Retinoblastoma

Through an ophthalmoscope, a cancer can be seen on the retina. This finding is typical of retinoblastoma. A normal retina is seen on the right for comparison.

(Left: © 1994 James B. Gilman/Custom Medical Stock Photo; right: From KJ Knoop, Atlas of Emergency Medicine, 1977, McGraw-Hill, Fig. 3.1, courtesy of Beverly C. Forcier, MD; with permission.)