EyeRounds Online Atlas of Ophthalmology

Contributor: Thomas A. Weingeist, PhD, MD, University of Iowa

Category: Retina

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.