radiology

Question 1

what is used to investigate suspected inhaled or ingested radio-opaque foreign bodies?

Answer 1

plain radiographs

Question 2

what is the 1st line investigation of neck lumps?

Answer 2

ultrasound

Question 3

when are FNAs taken in neck lumps?

Answer 3

in suspected lymph node malignancy, or assesment of masses in salivary glands and evaluation of thyroid lumps

Question 4

on US, what do benign lymph nodes tend to look like?

Answer 4

• elliptical
• have an obvious central fatty hilum
• have an organised vascular blood supply centred on the hilum

Question 5

what accounts for 80% of thyroid lumps?

Answer 5

benign with hyperplastic nodules

Question 6

is CT or MRI better for imaging the larynx?

Answer 6

CT

Question 7

what scan better for pathologies affecting the skull base?

Answer 7

MRI

Question 8

what technique is used for most sinus surgery?

Answer 8

FESS - functional endoscopic sinus surgery

Question 9

what imaging technique is best to be used when investigating sensorineural HL?

Answer 9

MRI

Question 10

what imaging technique is best to be used when investigating conductive HL?

Answer 10

CT

Question 11

what does the pharyngeal mucosal space contain?

Answer 11

mucosa, lymphoid tissue, constrictor muscles

Question 12

contents of masticator space?

Answer 12

mandible, muscles, CN V

Question 13

what pathologies can affect the masticator space?

Answer 13

dental abscess/cyst

Question 14

contents of carotid space?

Answer 14

• carotid artery
• jugular vein
• cranial and sympathetic nerve
• lymph nodes

Question 15

pathlogies that can affect the carotid space?

Answer 15

• schwannoma
• paraganglioma
• lymph nodes