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3 sie 2016 · The cross-sectional imaging modalities available include computed tomography (CT), magnetic resonance imaging (MRI), ultrasound (US) and positron emission tomography-computed tomography with fluorine-18-deoxy-D-glucose (18 FDG PET-CT). Each modality has its own strengths and weaknesses; these are enumerated below.
30 paź 2020 · Dynamic contrast-enhanced MRI perfusion imaging can be of value in detecting and quantifying a microvascularity within tissue, providing characterization for head and neck cancers. This is used to generate blood flow, blood volume, and transit time parameters within areas of interest, and may help in assessing the histological grade of tumors.
MRI is generally the cross-sectional study of choice for tumours of the suprahyoid neck, although local operational policy will dictate its role in imaging the various tumour sites. Multislice computed tomography (MDCT) may be used to acquire a rapid, high spatial resolution volume of data.
1 gru 2016 · This article seeks to give an overview of the various cross-sectional imaging modalities used in the evaluation of head and neck cancers.
Cross-sectional imaging has a central role to play in the management of patients with malignant disease and is used at all points along the patient care pathway: In the initial diagnosis and the staging of disease extent. For monitoring response to treatment. For evaluation of any residual mass after treatment.
3 paź 2019 · Optical coherence tomography (OCT) is a non-invasive, optical imaging modality, which enables cross-sectional and three-dimensional tomographic imaging of tissue microstructure with a...
22 wrz 2020 · B, C, MRI scans obtained 1 month later demonstrate avid enhancement and decreased T2 signal intensity within the labyrinthine structures, including the cochlea (arrow in B) and lateral semicircular canal (arrow in C).
