Table 1.
Clinical features (n = 32)
| Contents | Patients | |
|---|---|---|
| No./Total number | Percentage | |
| Sex | ||
| Male | 22 | 62.5 |
| Female | 10 | 37.5 |
| Age (years) | ||
| Range | 30~85 | |
| Mean | 53.4 | |
| Median | 60 | |
| Sites | ||
| Upper areodigestive tract | 21 | 65.6 |
| Tonsil | 2 | 6.3 |
| skin | 6 | 18.8 |
| Gingiva | 1 | 3.1 |
| Lung | 1 | 3.1 |
| Testis | 1 | 3.1 |
| Auxiliary examination | ||
| Normal marrow aspirate | 32 | 100 |
| Normal results on skeletal survey | 32 | 100 |
| low serum level of M-components | 2/21 | 9.5 |
| low urinary level of M-components | 0/8 | 0 |
| Follow up (n = 15, month) | ||
| Dead | 10/15 | 67 (6.6 m) |
| Alive with disease | 3/15 | 20 (11.3 m) |
| Alive with recurrence | 2/15 | 13 (24 m) |