Table 2 Pathological features of embryonal rhabdomyosarcomas of the uterine corpus.
Case number | Depth of myometrial invasion | Histological subtype | Cambium layer | Heterologous elements | Anaplasia (%) | LVI | Mitoses/10 HPF |
|---|---|---|---|---|---|---|---|
1a | <50% | Classic | + | Cartilage | 15 | − | 31 |
2a | <50% | Classic | + | Cartilage | 0 | + | 8 |
3 | <50% | Classic | + | − | 0 | − | 16 |
4a | N/A | Classic | + | Cartilage, adipose tissue, osteoid | <1 | − | 4 |
5 | <50% | Not classic | − | − | 5 | − | 8 |
6a | <50% | Classic | + | Cartilage | 25 | − | 29 |
7a | <50% | Classic | + | − | 0 | − | 24 |
8 | 100% | Not classic | − | − | 25 | + | 18 |
9 | <50% | Not classic | + | − | 5 | + | 20 |
10a | <1 mm | Classic | + | Neuroectoderm | 0 | − | 65 |
11a | <50% | Classic | + | Cartilage | <5 | − | 20 |
12a | <50% | Classic | + | − | <5 | − | 22 |
13 | <50% | Not classic | − | − | 20 | − | 26 |
14 | N/A | Not classic | − | − | 0 | − | 14 |
15a | <50% | Classic | + | − | 0 | − | 1 |
16a | <1 mm | Classic | + | − | <1 | − | 21 |
17a | N/A | Classic | + | − | 0 | − | 20 |
18a | >50% | Classic | + | Cartilage, adipose tissue | <5 | − | 16 |
19a | <1 mm | Classic | + | − | 0 | − | 6 |
20 | >50% | Classic | + | − | 0 | − | 11 |
21a | <1 mm | Classic | + | − | 25 | − | 3 |
