“…Second, not all ganglia affecting the nerve are intraneural ganglia. Extraneural ganglia 6,11,13,16,19,20,24,27,28,41,55,57,67,69,70,73,74,80,81,89,95,102,104,105,108,110,119,121,122,124,141,152,153,187,188,192,194,204 frequently adhere to surrounding structures and can extrinsically compress the nerve by their proximity or size; 69,70,73,141 therefore, they may be easily confused with intraneural ganglia. Indeed, both of these lesions are represented in earlier reports of ganglia that affect the nerve.…”