Table 1.

Clinicopathological characteristics of MLS patients (n = 56)

Age (years)
 Mean (±SD)48.1(±12.2)
 Median (range)48(24–73)
 <4826(46.4%)
 ≥4830(53.6%)
Type
 Primary tumor35(62.5%)
 Metastasis9(16.1%)
 Recurrence7(12.5%)
 ND5(8.9%)
Morphology
 Myxoid35(62.5%)
 Round cell21(37.5%)
Size (cm)
 Mean (±SD)10.6(±5.7)
 Median (range)10.0(1.5–29)
 <1018(32.1%)
 ≥1025(44.6%)
 ND13(23.2%)
Sex
 Female24(42.9%)
 Male32(57.1%)
FISH
DDIT3 break apart positive56(100%)
t(12;16) translocation type
FUS–DDIT3 (type 1; exon 7-2)11(19.6%)
FUS–DDIT3 (type 2; exon 5-2)26(46.4%)
 ND19(33.9%)
  • Abbreviation: ND, not determined.