The following are the indication of the embolization of skull base tumours: as an adjuvant to tumour resection in order to reduce operative blood loss and facilitates surgery. To arrest
Tag: MBBS Past Questions
What are the tumours in ENT treated with selective embolization? List skull base tumours which may benefit from preoperative embolization.What are the tumours in ENT treated with selective embolization? List skull base tumours which may benefit from preoperative embolization.
The following are the head and neck and skull base tumours treated by embolization. commonly treated tumours Meningioma (skull base most benefited) Paraganglioma(skull base most benefited) Juvenile angiofibroma Hemangiopericytoma Less
What are the different types of spin echo of magnetic resonance imaging (MRI)? What are the fundamental characteristics features of T1, T2 and STIR echo sequences?What are the different types of spin echo of magnetic resonance imaging (MRI)? What are the fundamental characteristics features of T1, T2 and STIR echo sequences?
The following are the different types of spin echo of magnetic resonance imaging (MRI): Single echo spin echo Simplest for of SE pulse sequence consist of 90° pulse, 180º pulse
What are the different types of spin echo of magnetic resonance imaging (MRI)? What are the functional characteristic features of T1,T2 and STIR echo sequences?What are the different types of spin echo of magnetic resonance imaging (MRI)? What are the functional characteristic features of T1,T2 and STIR echo sequences?
The spin echo sequence is a fundamental pulse sequence in MRI A single RF pulse generates a free induction decay (FID) but 2 successive RF pulse produce a spin echo
Compare the diagnostic criteria of CT/MRI and ultrasound for the detection of secondaries in neck. What are the sensitivity and specificity of these imaging modalities in such conditions?Compare the diagnostic criteria of CT/MRI and ultrasound for the detection of secondaries in neck. What are the sensitivity and specificity of these imaging modalities in such conditions?
Malignant lymphnodes No echogenic eccentric hilum Discolored colour Doppler Rounded : RT < 1.5 Size usually >10 mm ∼7 mm in upper jugular chain and 6 mm in ref. Hypoechoeic and
Highlight the role of USG diagnosis and management of head and nerve lesions?Highlight the role of USG diagnosis and management of head and nerve lesions?
Ultrasound is defined as sound a frequency above the upper length of normal hearing (ULKHZ) Ultrasound image are formed from the reflected sound waves(2.5-30 MHz ). Sound waves are generated
Why does USG is gaining popularity in modern medicine? What are the advantage of USG?Why does USG is gaining popularity in modern medicine? What are the advantage of USG?
Doppler USG allows the imaging of blood flow in vessels an important adjustment to grey scale imaging and has allowed greater diagnostic confidence in image inter preparation. It is gaining
Mention at least six different morphological features of malignant infiltrated cervical lymphnode detected by modern USG?Mention at least six different morphological features of malignant infiltrated cervical lymphnode detected by modern USG?
The following are the different morphological features of malignant infiltrated cervical lymph node detected by modern USG: Round shape short axis diameter of 8mm or more. Heterogeneous echo-texture Cystic or
What is pixels and voxels?What is pixels and voxels?
Two dimensional slice section are composed of pixels which are the smallest picture elements. The more the pixels in a certain distance the better the resolution. Currently the highest resolution
What are the advantages and clinical application of image guided surgery in ENT?What are the advantages and clinical application of image guided surgery in ENT?
Image guided surgery is the general term used for any surgical procedure where the surgeon employs tracked surgical instruments in conjunction with preoperative or intraoperative images in order to indirectly