Stimulating Questions

Question 1

1 A 47-year-old woman presents with signs of increased intracranial pressure (i.e. vomiting, headache, lethargy). MRI shows a large tumor invading the head of the caudate, the rostral portion of the putamen and involving a fiber bundle located between these two structures. This fiber bundle is most likely the

1. Anterior commissure
2. Anterior limb of the internal capsule
3. Column of the fornix
4. External capsule
5. Posterior limb of the internal capsule

Answer 1

2. Anterior limb of the internal capsule

Question 2

2. A 48-year-old woman presents with a movement disorder (Chorea) and mental deterioration. MRI shows the loss of a structure in the wall of the anterior horn of the lateral ventricle. Which of the following is most likely in this patient?
3. Anterior thalamic nucleus
4. Body of the caudate nucleus
5. Column of the fornix
6. Dorsomedial nucleus
7. Head of the caudate nucleus

Answer 2

5. Head of the caudate nucleus

Question 3

3. Which of the following represents the larger, more laterally, located portion of the basal ganglia?
4. Caudate nucleus
5. Globus pallidus
6. Putamen
7. Subthalamic nucleus
8. Substantia nigra

Answer 3

3 Putamen

Question 4

4. A 29-year-old man is brought to the emergency department with a severe and persistent headache. MRI shows a large tumor of the pineal gland. Based on its location, this pineal lesion would most likely impinge on which of the following structures?
5. Anterior thalamic nucleus
6. Body of the caudate nucleus
7. Globus pallidus
8. Pulvinar nucleus
9. Ventral posteromedial thalamic nucleus

Answer 4

4 Pulvinar nuclei