can occipital neuralgia impair pituitary functions?

i’ve been to a neurologist to try and diagnose probable impairment of pituitary functions, especially weight gain, however with a few hours of research on a few medical websites, i’m coming to realise that all my symptoms (apart from weight gain) point to occipital neuralgia. am booked for mri next week can occipital neuralgia impair [...] http://bit.ly/p79PGw