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[Differential diagnosis of choroidal tumors on the basis of spatial ultrasound analysis of their angioarchitectonics].

The paper presents the differential diagnostic signs of choroidal tumors, which are revealed by spatial ultrasound analysis of their angioarchitectonics. An algorithm of a study of the angioarchitectonics of choroidal tumors has been developed on the basis of the current ultrasound technologies that can combine B- and 3D-mode grey scale with energy and color Doppler mapping. Fifty-six patients (58 eyes) with various choroidal neoplasms, including 42 patients with choroidal melanomas, 6 with circumscribed choroidal hemangiomas, and 8 (10 eyes) with metastatic choroidal lesion, were examined. Analysis of the results of the study revealed the specific echographic features of each type of a tumor. The proposed procedure of ultrasound analysis makes it possible to expand the spectrum of the analyzed parameters of the angioarchitectonics, to locate spatially, and to trace the association of the neoplasmic vascular bed with the extraocular circulatory system, which is of great importance in choosing an adequate treatment option.