Deck 16: Skull Patterns

Question 1

In Figure 16-4A there is opacification of the __________ sinus.

A) Frontal
B) Ethmoid
C) Sphenoid
D) Maxillary

Answer 1

Maxillary

Question 2

Chronic disease of the __________ may produce the appearance of the skull in Figure 16-3.

A) Lungs
B) Prostate
C) Kidneys
D) Adrenals

Answer 2

Kidneys

Question 3

Which of the following best describes the diagnostic imaging study represented by Figure 16-4B?

A) Axial computed tomography through the maxilla
B) Axial computed tomography through the mandible
C) Axial magnetic resonance imaging through the maxilla
D) Axial magnetic resonance imaging through the mandible

Answer 3

Axial computed tomography through the maxilla

Question 4

Which of the following diagnoses best accounts for the well-circumscribed cyst containing the crown of an unerupted tooth in Figure 16-4B?

A) Fibrous dysplasia
B) Dentigerous cyst
C) Infection
D) Solitary bone cyst

Question 5

The granular appearance of the skull in Figure 16-3 is best described as __________.

A) Salt and pepper
B) Punched out
C) Hair on end
D) Osteoporosis circumscripta

Question 6

Enlargement of the sella turcica secondary to entrasellar extension of the subarachnoid space through defect in the diaphragm sellae describes __________.

A) Increased intracranial pressure
B) Aneurysm of the carotid vessel
C) Meningioma
D) Empty sella syndrome

Question 7

Which of the following radiographic patterns of disease is represented in Figure 16-3?

A) Enlarged sella turcica
B) Basilar impression
C) Diffuse demineralization
D) Cystic lesion of the mandible

Question 8

What type of pituitary adenoma is likely to result in enlargement of the sella turcica in patients with acromegaly?

A) Eosinophilic
B) Chromophobe
C) Basophilic
D) Craniopharyngioma

Question 9

The anteroposterior dimension of the sella turcica should not exceed __________mm.

A) 8
B) 12
C) 16
D) 18

Question 10

Which of the following radiographic patterns of disease is represented in Figure 16-1?

A) Basilar invagination
B) Intracranial calcifications
C) Radiodense mandible lesions
D) Osteolytic defect of the skull

Question 11

Which of the following radiographic patterns of disease is represented in Figure 16-4A?

A) Mass in the paranasal sinus
B) Radiodense mandible lesions
C) Intracranial calcifications
D) Cystic lesions of the mandible and skull

Question 12

Sickle-cell anemia and thalassemia may produce findings observed in this radiograph due to __________.

A) Metastatic disease
B) Bone infarcts
C) Endocrinopathy
D) Marrow hyperplasia

Question 13

Of the following, which is the most common disease producing the radiographic appearance of Figure 16-4A?

A) Polypoid rhinosinusitis
B) Acute sinusitis
C) Fibrous dysplasia
D) Wegener granulomatosus

Question 14

Aneurysm of which of the following arteries may produce enlargement of the sella turcica?

A) External carotid
B) Internal carotid
C) Middle meningeal
D) Basilar

Question 15

Of the following, which is the most common cause of the lesion observed in Figure 16-1?

A) Metastasis
B) Necrosis
C) Encephalocele
D) Primary malignancy

Question 16

Which of the following diagnostic imaging studies would be most appropriate if the patient also had a history of primary breast malignancy with mastectomy 2 years before this examination?

A) Skeletal x-ray survey
B) CT examination of the head
C) MRI examination of the head
D) Radionuclide scintigraphy

Question 17

Which of the following diagnoses would best explain the lesion, if on biopsy it was determined to contain ectodermal and mesodermal tissue?

A) Histiocytosis X
B) Multiple myeloma
C) Dermoid
D) Leptomeningeal cyst

Question 18

Of the following, which is the most likely reason for enlargement of the sella turcica in this patient?

A) Increased intracranial pressure
B) Meningioma
C) Chordoma
D) Pituitary tumor

Question 19

If the lesion in Figure 16-1 was surrounded by an osteosclerotic border, it would be known as a __________ ?

A) Button sequestration
B) Punched-out lesion
C) Donut lesion
D) Raindrop lesion

Question 20

Of the following, the most common cause of this presentation is ___________.

A) Metastatic bone disease
B) Osteoporosis
C) Multiple myeloma
D) Paget disease