Gingival and submandibular lymph node metastasis of sigmoid colon adenocarcinoma
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Landeyro, Julieta; Raventos Estelle, A.; Mommsen, J.; Elguezabal, A.; Gené Hijós, M.; Boutayeb, L.; Martinez, M.S.
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Aquest document és un/a article, creat/da en: 2010
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Introduction: Metastatic tumors of oral and maxillofacial region compromise 1% of all malignant oral neoplasms.
Most commonly affect the jaw bone and less commonly intraoral soft tissues. They originate mainly from primary
tumors of lung, breast, colon-rectum, prostate and kidney. Case report: a 77 years old man with history of sigmoid
colon adenocarcinoma and liver metastasis. Two years later of being free of disease, he presented with submandi-
bular lymphadenopathy and a gingival mass in right upper jaw. Fine needle aspiration of the node and biopsy of
the gingival mass were performed. The cytological smears showed cohesive cell groups on a necrotic background.
Biopsy examination showed subepithelial infiltration by neoplasm of glandular pattern with immunoreactivity for
keratin 20 and carcinoembryonic antigen. A definitive diagnosis of node and oral metastases of colon adenocarcinoma was made. Discussion: Metastases in the oral and maxillofacial region are very uncommon and usually
represent an advanced stage and disseminated disease. They present non specific radiologic and clinical features
so it is imperative to reach a definitive diagnosis the cytological/histological examination. Because of its rarity, the
diagnosis of metastases in the oral region are a challenging, both to the clinician and to the pathologist, in recogni-
sing that a lesion is metastasic and in determining the site of origin
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