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procedure
According to The Straits Times, the eight-hour operation, performed in November 2025, used a minimally invasive method known as transorbital neuroendoscopic surgery (TONES). — Pexels pic
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By Malay Mail
Sunday, 24 May 2026 11:04 AM MYT
SINGAPORE, May 24 — A multidisciplinary team from the National Neuroscience Institute (NNI) and Tan Tock Seng Hospital (TTSH) has successfully removed a 2.5cm brain tumour through a patient’s eye socket, marking the first time the technique has been used in Singapore for tumour removal.
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According to The Straits Times, the eight-hour operation, performed in November 2025, used a minimally invasive method known as transorbital neuroendoscopic surgery (TONES). The patient, 38-year-old Teong Wen Han, was discharged just three days later with no neurological or eye complications.
Teong, a learning and development manager, had no known medical issues until Oct 9, when he suffered a seizure while driving on the CTE, crashing into four vehicles and a lamp post. A CT scan at the hospital revealed the tumour growing behind his right eye.
He said his only symptom had been mild morning headaches, which he had attributed to caffeine withdrawal
