Retinoblastoma other diagnostic studies
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Simrat Sarai, M.D. [2]
Overview
Other Diagnostic Studies
Wide-field fundus photography and spectral domain optical coherence tomography (sdOCT)
On wide-field fundus photography and spectral domain optical coherence tomography, retinal tumors may be noted and documented relative to optic nerve and fovea. It may note the presence of exudative retinal detachment, vitreous and subretinal seeding. Spectral domain optical coherence tomography (sdOCT) notes normal or abnormal foveal contour and may be exquisitely sensitive to document marginal tumor recurrence
Biopsy/FNAC
Typical clinical and radiological findings make tissue biopsy confirmation unnecessary. It may also lead to extraocular seeding of tumor cells.
However, FNAC is indicated in special cases to confirm the diagnosis when the diagnosis is ambiguous and when there is already an obvious extraocular extension of the tunor.
Bone marrow examination, lumbar puncture and radionuclide bone scan are few other tests done as part of metastatic work up.
References