Medical Next's Diagnostic Radiology: AIIMS May 2001 to Nov 2019 by Dr Abhay Singh & Dr Nitesh Mishra

Author:Dr Abhay Singh & Dr Nitesh Mishra [Singh, Dr Abhay]
Language: eng
Format: epub
Published: 2020-01-10T17:00:00+00:00

Indications of MRI in cancer breast:

For assessment of response in neo-adjuvant treatment

Define extent of cancer

Presence of multi-focal and multi-centric cancer in ipsi-lateral breast

Screening of contra-lateral breast

Occult primary with axillary nodal carcinoma

Invasive lobular carcinoma

Answer: MRI

Ref: Perez and Brady’s Radiation Oncology 7TH Edition

3. Patient with 6th cranial nerve palsy, T2 weighed MRI showing hyper-intense shadow which shows contrast enhancement in the cavernous sinus, diagnosis is –

a) Schwannoma

b) Meningioma

c) Cavernous sinus hemangioma

d) Astrocytoma

Explanation:

MRI Features of Schwannoma:

Mostly hypo-intense on T1 and Hyper-tense on T2

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