Abstract
Abstract Chiari malformation (CM) 1 is the most common of all types and is often found incidentally. Neurological symptoms occur due to compression of the cerebellum or medulla at the foramen magnum and/or development of syrinx. Psychiatric symptoms have also been reported. We report a case of CM who underwent decompression surgery but developed self-biting of fingers first on the left hand, which resolved and then on the right hand with extensive mutilation and tissue damage. He improved with oral amitriptyline, but the cause of his self-biting remains unexplained. It is not uncommon to find psychiatric disorders in patients with neurological disorders; therefore, a detailed history and a holistic approach are warranted.
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