MRI of the neck

MRI in the neck is an MRI scan of the neck and neck to diagnose neck lesions. The patient took the supine position, the head was advanced, and the head was placed in the coil. The median sagittal plane of the head was consistent with the XO plane; the bilateral ocular line was parallel to the ZO plane, and the bilateral iliac crest and ear were fixed to prevent movement. The center of the horizontal axis of the coil is aligned with the center of the inspection site. Basic Information Specialist Category: Inspection Category: Nuclear Magnetic Resonance Applicable gender: whether men and women apply fasting: not fasting Analysis results: Below normal: Normal value: no Above normal: negative: Check for abnormal lumps and areas. Positive: 1. MRI examination of the neck is suitable for neck disease. Such as benign and malignant tumors, vascular lesions, cystic lesions in the neck, granulomatous lesions in the neck, lymph nodes in the neck. 2, the soft tissue of the neck is rich in blood vessels, in order to eliminate the pulsation artifacts, the saturated band can be added to the proximal and distal ends respectively. Severe arterial pulsation artifacts can be achieved by ECG and pulse synchronous acquisition techniques. 3, cervical vascular disease, 2D (3D) TOF method or PC method vascular imaging technology, or increase the contrast agent using 3D-CE-MRA technology. Tips: Those who install artificial heart pacemakers and nerve stimulators are forbidden to do this check. Normal value Subcutaneous fat and bone marrow showed high signals on T1WI, T2WI and proton density images; cortical bone, air, ligament, tendon and fibrocartilage showed low signal; muscle and joint hyaline cartilage showed moderately low signal. Fluids, such as intra-articular fluid, inflammation or edema and tumor tissue, are low on T1WI and high on T2WI. The hematoma shows different signs of intensity depending on the length of the bleeding. Check for abnormal lumps and areas. Clinical significance Abnormal result Neck MRI is adapted to neck disease. Such as benign and malignant tumors, vascular lesions, cystic lesions in the neck, granulomatous lesions in the neck, lymph nodes in the neck. The anterior cervical soft tissue is rich in blood vessels, and the saturation band can be added to the proximal and distal ends respectively to eliminate vascular pulsation artifacts. Severe arterial pulsation artifacts can be achieved by ECG and pulse synchronous acquisition techniques. Cervical vascular disease can be performed by 2D (3D) TOF or PC angiography, or by adding contrast enhancing agent using 3D-CE-MRA technique. People who need to be examined: people with sore neck and abnormal pain around the neck. Precautions Forbidden before examination: fasting and water-free 4 hours before imaging examination, training patients to hold their breath. Requirements for inspection: Check the relaxed mood, follow the doctor's instructions to check, please bring the medical records, X-ray film, CT film, and previous MRI films along with the MRI room for reference. Inspection process 1. Use the head and neck joint coil or the neck phased array coil or the neck surface soft coil (depending on the scanning position). The patient took the supine position, the head was advanced, and the head was placed in the coil. The median sagittal plane of the head was consistent with the XO plane; the bilateral ocular line was parallel to the ZO plane, and the bilateral iliac crest and ear were fixed to prevent movement. The center of the horizontal axis of the coil is aligned with the center of the inspection site. 2. Conventional imaging orientation and sequence: The nasopharynx, oropharynx, larynx and thyroid gland are routinely used with transverse axis T1WI and T2WI, with coronal or sagittal T1WI or T2WI. The conventional layer has a thickness of 3 to 5 mm and a pitch of 20%. The phase encode direction: the cross section adopts the LR direction, the sagittal plane adopts the AP direction, and the coronal plane adopts the LR direction. 3. Contrast enhancer: Contrast agent: 0.5 mol/L (Gd-DTPA), 0.1 mmol/Kg, 0.5-1 mL/s intravenously. Scanning sequence: T1WI scan of the lesion with cross-section, coronal plane, and sagittal plane. Not suitable for the crowd Inappropriate crowd: 1. Those who install artificial heart pacemakers and nerve stimulators are forbidden to check. 2. It is forbidden to check if there is a silver clip in the skull and a metal foreign object in the eyeball. 3. The ECG monitor cannot enter the MRI examination room. Those who have undergone arterial surgery, have had heart surgery and have an artificial heart valve are forbidden to check. 4, a variety of critically ill patients: such as coma after trauma or accident, irritability, arrhythmia, respiratory insufficiency, constant blood loss and incontinence and so on. 5. Metal objects (such as internal fixed steel nails) cannot be inspected at the inspection site. 6. Pregnant women should be examined carefully. If they are pregnant, please inform the doctor. Adverse reactions and risks Nothing.

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