← All decks
ENT
Non-paraganglioma Jugular Foramen Tumors
Built from Haynes-Glasscock-Shambaugh Surgery of the Ear, Seventh Edition
What’s inside
5 sections · 97 slides
Jugular foramen anatomy and tumor spectrum
- Location of the jugular foramen
- Pars nervosa and pars vascularis
- Jacobson's and Arnold's nerves
- Relative frequency of jugular foramen tumors
- Non-paraganglioma tumors covered
- Lesions excluded from this discussion
- Clinical presentation of jugular foramen tumors
- Jugular foramen syndromes
- Localisation of lower cranial nerve deficits
- Why both CT and MRI are required
- Recommended CT protocol
- Recommended MRI protocol
- Preoperative assessment of the venous system
- Treatment options across tumor types
Jugular foramen schwannoma
- Epidemiology of jugular foramen schwannoma
- Neurofibromatosis type 2 in young patients
- Presenting symptoms of jugular foramen schwannoma
- Anatomical extent and symptom burden
- Smooth scalloped enlargement of the jugular foramen
- CT features of jugular foramen schwannoma
- MRI signal characteristics of a lower cranial nerve schwannoma
- MRI features of jugular foramen schwannoma
- Permeative destructive bone change of jugular paraganglioma
- Growth pattern along the parent nerve
- Nerve of origin and direction of spread
- Kaye and Pellet classification of extent
- Indications for observation
- Principles of surgical approach
- Venous invasion: schwannoma versus paraganglioma
- Retrosigmoid craniotomy for intracranial tumors
- Approaches for tumors centred in the foramen
- Facial nerve rerouting and the fallopian bridge
- Approaches for predominantly extracranial tumors
- Neurological complications of resection
- Cerebrospinal fluid leak and mortality
- Prevention and management of CSF leak
- Extent of resection in schwannoma
- Conservative versus gross total resection
- Facial nerve outcome after resection
- Follow-up after schwannoma treatment
- Recommended imaging surveillance schedule
- Evidence for stereotactic radiotherapy in schwannoma
- Patient selection for stereotactic radiation
- Cranial nerve recovery after radiotherapy
- Timing of radiotherapy relative to growth
- Recurrence after schwannoma resection
- Contrast with vestibular schwannoma recurrence
- Cranial nerve outcomes in schwannoma
Jugular foramen meningioma
- Epidemiology of jugular foramen meningioma
- Presenting features of jugular foramen meningioma
- Conductive hearing loss with an intact ossicular chain
- Hyperostotic bone change adjacent to a jugular foramen meningioma
- CT features of jugular foramen meningioma
- Growth pattern of primary jugular foramen meningioma
- Enhancing mass with dural tails at the jugular foramen
- MRI features of jugular foramen meningioma
- Observation of jugular foramen meningioma
- Surgical approaches to jugular foramen meningioma
- Advantages of facial nerve rerouting in meningioma
- Stereotactic radiation for jugular foramen meningioma
- Timing of adjuvant radiation after subtotal resection
- Recurrence of jugular foramen meningioma
- Function-preserving multimodal strategy
- Cranial nerve outcomes across the three tumor types
- Facial nerve and radiotherapy outcomes in meningioma
Metastatic disease of the jugular foramen
- Frequency of intracranial and temporal bone metastasis
- Primary sites metastasising to the jugular foramen
- Presentation of metastatic jugular foramen disease
- Destructive bone change from metastatic melanoma
- Renal cell carcinoma metastasis imitating a paraganglioma
- Imaging features of jugular foramen metastasis
- Observation and whole brain radiotherapy
- Surgical excision of metastatic deposits
- Radiotherapy for metastatic jugular foramen disease
- Systemic therapy in metastatic disease
- Cranial nerve outcomes and dose limits
Differentiating the tumors and key messages
- Bony change on CT by tumor type
- MRI features that discriminate
- Preoperative versus postoperative cranial nerve deficit
- Role of observation and radiotherapy by tumor type
- Selecting the surgical approach
- Key messages
- Key messages on management
- References
- References (continued)
- References (continued)
- References (continued)
- References (continued)
- References (continued)
- References (continued)
- Haynes-Glasscock-Shambaugh Surgery of the Ear, Seventh Edition
- Join our WhatsApp groups