Well described problem, thank for the clarity with which you osed the question. since around 2004 the issues of contralateral nerve damage after a unilateral insult to a nerve has been demontrated in the research literature. It is much more common than one would think to hae symptoms start on one side of the body and in time to develop mirror/contralateral signs and symptoms and even degeneration of axons! Perhaps this should be considered as somewhat preliminary, albeit of significant interest, and certainly matches anecdotal "evidence". The unanswered question, after correcting the primary problem does one get some regeeneration on the opposite side? Do contralateral signs and symptoms reduce or go after addressing the original problem, I believe that they do reduce.
You definetely must get cleared by a hernia specialist and I sugest both the standing screen and the supine screen and screen for the more rare "non-hernia" tear of abdominal tendons, which occurs above or below the inguinal canal, whereas the typical inguinal hernia occurs within the canal. Also get screen for less common femoral and obturator. All of the proximal innervation can cause confusing pain referral, so one must screen the entire region, especially in chronic cases such as yours.
You certainly could have a traumatic (or other insult such as viral) neuropathy but would also consider the ilioinguinal and iliohypogastric, lesser considerations the accessory obturator and femoral portion of genitofemoral. I developed an intra-inguinal sensory evaluation and published it in a brief letter to the editor in J Manual & manip ther. I am happy to speak with you, my email is [email protected]
best of luck, keep usposted
jerry hesch






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