הבית לחולי טרשת נפוצה

איך מאבחנים טרשת נפוצה?

הדמיה בתהודה מגנטית (MRI), ניקור מותני, פוטנציאלים מעוררים ובדיקה נוירולוגית – על הבדיקות המסייעות באבחון טרשת נפוצה

תהליך האבחון של טרשת נפוצה אינו פשוט. למחלה זו סימפטומים רבים וכמעט ואין מטופל עם תמונה קלינית הדומה לזו של מטופל אחר. מספר בדיקות מסייעות לאבחן או לאשש אבחנה של טרשת נפוצה ולעקוב אחר מצב המחלה במטופלים.

Magnetic Resonance Imaging) – MRI ) הדמייה בתהודה מגנטית, סורק ה-MRI משתמש בשדה מגנטי גדול כדי ליצור תמונה מפורטת של המוח ועמוד השדרה, המרכיבים יחדיו את מערכת העצבים המרכזית. המכשיר מאוד מדויק ויכול להצביע על המיקום והגודל של כל פגיעה או צלקת במעטפת המיאלין המאפיינות טרשת נפוצה (הפגיעות והצלקות הללו נקראות נגעים או לזיות).

בדיקת ה-MRI מאששת את האבחנה של טרשת נפוצה בלמעלה מ- 90% מהאנשים, ומכאן החשיבות הרבה שלה. היא גם משמשת למעקב אחר המחלה.

כדי לקבל את תוצאות ההדמיה של המוח או עמוד השדרה, על האדם לשכב ולהיכנס לתוך מנהרה צרה הנמצאת במרכזו של סורק ה-MRI. התהליך לוקח בין 60-30 דקות ותלוי בסדרת ההדמיות שהנוירולוג בוחר לבצע. הסריקה אינה כואבת ואין בה שימוש בקרינה מייננת מזיקה.

לכתבה המלאה באתר "כמוני" לחצו כאן

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