EyeRounds Online Atlas of Ophthalmology
Contributor: Thomas A. Weingeist, PhD, MD, University of Iowa
Malignant melanoma of the choroid - mushroom shaped configuration
Larger choroidal melanomas often have a "mushroom shaped" appearance in distinction to metastatic lesions and benign masses of the choroid.
B-scan echography of mushroom shaped lesion
Breaks in Bruchs membrane enable tumor cells to pass beneath the retina thereby creating the mushroom shape configuration, H&E stain.
Gross section of globe with mushroom shaped choroidal melanoma.
Ophthalmic Atlas Images by EyeRounds.org, The University of Iowa are licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.