10 minutes to remember the MRI manifestations of cerebral hemorrhage (1): T1, T2 articles

Dear friends, have you encountered such problems during the director's ward rounds, the rotation of the imaging department, the resident examination, and the job interview? Talk about the MRI evolution of cerebral hemorrhage? At this time, are you secretly happy, or is it just a déjà vu?

If you can't remember it, you really can't blame everyone.

1.

Three advantages:

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3.

PS Of course, the time and signal changes in practice are not absolute, and this is actually a manifestation of arterial bleeding

2.

It's easy to say first, the blood has just flowed out of the arteries, the red blood cells are still intact, and there is oxyhemoglobin hidden in them.

Hey, it is too difficult to understand these two paragraphs in a small space

Let's take a closer look:

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2.

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4.

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Then solve the third problem, take it easy, the picture is coming, let us consolidate the results of today's learning, all first T1, then T2

Hyperacute phase (<24h): right paraventricular

Acute phase (1-3d): right occipital lobe

Early subacute (3-7d): pons

Late subacute (7-14d): left subdural

Chronic phase (>14d): arrow

Finally, let me tell you the truth, can you remember it in ten minutes? Nonsense, of course I can't remember one ten minutes, and the human brain is not a USB flash drive, so copy it in and finish it

Here today, everyone digests the traditional T1 and T2.
In a few days, we will pursue a fashionable GRE gradient echo sequence that actually changed the guideline, as well as the newer DWI and FLAIR sequences relative to T1 and T2
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Let me tell you a little bit about my personal impressions, what age is it, and I still take T1 and T2 exams, how low it must be
.
The current NMR, even if not all of them have GRE (and T2*, SWI, is it stupidly unclear?) sequence, there must be DWI and FLAIR, based on practical principles
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