Dr. V MalhotraConsultant Radiologist
WHHT
The introduction of cross-section imaging, CT and MRI has hugely expanded the scope and ability of head and neck radiology to recognize and assess disease.
Plain radiographs and conventional tomography have virtually no place in the assessment of disease in the modern setting.
Contrast medium studies still have a major role in the assessment of disorders of swallowing.
Ultrasound in skilled hands is fast becoming the first line investigation for many neck conditions.
Role of Radiology:-
Detection of disease . (Modern ENT clinics are equipped with advanced audiological and electrophysiological equipments already)
Pathological characterization if possible. (FNAC)
For ENT surgeon –to know the extent of disease.
THE NOSE AND PARANASAL SINUSES
Common drainage pathways of the maxillary, anterior ethmoid and frontal sinuses
Osteomeatal complex (OMC)
MaxillaryMaxillary sinus sinus MaxillaryMaxillary sinus sinus
Frontal sinusFrontal sinusFrontal sinusFrontal sinus
* *Ethmoid infundibulumEthmoid infundibulumEthmoid infundibulumEthmoid infundibulum
Middle Middle meatusmeatusMiddle Middle meatusmeatus
Uncinate processUncinate processUncinate processUncinate process
Large ethmoid Large ethmoid bullabullaLarge ethmoid Large ethmoid bullabulla
Ethmoid infundibulumEthmoid infundibulumEthmoid infundibulumEthmoid infundibulum
Frontal Frontal recessrecessFrontal Frontal recessrecess
Uncinate processUncinate process
Agger nasi Agger nasi cellscells
Agger nasi Agger nasi cellscells
Frontal Frontal recessrecess Frontal Frontal recessrecess
Uncinectomy, middle meatal Uncinectomy, middle meatal anterostomies, partial ethmoidal anterostomies, partial ethmoidal
resectionresection
Uncinectomy, middle meatal Uncinectomy, middle meatal anterostomies, partial ethmoidal anterostomies, partial ethmoidal
resectionresection
Antrochoanal
polyp
Sinonasal Tumours
Mucocoele
• Acquired deafness and tinnitus are common problems and patients should be carefully selected for imaging.
• Conductive deafness is best imaged with HRCT and • Sensorineural deafness with T2 weighted 3D MRI.
• Common causes of conductive deafness; cholesteatoma, ossicular fixation, ossicular erosion, traumatic subluxations and dislocations and otospongiosis.
• Investigation of acquired sensorineural deafness mainly revolves around excluding vestibular schwannoma and differentiating this from other causes of CP angle masses.
The EAR
Normal 7th & 8th nerves
Acoustic Neuroma
Acoustic Neuromas
Cholestatomas
Normal Lymph node
Mets from SCC
Tubercular node
Met. Papillary Ca.
Normal Thyroid
Benign hyperplasticnodule
Papillary Carcinoma thyroid
Chronic Thyroid Cyst
Chronic Thyroiditis