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Trans-scleral choroidectomy

Trans-scleral choroidectomy involves removal of the tumour through a large trapdoor in the wall of the eye. To prevent bleeding, the intraocular pressure is lowered, using hypotensive anaesthesia, monitoring the brain and heart using special equipment.

The anaesthetic and surgical techniques are demanding. This operation is therefore performed only by a few surgeons, who reserve it for tumours considered unsuitable for other forms of treatment.

 

If local resection is performed in the first instance, a radioactive plaque is usually placed over the treated area to reduce the chances of tumour recurrence, and this is done either at the end of the operation or a month later.

 

Some surgeons administer radiotherapy before local resection, to improve chances of local tumour control.