Pike-Lee T, Twydell P, Li Y. Anterior Spinal Extradural Cyst Mimicking Hirayama Disease and Amyotrophic Lateral Sclerosis: Anterior spinal cyst causing motor neuron degeneration. rrnmf [Internet]. 2020 May 1 [cited 2025 Apr. 6];1(1):47-9. Available from: https://journals.ku.edu/rrnmf/article/view/13508