Leptomeninges as the first and only dissemination site of colorectal cancer
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Colorectal cancer (CRC) is one of the most common cancer types in the world, ranked second in developed countries for both genders, with the incidence of around 70–80 per population of 100,000. CRC disseminates most frequently to liver, lung, and bones, whereas it is rather rare in other organs. The incidence of colorectal adenocarcinoma dissemination to the leptomeninges is not estimated and seems to be quite rare. We report a case of a woman with CRC and the disease dissemination to the leptomeninges as the first and only dissemination site.
A 61-year-old woman presented to the infectious diseases emergency room with a one-month history of fatigue, fever, photophobia, and mild headache that progressed to severe headache and vertigo. All of these symptoms appeared shortly after a mild conjunctivitis on both eyes that was treated with tobramycin eye-drops. The patient also emphasized a 1-year history of strabismus of the right eye and substantial weight loss of about 12 kg...