“…Our series of 12 probable spouse pairs increases the total number of such spouse pairs in the medical literature to about 40 (Street & Allen, 1950;Mazur & Strauss, 1951;Devore & Doan, 1957;Milham, 1964;Amos et al, 1967;Kyle et al, 1971;Berliner & Dristenfeld, 1972;Dworsky & Henderson, 1974;Pietruszk et al, 1976;Hazen & Michel, 1977;Ly et al, 1978;Kardinal, 1978;Wray et al, 1979;Brugiatelli et al, 1980;Kefford et al, 1980;Dougan et al, 1980). Previously, the largest reported series of such malignancies occurring in spouse pairs was 7, as reported by Milham (1964).…”