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Multiple primary cancer risk in patients with squamous cell carcinoma of the oral cavity. 1987

H Shibuya, and S Hisamitsu, and S Shioiri, and J Horiuchi, and S Suzuki
Department of Radiology, Tokyo Medical and Dental University, Japan.

During 6375 patient-years of observation, 136 new cancers developed in 117 of 1429 patients with squamous cell carcinoma of the oral cavity. The risk of multiple cancers was excessive in the upper digestive or respiratory tract in patients with squamous cell carcinoma of the oral cavity, accounting for 87 (64%) of the 136 later cancers. In addition, multiplicity of cancers was site-specific, being common in the oral cavity-esophagus-lung axis and uncommon in sites such as the maxillary sinus and epipharynx. In addition, the observed-to-expected ratio was different in each site of the oral cavity-esophagus-lung axis, i.e., 57.5 for the oral cavity and pharynx, 12.0 for the esophagus, 7.3 for the larynx, and 2.0 for lung cancers.

UI MeSH Term Description Entries
D008297 Male Males
D009062 Mouth Neoplasms Tumors or cancer of the MOUTH. Cancer of Mouth,Mouth Cancer,Oral Cancer,Oral Neoplasms,Cancer of the Mouth,Neoplasms, Mouth,Neoplasms, Oral,Cancer, Mouth,Cancer, Oral,Cancers, Mouth,Cancers, Oral,Mouth Cancers,Mouth Neoplasm,Neoplasm, Mouth,Neoplasm, Oral,Oral Cancers,Oral Neoplasm
D009378 Neoplasms, Multiple Primary Two or more abnormal growths of tissue occurring simultaneously and presumed to be of separate origin. The neoplasms may be histologically the same or different, and may be found in the same or different sites. Neoplasms, Synchronous,Neoplasms, Synchronous Multiple Primary,Multiple Primary Neoplasms,Multiple Primary Neoplasms, Synchronous,Synchronous Multiple Primary Neoplasms,Synchronous Neoplasms,Multiple Primary Neoplasm,Neoplasm, Multiple Primary,Neoplasm, Synchronous,Primary Neoplasm, Multiple,Primary Neoplasms, Multiple,Synchronous Neoplasm
D002294 Carcinoma, Squamous Cell A carcinoma derived from stratified SQUAMOUS EPITHELIAL CELLS. It may also occur in sites where glandular or columnar epithelium is normally present. (From Stedman, 25th ed) Carcinoma, Epidermoid,Carcinoma, Planocellular,Carcinoma, Squamous,Squamous Cell Carcinoma,Carcinomas, Epidermoid,Carcinomas, Planocellular,Carcinomas, Squamous,Carcinomas, Squamous Cell,Epidermoid Carcinoma,Epidermoid Carcinomas,Planocellular Carcinoma,Planocellular Carcinomas,Squamous Carcinoma,Squamous Carcinomas,Squamous Cell Carcinomas
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012306 Risk The probability that an event will occur. It encompasses a variety of measures of the probability of a generally unfavorable outcome. Relative Risk,Relative Risks,Risk, Relative,Risks,Risks, Relative

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