Medicine Tumors of Nervous System c282bb6a Koenen's tumor are seen in? A Neurofibromatosis B Tuberous sclerosis C Sturge weber syndrome D Tuberculosis High-Yield Explanation Ans. (b) Tuberous sclerosisRef : Dermatology by Otto Braun falco p 846, Harrison' internal medicine 18/e, chapter 53, p 410