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【Case Lecture Hall】ADEM in acute disseminated encephalomyelitis

 Last Update: 2022-11-04
 Source: Internet
 Author: User

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【Medical history】10-year-old boy, sudden fatigue
.

Question 1: Where is the most obvious anomaly located?

A.
All spinal cord

B.
Cervical medulla

C.
Epidural space

D.
Subdural space

E.
C and D

2
.
Fistula visible.

A.
Correct

B.
Error

3.
Local bleeding
is visible.

A.
Correct

B.
Error

4.
The most likely diagnosis is multiple sclerosis (MS).

A.
Correct

B.
Error

5.
Please select the correct diagnosis:

A.
Acute disseminated encephalomyelitis (ADEM)

B.
Transverse myelitis

C.
Astrocytoma

D.
Epenymoma

E.
Metastases

Answer: 1.
A 2.
B 3.
B 4.
B 5.
A

【Imaging findings】

Abnormal T2 and STIR bright high intensity can be seen in all spinal white matter, several patchy strengthening areas are seen in the neck and thoracic cord, and the spinal cord diameter is normal
.

【Differential diagnosis】

【Diagnosis】Acute disseminated encephalomyelitis ADEM

【Points】

MR performance

Etiology: autoimmune leading to inflammation; Pre-infection, including mumps, streptococcus, mycoplasma, chickenpox, influenza, Epstein-Barr virus, vaccination, injection of immunoglobulin, etc
.

【Differential diagnosis】

This plot can be used to distinguish ADEM from MS

ADEM (A–C upper three figures), MS (D–F lower three figures)

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