Abstract
AbstractIndirect ophthalmoscopy and fundus drawing, fundus photography, standard and 150° ICG, standard and 150° fluorescein angiography, auto fluorescence, OCT, ultrasonography, UBM, MRI and in selected cases intraocular biopsy are the main diagnostic tools used in ocular oncology. The tumors can be documented either by composite standard fundus pictures, or panoramic fundus photographies. Modifications of the pigment epithelium are observed either by standard fluorescein angiography and by standard ICG or by autofluorescence. Hemodynamic modifications of the choroide and the retina are observed with panoramic fluorescein angiography and ICG. Modifications of the retina on the surface of the tumors and modifications of the macula are studied with high resolution OCT. The shape and the height of the tumors are measured with standard 20 or 10 MHz, B mode ultrasonography. The intra tumoral reflectivity and attenuation are studied with A mode ultrasonography. The volume and the shape of tumors located in the anterior segment are observed and studied with non contact 50,35 or 20 MHz high resolution ultrasonography. In selected cases, MRI, cytology and cytogenetics are used in order to define the diagnosis. In small tumors the final diagnosis is often established following a documented tumor growth.
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