Mri

Question 0

Quale è il suo unico grosso problema?

Answer 0

suboptimal specificity (81-97%)

determinate lesions (UBOs: unidentified breast objects)
nNeed for reporting and management of MRI detected lesions

nAdditional disease is to be confirmed by biopsy if it is to change the surgical management

Question 1

Caratteristiche principali

Answer 1

nIt is the most accurate technique for diagnosing and delineating the extension of breast cancer (both invasive and in situ)

nIt will identify additional foci of the disease in up to 30% of cases that will change the management (mastectomy vs conservative surgery)

Question 2

Che contrasto si usa e che caratteristiche ha?

Answer 2

Gadolinium is a strong paramagnetic contrast agent due to having 3 unpaired electrons that creates a magnetic field which inflences the relaxation times of H in water molecules (shortening of T1)

Accorcia il tempo di rilassamento dei tessuti.

Question 3

Per i chi è indicato l esame MRI?

5 casi

Answer 3

Indication for Breast MRI

1. Preoperative Staging To assess the extent of a newly diagnosed breast cancer (++lobular K)
2. Unknown primary
3. Monitoring neoadiuvant chemoterapy
4. Screening high risk women
5. Breast implant
6. Controllo post operatorio