Fig. 21
From: Ocular ultrasonography focused on the posterior eye segment: what radiologists should know
Choroidal melanoma in two patients. a 62-year-old man with a 6-month history of progressive vision loss in the right eye. Fundoscopy image shows a pigmented mass in the inferior nasal arcade of the right eye (asterisk). b Colour Doppler US image shows a dome-shaped hypoechoic posterior mass with a smooth surface and choroidal excavation underneath (arrow), as well as internal blood flow. c, d US obtained in a 54-year-old man shows a mushroom-shaped mass related to a rupture of Bruch’s membrane. Note the peritumoral serous retinal detachment (arrowheads) induced by the growth of the tumour, as illustrated in the diagram