Table 1.
Clinicopathological features of malignant ectomesenchymoma.
| Case | Age (month) | Sex | Location | Tumor Status | Size (cm) | Initial Stage | Treatment Protocol | Histological Components | Follow-up (year) | Final Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 1* | 0.6 | M | Paratesticular | Primary | - | - | EpSSG2005 | ERMS-s + GC | 8.0 | NED |
| 2* | 12 | M | Paratesticular | Primary | - | - | None | RRMS-s + GN | 2.0 | NED |
| 3 | 8 | M | Urinary bladder | Post-treatment | - | - | RMS96 | ERMS-c + GN | - | - |
| 4 | 3 | M | Pelvis | Post-treatment | 7.2 | T2bN0M0 | COG ARST0531-A | ERMS-c + GN | 0.9 | DOO |
| 5γ | 17 | M | Hand | Primary | 2.7 | T1aN0M0 | MSKCC P6 | ERMS-d + GNB | 16.7 | NED |
| 6 | 11 | M | Pelvis | Post-treatment | 6.1 | T2bN1M0 | COG ARST 0531-B | ERMS-d + NB | 2.9 | NED |
| 7 | 1.2 | M | Prostate | Post-treatment | 8.0 | T2bN0M0 | COG ARST 0531-B | ERMS-c + GN | 8.1 | NED |
*
Tested by RNA sequencing; spRMS, spindle cell rhabdomyosarcoma; ERMS-c, embryonal rhabdomyosarcoma, classic pattern; ERMS-d, embryonal rhabdomyosarcoma, dense pattern; GC, ganglion cells; GN, ganglioneuroma; GNB, ganglioneuroblastoma; NB, neuroblastoma; DOO, dead of other causes; NED, no evidence of disease.
γ
previously reported [13]