What is the difference between magnetic resonance enhancement, uneven enhancement and enhancement

Nuclear magnetic resonance. Difference between non-uniform reinforcement and uniform reinforcement:

1. Uneven strengthening: It indicates that the blood vascularity of the lesion is uneven, with more blood supply in some places and less blood supply in some places.

2. Uniform strengthening: It is the blood circulation of this lesion.

Good. MRI with contrast is a general examination to further understand the imaging of the lesion.

characteristics.

To put it simply, it is done to determine the benign and malignant lesions. Compare with noncontrast to see if the lesion is enhanced by contrast-enhanced scanning. It is to confirm the diagnosis further.

In general, if the doctor recommends enhancement, it means that the existing data is not enough to accurately diagnose the disease, and the differential diagnosis is very difficult.

Summary. Hello, I'm glad to be able to answer for you, obvious enhancement, refers to the CT contrast scan, intravenous injection of contrast medium at the same time, enhanced scanning can improve the detection rate of lesions, can observe the blood supply of lesions,. "Mild enhancement means that the blood supply is not abundant.

Enhancement mainly indicates the blood ** condition of the tumor or lesion. Uneven enhancement is a common description of malignant tumors by contrast-enhanced CT or MRI, and malignant tumors have strong uptake of iodine preparations, and iodine preparations are characterized by increased CT values on CT images. "I hope mine is helpful to you and I wish you a happy life.

What does overt, mild, and uneven reinforcement mean?

Hello, I have seen your question and am sorting out the answer, please wait a while Oh speak. Hello, I'm glad to be able to answer for you, obvious enhancement, refers to the CT contrast scan, intravenous injection of contrast medium at the same time, enhanced scanning can improve the detection rate of lesions, can observe the blood supply of lesions,. "Mild enhancement means that the blood supply is not abundant.

Enhancement mainly indicates the blood ** condition of the tumor or lesion. Uneven enhancement is a common description of malignant tumors by contrast-enhanced CT or MRI, and malignant tumors have strong uptake of iodine preparations, and iodine preparations are characterized by increased CT values on CT images. "I hope mine is helpful to you and I wish you a happy life.

MRI scan visible enhancement: Enhancement on MRI scan is to find such as "hyperplasia", space-occupying lesions (hematomas, polyps, stones, masses), etc., which require further examination to confirm the diagnosis.

Mild enhancement on MRI scan: Mild enhancement on CT enhancement scan generally indicates that the blood circulation of the lesion is not very rich, but it is stronger than that of normal tissues, and the common ones are inflammation and some benign tumors; However, the mild enhancement of CT scan indicates that the blood circulation in this area is very abundant, and the most common is some high-functioning nodules or malignant tumors.

Moderate enhancement on MRI scan: indicates that the blood supply to the lesion is abundant.

MRI scan is significantly enhanced: in CT scan, when the density of the diseased tissue and the normal tissue is close, the difference in X-ray absorption between the two is very small, and the natural contrast of the CT image is low, making the lesion tissue difficult to observe, analyze and diagnose. The method of introducing iodine contrast medium is used to artificially increase the difference in X-ray absorption between tissues, so as to improve the contrast of CT images.

This method is CT contrast contrast, or CT contrast for short.

The difference between the two fissures is whether the blood circulation is uniform. The specific analysis is as follows: 1. The uneven enhancement indicates that the blood vascularity of the lesion is uneven, and there is more blood supply in some places and less blood supply in some places.

Uniform enhancement is good blood circulation in this lesion. 2. Magnetic resonance is the resonance transition between the atomic nucleus and the magnetic field when the nuclear system in the static magnetic field is subjected to a certain frequency of electromagnetic waves, which is the resonance between the atomic nucleus and the magnetic field; MRI is performed on a general examination to further understand the imaging characteristics of the lesion. 3. Magnetic resonance imaging is a powerful medical imaging technology, especially in soft tissue examination, it has excellent tissue contrast and spatial resolution, it can be multi-angle, multi-sequence and multi-parameter imaging, in addition to the lungs, gastrointestinal tract is not good, can check the whole body of any part of the fluid.

For example, a low-density shadow was found on the liver, and the edge of the arterial phase of the lesion was nodularly significantly strengthened after the enhanced scan, and the enhancement range of the venous phase was expanded, and the delay phase was basically filled with isodensity or high density. According to the enhancement mode of this lesion, it is a lesion with obvious enhancement, and it is considered to be a hepatic hemangioma.

In addition, focal nodular hyperplasia on the liver is also significantly enhanced in the arterial phase. There is also an obvious enhancement of liver cancer, and the enhancement of liver cancer is in and out of the way, mainly in the arterial phase. Liver cancer lesions are significantly strengthened because the blood supply is relatively abundant.

Obviously strengthened lesions need to be considered according to the user's clinical history, the characteristics and location of the lesion are favored, and the obviously enhanced lesions are benign and malignant.

Summary. CT with contrast suggests that mild enhancement means that the blood supply is not abundant. Enhancement mainly indicates the blood ** of the tumor or lesion, and if the enhancement is more obvious, the more abundant the blood**.

What does it mean to be markedly strengthened, mildly strengthened, and unevenly strengthened.

CT with contrast suggests that mild enhancement means that the blood supply is not abundant. Enhancement mainly indicates the blood ** of the tumor or lesion, and if the enhancement is more obvious, the more abundant the blood**.

According to the grade, it is divided into: mild reinforcement, moderate reinforcement, and obvious reinforcement.

Uneven reinforcement means that the blood ** condition is unstable.

There are also anomalous enhancements.

Abnormal enhancement is above or below the normal range, which is called abnormal reinforcement.

There are three differences:

1. In terms of function: enhancement can detect some lesions with equal signals, no mass effect, and no edema, and it cannot be displayed without enhancement. Enhancement can also identify the nature of some of the masses and aid in diagnosis.

2. In terms of cost: enhancement is much more expensive than no enhancement.

3. In terms of inspection methods: enhancement requires an injection of GD-DTPA, and no enhancement does not require injection.

The difference between MRI enhancement and non-enhancement is: different contrast agents, different resolutions, and different spin directions.

First, the contrast agent is different.

1. MRI enhancement: MRI enhancement requires injection of contrast agent before operation.

2. MRI is not enhanced: MRI is not enhanced, and there is no need to inject contrast agent before operation.

Second, the resolution is different.

1. MRI enhancement: MRI enhancement has a high resolution, and can perform multi-directional tomography scanning of cross-sectional, sagittal plane, coronal plane and various inclined planes.

2. MRI is not enhanced: The resolution of MRI without enhancement is lower, and the direction of the tomography scan is less.

3. The spin direction is different.

1. MRI enhancement: MRI enhancement can use the applied magnetic field to change the spin direction of electrons around water quality molecules.

2. MRI is not enhanced: MRI is not enhanced, and it cannot change the spin direction of electrons around water quality molecules.