Ultrasound-guided freehand biopsy of a retro-orbital mass
Figure 2.49. Ultrasound-guided freehand biopsy of a retro-orbital mass. A: CT image of the large and poorly enhancing retrobulbar mass (arrows). The eye (E) is markedly displaced dorsally and deformed. B: The 18 Gauge core needle placed in an automated biopsy gun, is engaged into the retrobulbar lesion that was diagnosed an orbital schwannoma on histopathological evaluation.
co-authored by Stefano Pizzirani, Dominique Penninck & Kathy Spaulding