Immunosuppression

Question 1

What can cause ring enhancing lesions in the brain?

Answer 1

Infections

• Abscess, toxoplasmosis

Malignancy

• Metastases
• High grade gliomas

Question 2

What type of oedema is associated with a tumour?

Answer 2

Vasogenic

Question 3

What type of cerebral oedema is associated with bleeding?

Answer 3

Cytotoxic

Question 4

What are some DDx for a cavitating lesion in the lung?

Answer 4

Bacterial lung abscess

Cavitating primary or secondary lung tumour or lymphoma

Wegener’s granulomatosis

Pulmonary infarct