<prompt> Most common cranial nerve involved in sarcoidosis:3578  <response>: Ans. C. 7 The most common cranial nerve involved in Sarcoidosis is the seventh nerve, which can be affected bilaterally. Nerve biopsy can reveal non caseating granulomas infiltrating the endoneurium, perineurium, and epineurium along with lymphocytic necrotizing angiitis. Neuro sarcoidosis may respond to treatment with glucocorticoids or other immunosuppressive agents. 