Key Questions - Cranial & Spinal

What percentage of newly discovered brain tumors in adults are metastatic?
What five conditions constitute the differential diagnosis of a jugular fossa mass?
What percentage of nasopharyngeal malignancies involve lymph nodes at the time of diagnosis?
What four features indicate a malignant compression fracture versus an osteoporotic compression fracture?
Tumors of the spinal canal are divided into three categories according to anatomic location. List them.
What is a disk protrusion?
What is central to identifying a case of trauma resulting from child abuse?
What is the radiographic appearance of an epidural hematoma?
What is the radiographic appearance of a subdural hematoma?
What can a noncontrast CT demonstrate?
List four differential diagnoses of a posterior fossa mass in a child.
Which brain metastases tend to cause intracranial hemorrhage?
Which vessels supply the following brain territories?
Why do many tumors enhance?
List four common causes of cerebral venous thrombosis.
List nine other types of lesions associated with ring enhancement.
List five other causes of spontaneous intraparenchymal hemorrhage in adults.
If the infarct is accompanied by hemorrhage, how does the blood appear on noncontrast CT?
What is the imaging test of choice for a patient suspected of having had a stroke?
What characteristics are useful for determining if a lesion is intra-axial or extra-axial?
What is the critical landmark of the suprahyoid neck on CT and MRI?
It is useful to divide the neck into two parts, cephalad and caudal. At what structure are these parts separated?
List the three anatomic compartments into which the orbit is partitioned by the rectus muscles.