Case # | Tumor size (cm.) | Percentage of Vascular Nodules | Percentage of Spindle cells | Lymphangioma-like vessels | Mitoses /10 HPFs | Cytoplasmic vacuoles | Microthrombi | Extent/Plane of invasion (Skin, subcutaneous tissue, bone) | Margins | Additional features |
---|---|---|---|---|---|---|---|---|---|---|
1# | 5 × 2 | 5 % | 95 % | None | 6 | Absent | Absent | Muscle | Involved | Sieve-like architecture of nodules |
2 | 1 × 0.5b | > 95 % | < 5 % | None | 5 | Absent | Absent | Dermis | Involved | Lymphoid follicles, mixed inflammation |
3 | 1.5 × 1a | 80 % | 20 % | None | 7 | Present | Absent | Dermis & subcutis | Cannot be assesseda | Hyaline globules |
4 | 3 × 1.5a | > 95 % | None | < 5 % | 6 | Present | Absent | Soft tissue | Cannot be assesseda | Hemorrhage & Perineural invasion |
5 | 2 × 0.8 | 80 % | 15 % | 5 % | 4 | Absent | Absent | Synovium | Involved | Background fibrosis |
6 | 5.5 × 3.5 | 70 % | None | 30 % | 6 | Present | Absent | Bone | Involved | Perineural invasion |
7 | 1.5 cm. | 80 % | 15 % | 5 % | 6 | Present | Present | Pancreas | Tumor free | None |
8 | 2.5 × 1b | 90 % | 10 % | None | 2 | Present | Present | Dermis | Cannot be assessedb | None |