10: ENT radiology Flashcards Preview

ENT Week 2 2017/18 > 10: ENT radiology > Flashcards

Flashcards in 10: ENT radiology Deck (16)
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1
Q

Where do foreign bodies tend to lodge?

A

Cricopharyngeus

C6

2
Q

Which x-rays should you do for suspected foreign bodies?

A

PA

Lateral

3
Q

How is dysphagia usually investigated?

A

Endoscopy

4
Q

How is dysphagia investigated if endoscopy finds no abnormalities?

A

Barium swallow

5
Q

How is dysphagia further investigated if malignancy is suspected?

A

MRI / CT scan

6
Q

What can form in the pharynx, causing regurgitation?

How is it picked up?

A

Pharyngeal pouch

Barium swallow

7
Q

What oesophageal problems may be picked up by a barium swallow?

A

Strictures

Spasm

Gastroparesis

8
Q

What is the first line, non-invasive imaging technique?

A

Ultrasound

9
Q

What structures of the head and neck may be scanned using ultrasound?

A

Salivary, thyroid, parathyroid glands

for lumps and abscesses

10
Q

Which investigation is ultrasound used to aid?

A

Fine needle aspiration (FNA)

11
Q

What shape do benign lymph nodes tend to be on ultrasound?

A

Ovoid

Malignant ones are round

12
Q

Benign lymph nodes have a central ___ ___.

A

fatty hilum

Malignant ones don’t

13
Q

Which gland of the neck is scanned using ultrasound / FNA?

A

Thyroid gland

14
Q

What scan is used to investigate trauma, masses and vocal cord palsy?

A

CT scan

15
Q

Which structures of the nose can become infected and are scanned using CT?

A

Paranasl sinuses

16
Q

Using which scan is cancer staged?

A

CT scan