What are some commonly missed diagnoses that should be considered in cases of otherwise seronegative yet steroid-responsive autoimmune encephalitis?   

One shouldn't neglect to consider lymphoma as another differential in such cases as there had been reports of lymphoid malignancies presenting in such a manner. Ideally, cytology and flow ctyometry would have been obtained at the initial presentation since steroids may alter a CSF profile which migh...

I usually wait at least 9-12 months to reimage as the therapies take this amount of time to fully work. Robert Burger M.D.