Phelp's sign is seen in:
Glomus jugulare
Vestibular Schawannoma
Maniere's disease
Neurofibromatosis
Phelp's sign Phelp sign This sign is seen on CT scan In CT- in case of glomus jugulare tumor the normal crest between the carotid canal and jugulare tumor is absent whereas it is not so in case of glomus tympanicum