A MUM who suddenly went blind in one eye turned out to have lung cancer, medics have revealed.
The 32-year-old from India had never smoked but doctors discovered she was riddled with tumours that had previously not caused any other symptoms.
Dr Alok Pratap Singh, of the Sanjay Gandhi Postgraduate Institute of Medical Sciences, said the case shows doctors should always check for lung cancer in patients with vision issues.
He said: “Despite widespread malignant involvement, the patient was completely asymptomatic and active except for visual disturbances.
“This case further emphasises the necessity of prompt and priority-based evaluation of patients for lung carcinoma whenever doubtful intraocular lesions are noted.
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“It seems that these cases represent a distinct subset of lung malignancy.”
Lung cancer is the UK’s biggest cancer killer, leading to more than 35,000 deaths a year.
Around 6,000 Brits who have never smoked get lung cancer annually, making up around 10 per cent of all cases.
When the disease spreads to other parts of the body it is known as metastatic cancer.
Tumours develop in the eyes in around 0.1 to seven per cent of metastatic lung cancer cases.
The woman’s case was reported in the Elsevier journal Radiology Case Reports.
She went to hospital after losing vision, with occasional flashes of light in her left eye over the previous 20 days.
There was no pain or redness around either of her eyes and she also has not suffered injuries or problems with other parts of her body, she said.
Scans found a growth on the inside black surface known medically as the fundus of her right eye.
Small growths were also spotted on her left eye but blood tests showed she had red and white blood cell counts in the normal range.
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She was given a chest X-ray which revealed growths in her lower right lung which doctors suspected was cancerous.
Further tests revealed tumours across multiple organs in her body and she was diagnosed with lung carcinoma with choroidal metastasis in both the eyes.
