Complex sentence: In most cases, the cause of laryngeal paralysis is unknown or idiopathic; however the disorder may arise secondary to hypothyroidism, general neuropathies, generalized neuromuscular diseases, muscular diseases, cancer, or trauma.
Split into simpler sentences: In most cases, the cause of laryngeal paralysis is unknown or idiopathic. However, the disorder may arise secondary to hypothyroidism, general neuropathies, generalized neuromuscular diseases, muscular diseases, cancer, or trauma.