Table 5.
Quantification of Atypical Pathologic Features in Uterine PEComas
| Case # | Size (cm) | High-Grade Nuclei | Mitoses/50 HPFs | Necrosis | LVI | # of Atypical Features | Status at Last Follow-Up |
|---|---|---|---|---|---|---|---|
| 1 | 6.5 | − | 8 | + | − | 3 | DOD |
| 2 | 3 | − | 2 | − | − | 1 | NED |
| 3 | 17 | + | 62 | + | + | 5 | AWD |
| 4 | 5 | − | 0 | − | − | 1 | NED (3 recurrences) |
| 5 | 0.2 | − | N/A | − | − | 0 | NED |
| 6 | 10 | + | 124 | + | − | 4 | DOD |
| 7 | 1.2 | − | N/A | − | − | 0 | DOC |
| 8 | 14 | + | 2 | + | − | 4 | DOD |
| 9 | 9 | + | 3 | + | − | 4 | AWD |
| 10 | 13.2 | + | 55 | + | + | 5 | DOD |
| 11 | 6 | + | 13 | + | − | 4 | AWD |
| 12 | 10.5 | + | 70 | − | − | 3 | DOD |
| 13 | 8 | + | 18 | + | + | 5 | AWD |
| 14 | N/A | − | 3 | − | − | 1 | NED |
| 15 | 6 | − | 0 | − | − | 1 | NED |
| 16 | 3.5 | − | 1 | − | − | 0 | NED |
| 18 | 2.5 | − | 4 | − | − | 1 | NED |
| 19 | 1.4 | − | 0 | − | − | 0 | NED |
| 20 | 0.4 | − | 0 | − | − | 0 | NED |
| 21 | 1 | − | 0 | − | − | 0 | NED |
| 22 | N/A | − | 0 | − | − | 0 | NED |
| 23 | 8 | − | 1 | − | − | 1 | NED |
| 24 | 7 | − | 9 | − | − | 2 | NED |
| 25 | 4 | − | 1 | − | − | 0 | NED |
| 26 | 3.8 | − | 0 | − | − | 0 | NED |
| 28 | 1 | − | 0 | − | − | 0 | NED |
| 29 | 4.5 | − | 13 | − | − | 1 | NED |
| 30 | 1.1 | − | 13 | − | − | 1 | NED |
| 31 | 4 | + | 133 | + | − | 3 | DOD |
| 32 | 3 | − | 2 | − | − | 1 | NED |
HPF=high-power fields; LVI=lymphovascular invasion; DOD=dead of disease; NED=no evidence of disease; DOC=dead of other causes; AWD=alive with disease; N/A=not available