Fig. 1
- ID
- ZDB-FIG-250327-66
- Publication
- Dehner et al., 2025 - Superficial Neurocristic FET::ETS Fusion Tumor: Expanding the Clinicopathological and Molecular Genetic Spectrum of a Recently Described Entity
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Histopathologic findings of case 1. (A) Low power examination demonstrates a multinodular neoplasm composed of (B) clusters and nests of tumors cells. (C) Foci of the tumor show a distinctive linear arrangement of the tumor cells, whereas other areas (D) demonstrate a nest-like pattern with formation of pseudorosettes. (E) Rare mitotic figures are seen. (F) In some areas, there is a triphasic pattern comprising nests of tumor cells, bland spindled cells and fibroblasts, and scattered adipocytes. (G) S100 protein, (H) SOX10, and (I) CD56 are strongly and diffusely positive. (J) A CD34 stain highlights the outline of the tumor nests giving rise to a vaguely trabecular pattern. (K) CD99 shows weak, membranous staining pattern. |