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Neurology Module 7: CNS Tumors

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Questions and Answers

What percentage of brain tumors do metastatic tumors represent?

40%

10%

30% (correct)

20%

What is the primary source of metastatic tumors that reach the CNS?

Nervous tissue

Cerebrospinal fluid

Arteries or vertebral system of veins (correct)

Lymphatic system

What is the most common type of metastatic tumor?

Sarcoma

Carcinoma (correct)

Adenoma

Lymphoma

What is a common manifestation of increased intracranial tension?

Papilloedema Signup and view all the answers

What is the likely diagnosis of Hassan, the 53-year-old man?

Metastatic tumor Signup and view all the answers

What is the primary location of metastatic tumors in the brain?

Cerebrum at junction of grey and white matter Signup and view all the answers

What is a common source of metastatic tumors?

Both A and B Signup and view all the answers

What is a local effect of intracranial tumors?

Compression of the affected site Signup and view all the answers

What is a manifestation of increased intracranial tension?

All of the above Signup and view all the answers

What is the primary reason for increased intracranial tension in patients with intracranial tumors?