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Woman's sudden blindness in 1 eye revealed hidden lung cancer
By Emily Cooke,
2024-04-30
In an extremely rare case, a woman's sudden blindness in one eye turned out to be the first symptom of undiagnosed lung cancer that had spread throughout her body.
The woman first sought medical attention after losing vision in her right eye and experiencing occasional flashes of light in her left eye for around 20 days. She was 32 years old at the time and otherwise healthy, with no other symptoms and no history of smoking.
During an initial eye exam at the hospital, doctors determined her eyes looked healthy. They were not painful or red and the eye's key structures appeared intact — the lens was clear, and the pupil and iris, or colored part of the eye, didn't show noticeable abnormalities.
However, upon closer inspection, doctors saw that there was a large, whitish-yellowish mass growing in the back of her right eye. Fluid had also accumulated under her retina, the light-sensitive part of the eye, causing it to detach. There was a similar, smaller lesion in her left eye, but its retina was still intact.
Finally, a chest X-ray and whole-body scan revealed the culprit — a mass of cancerous tissue growing in the lower part of the woman's right lung. This tumor had spread to multiple other organs, including part of the eyes called the choroid .
Cancer that develops in one part of the body then spreads to another is called metastatic cancer . Most of the time when cancer spreads to the eyes, the migrating tumors lodge themselves into the choroid. However, this rarely occurs in lung cancers, which only migrate to the eyes in around 0.1% to 7% of cases.
Doctors say without her vision loss, the woman's lung cancer may have continued to spread throughout her body undetected. (Image credit: Image appears courtesy of Elsevier. Copyright Elsevier 2024.)
The doctors who treated the woman believe her case could be the first example of a non-smoking woman of her age developing visual impairment as the first symptom of lung cancer. The woman likely had a distinct subset of lung cancer that can spread without causing telltale symptoms of metastasis, the doctors wrote in a report of her case, published April 17 in the journal Radiology Case Reports .
After her cancer was spotted, the woman was referred to an oncologist for treatment; the case report did not note how she's faring now.
More research is needed to ensure that this seemingly specific type of lung cancer is promptly diagnosed and treated in other people, the doctors wrote in the report.
This article is for informational purposes only and is not meant to offer medical advice.
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