117, Germany.ORCID 0000-0002-5705-6799
Christian SiglerCharité Comprehensive Cancer Center, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 10117, Germany.
Bruno SinnInstitute of Pathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 10117, Germany.ORCID 0000-0002-1257-9799
Georg MaschmeyerDepartment of Hematology, Oncology and Cancer Immunology, Campus Benjamin Franklin, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 12203, Germany.ORCID 0000-0003-2378-2466
Yvette JegodkaCharité Comprehensive Cancer Center, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 10117, Germany.
Manuela BenaryBerlin Institute of Health (BIH), Charité - Universitätsmedizin Berlin, Berlin 10178, Germany.ORCID 0000-0002-3067-2030
Claus-Eric OttInstitut für Medizinische Genetik und Humangenetik, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 13353, Germany.ORCID 0000-0003-3627-3791
Ingeborg TinhoferDepartment of Radiooncology and Radiotherapy, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, Berlin 10115, Germany.ORCID 0000-0002-0512-549X
Reinhold SchäferCharité Comprehensive Cancer Center, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 10117, Germany.ORCID 0000-0001-7952-2124
Markus MöbsInstitute of Pathology, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 10117, Germany.ORCID 0000-0002-1502-3032
Ulrich KellerDepartment of Hematology, Oncology and Cancer Immunology, Campus Benjamin Franklin, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 12203, Germany.ORCID 0000-0002-8485-1958
Ulrich KeilholzGerman Cancer Consortium (DKTK), Berlin 10115, Germany.ORCID 0000-0001-6773-9406
Damian T RiekeDepartment of Hematology, Oncology and Cancer Immunology, Campus Benjamin Franklin, Charité - Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin 12203, Germany.ORCID 0000-0003-0027-7977

Funding

Berlin Institute of HealthCharité-Universitätsmedizin Berlin
6 · The paper itself

Abstract

A patient with gastrointestinal stroma tumor (GIST) and KIT p.V559D and BRAF p.G469A alterations was referred to our institutional molecular tumor board (MTB) to discuss therapeutic implications. The patient had been diagnosed with B-cell chronic lymphocytic leukemia (CLL) years prior to the MTB presentation. GIST had been diagnosed 1 month earlier. After structured clinical annotation of the molecular alterations and interdisciplinary discussion, we considered BRAF/KIT co-mutation unlikely in a treatment-naïve GIST. Discordant variant allele frequencies furthermore suggested a second malignancy. NGS of a CLL sample revealed the identical class 2 BRAF alteration, thus supporting admixture of CLL cells in the paragastric mass, leading to the detection of 2 alterations. Following the MTB recommendation, the patient received imatinib and had a radiographic response. Structured annotation and interdisciplinary discussion in specialized tumor boards facilitate the clinical management of complex molecular findings. Coexisting malignancies and clonal hematopoiesis warrant consideration in case of complex and uncommon molecular findings.

Indexed as

Gastrointestinal Stromal TumorsMutationProto-Oncogene Proteins B-rafProto-Oncogene Proteins c-kitHumansLeukemia, Lymphocytic, Chronic, B-CellMaleMiddle AgedBRAF protein, humanKIT protein, humanProto-Oncogene Proteins B-rafProto-Oncogene Proteins c-kitBRAF p.G469AGISThematopoiesisKIT p.V559Dlymphocytic leukemia

Identifiers

PMID38886160
PMCPMC11448896

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