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In a great majority of cases, uveal tumours are diagnosed and treated based solely upon clinical examination and ancillary diagnostic studies such as ultrasonography and angiography.1 In general, diagnostic fine needle aspiration biopsy (FNAB) is limited to situations presenting as a diagnostic dilemma such as differentiation between an amelanotic uveal melanoma and a metastatic uveal tumour.2–5 The other major indication for ophthalmic FNAB is for prognostication purposes of uveal melanoma being treated with radiation therapy.6
Most ophthalmic surgeons have used available needles without customisation ranging in size from 22 gauge (G) to 30G, with the 25G needle being the most commonly used.2 ,7 , …
Competing interests None.
Ethics approval Approval provided by the IRB.
Provenance and peer review Not commissioned; internally peer reviewed.