case_images: PMC9273431_01
case_images: A slit-lamp photo revealing a pigmented iris mass (white arrow) with an extrascleral spread (dashed arrow).
case_images: CRIOPM2022-4840380.001.jpg
case_images: PMC9273431_01_CRIOPM2022-4840380.001.jpg
case_images: fig1
case_images: The ophthalmic examination of the right eye revealed a darkly pigmented extrascleral lesion in the lower nasal quadrant (Figure 1).
case_images: Gonioscopy showed a circumferential pigmented angle infiltration.
case_images: CRIOPM2022-4840380.002.jpg
case_images: PMC9273431_01_CRIOPM2022-4840380.002.jpg
case_images: fig2
case_images: The gonioscopy revealed a pigmented thickening of the iris base in the lower nasal quadrant and a 300  pigmented angle infiltration (Figure 2).
case_images: Microscopical examination demonstrating iris melanoma with extension in the anterior angle, infiltration of the trabecular meshwork and extrascleral extension (black arrow) (hematoxylin and eosin, original magnification, 40x).
case_images: CRIOPM2022-4840380.003.jpg
case_images: PMC9273431_01_CRIOPM2022-4840380.003.jpg
case_images: fig3
case_images: The histology report confirmed iris ring melanoma, which was growing in the root area of the iris, on the surface of the anterior chamber angle, and in the trabecular meshwork in a nearly closed circle, from 10 to 8 o'clock (Figure 3).