Table 1.
Summary of clinical features and molecular findings. N/A, not applicable.
| Case | Tumor Type | Fusion | Location/Laterality | Size (cm) | Sex | Age (Years) | Local Recurrence | Duration to Latest Recurrence (Months) | Follow-Up after Latest Excision/Recurrence (Months) | Atypical Features |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Atypical TGCT | NIPBL-ERG | Wrist/Right | 3.2 | Female | 69 | Yes; multiple | 7 | 9 | Prominent cellularity; increased mitotic activity; spindle cells |
| 2 | Atypical TGCT | FN1-ROS1 | Wrist/Left | 2; fragmented | Female | 46 | Yes; multiple | 104 | 32 | Hyperchromatic nuclei; symplastic change; spindle cells |
| 3 | Atypical TGCT | YAP1-MAML2 | Ankle/Left | 3.8 | Female | 64 | No | N/A | 4 | Enlarged nuclei; virocyte-like nucleoli; myxoid change; spindle cells |
| 4 | TGCT | CSF1-COL6A3 | Arm/Left | 1.5 | Female | 14 | No | N/A | 14 | N/A |
| 5 | TGCT | CSF1-KCNMA1 | Knee/Right | 2.5 | Male | 43 | No | N/A | 15 | N/A |
| 6 | TGCT | CSF1-FN1 | Knee/Right | 2.5 | Male | 29 | No | N/A | 15 | N/A |