A case of oral metastasis of rectal adenocarcinoma with KRAS mutation in patient with synchronous lung adenocarcinoma

Detecting the origin of the primary cancer that metastasizes in the oral cavity in patients with multiple primary cancers is challenging because of its rarity and complexity. We present an unusual case of an 86‐year‐old women with a maxillary gingival tumor that was histologically proven to be adeno...

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Bibliographic Details
Published in:Oral science international 2020-09, Vol.17 (3), p.205-208
Main Authors: Yamori, Masashi, Kurosawa, Manabu
Format: Article
Language:English
Subjects:
colon cancer
lung cancer
metastatic tumors
multiple primary cancers
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Summary:Detecting the origin of the primary cancer that metastasizes in the oral cavity in patients with multiple primary cancers is challenging because of its rarity and complexity. We present an unusual case of an 86‐year‐old women with a maxillary gingival tumor that was histologically proven to be adenocarcinoma; she had been diagnosed with rectal and lung adenocarcinoma. A multidisciplinary approach involving complementary molecular analysis of KRAS gene mutation helped in the diagnosis of metastatic gingival tumor from rectal cancer.
ISSN:1348-8643
1881-4204
DOI:10.1002/osi2.1060