From: Update on the Cytogenetics and Molecular Genetics of Chordoma
Reference | Affected | Chordoma Site | Onset |
---|---|---|---|
Foot et al, 1957 | brother and sister | sacrococcygeal | middle-age |
Enim et al, 1963 | two brothers | nasopharyngeal | youth |
Kerr et al, 1975 | 3 in three generations | nasopharyngeal | not specified |
Chetty et al, 1991 | 1 with family history | clival | 3 years |
Korczak et al, 1997 | 9 in three generations | clival, spinal | not specified |
Stepanek et al, 1998 | 4 in 2 generations | sacral, clival nasopharyngeal | 20, 39, 28, 31 |
Dalprà et al, 1999 Miozzo et al, 2000 | father and two daughters* | clival | before 20 |
Kelley et al, 2001 | two first cousins once removed° | clival | not specified |