Tympanomastoid paragangliomas (TMPs) Class A Tumors confined to the middle ear A1 Tumor margins clearly visible on otoscopic examination A2 Tumor margins not visible on otoscopy. Tumors may extend anteriorly…
Fig. 9.1 MRI with gadolinium (axial view) of a case of right C3 TJP at the level of the horizontal segment (small arrow head) of the internal carotid artery. Note…
Fig. 1.1 Stacey Rufus Guild, Ph.D. (1890–1966) (From: Ruben RJ. The history of glomus tumors—nonchromaffin chemodectoma: a glimpse of biomedical Camelot. Acta Oto–Laryngologica. 2007;127:411–416) In 1945, Harry Rosenwasser reported a…
Fig. 4.1 Jugular paraganglioma arises from the jugular bulb. It frequently involves the surrounding bone and extends to the hypotympanum through the Jacobson’s canal (black arrow, a). Bone destruction is…
Fig. 2.1 Anatomy of the intracranial end of the left jugular bulb and its adjacent area. (a) Osseous structures related to the jugular foramen. The jugular foramen sits between the…
Fig. 12.1 Leksell Gamma Knife Perfexion (Elekta AB, Norcross, GA) Developed by Lars Leksell in the mid-twentieth century, the Gamma Knife radiosurgical system utilizes a headframe apparatus (Fig. 12.2 )…
Fig. 10.1 38-year-old woman with a large jugular paraganglioma, intact lower cranial nerves, and excess dopamine and norepinephrine secretion resulting in arrhythmia (a, b). She underwent an aggressive subtotal resection…
A Tumor limited to middle ear space B Tumor limited to the middle ear or mastoid without involvement of the infralabyrinthine space of the temporal bone C Tumor involving infralabyrinthine…
Fig. 11.1 Otoendoscopic appearance of temporal bone paragangliomas. (a) Tympanic paraganglioma, (b) jugular paraganglioma, (c) facial paraganglioma A comprehensive diagnostic workup is necessary in the evaluation of a temporal bone…
Spell-related signs and symptoms Anxiety and fear of impending death Diaphoresis Dyspnea Epigastric and chest pain Headache Hypertension Nausea and vomiting Pallor Palpitation (forceful heartbeat) Tremor Chronic signs and symptoms…
