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</html><description>The cause of the inflammatory materials and stone formation is not well understood, though viral infections and diet may play a role. Other causes are reported such as cancer, previous injury causing scarring, and trauma are also reported. Early neutering of cats does not cause reduction of urethral size as in some other species.</description><thumbnail_url>https://www.sentinelvse.com/blog/wp-content/uploads/2020/12/iStock-525982936.jpg</thumbnail_url><thumbnail_width>2000</thumbnail_width><thumbnail_height>1330</thumbnail_height></oembed>
