J Korean Soc Ther Radiol.  1986 Dec;4(2):129-134.

Incidence and significance of Multiple Primary Malignant Neoplasms

Affiliations
  • 1Department of Therapeutic Radiology, College of Medicine, Seoul National University, Korea.
  • 2Department of Internal Medicine, College of Medicine, Seoul National University, Korea.

Abstract

To know the three questions about multiple primary cancers: 1) what are the characteristics of persons having multiple primary cancer? 2) Dose presence of a single primary concer after the susceptibility to multiple primary cancers? 3) Dose the location of one multiple pripary cancer influence the site of others?, we analysed 121 cases of multiple primary malignant neoplasms registered in Seoul National University Hospital during 8years from July 1978 to August 1986. Of 121 cases, double primary malignant neoplasms were 119 cases and triple were 2 cases. The incidence of multiple primary malignant neoplasms was 0.7%. The metachronous tumor(> 6 months) was found in 70 cases and the median time between the first and the second was 32 months. The most commonly associated tumors were stomach and primary liver caroinoma. Cervix and Lung cancer, Stomach and Rectal cancer, Stomach and Esophagus cancer were also commonly associated.

Keyword

multiple primary neoplasms; incidence; significance

MeSH Terms

Cervix Uteri
Esophageal Neoplasms
Female
Humans
Incidence*
Liver
Lung Neoplasms
Neoplasms, Multiple Primary
Rectal Neoplasms
Seoul
Stomach
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