ENT radiology Flashcards
(23 cards)
plain radiographs in ENT used for:
inhaled/ingested FBs
AP and lateral
US in ENT used for
neck lumps, FNA
salivary glands
inflam mass if suspect abscess
neck lump first line investigation
US
features of a benign lymph node
elliptical
obvious central fatty hilum
organised vascular supply centred on hilum
features of malignant lymph node
round
angiogenesis
most common thryoid malignancy
papillary carcinoma
CT indications in ENT
infection Ix trauma neck mass vocal cord palsy choleasteatoma auditory implants paranasal sinus for Sx nasal tumours stage cancers - CT neck and chest
CT is better for __ and MRI for ___
CT = larynx MRI = skull base
CT is used over MRI in this group of patients because of a shorter scan time
elderly/debillitated
FESS =
functional endoscopic sinus Sx - CT pre-op for Sx
for sensorineural hearing loss imaging =
MRI
imaging for conductive hearing loss =
CT
foramen rotundum transmits ___
connects ___ to ___
CNV2
pterygopalatine fossa to middle cranial fossa
foramen ovale transmits ___ and ___
CNV3 and accessory meningeal artery
foramen spinosum transmits __
middle meningeal artery
vidian canal transmits ___
vidian artery nerve and vein
pharyngeal mucosa space contains
mucosa
lymphoid tissue
constrictor muscles
parapharyngeal space contains
carotid sheaths
parotid space contains ++_
parotid gland retromandibular vein (right next to) CNVII
masticator space contains ++_
mandible
mastication muscles
CNV
retropharyngeal space contains
retropharyngeal lymph nodes
carotid space contains
carotid artery jugular vein
cranial and sympathetic nerves
lymph nodes
pathology associated with the carotid space
Schwannoma
paraganglioma
lymphoma
