<prompt> Pulsatile tinnitus in ear is due to:Malignant otitis mediaOsteomaMastoid reservoirsGlomus jugulare tumour  <response>: d Glomus jugulare tumourRef. Scott Brown, 8th ed., Vol 2 page 1283For the tinnitus to be pulsatile the cause has to be vascular. Vascular causes to tinnitus are Glomus jugulare and internal carotid aneurysms. 