Head and Neck Radiology Flashcards

1
Q

What are examples of different kinds of imaging for head and neck?

A

Plain radiography

Contrast studies

Ultrasound

CT

MRI

Nuclear medicine

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2
Q

What is radiography best for showing?

A

Lateral soft tissue of the neck

Facial views (maxillofacial)

OPD (dental assessment)

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3
Q

What is radiography used to diagnose?

A

Soft tissue

Bone destruction

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4
Q

What media is often used for contrast studies?

A

Barium and iodine-based water soluble contrast media

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5
Q

What kinds of imaging uses contrast?

A

Sialograms (looks at salivary glands)

Sinograms (look at sinuses)

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6
Q

What are contrast studies used to diagnose?

A

Parotid calculus

Punctate sialectasis

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7
Q

What is a Videofluoroscopy?

A

Moving x-ray examining swallowing

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8
Q

What are different kinds of ultrasound?

A

Vascularity (doppler)

Ultrasound guided FNA

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9
Q

What is ultrasound used to diagnose?

A

Lymph nodes

Parathyroid adenoma

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10
Q

What can be used in addition to a CT scan?

A

Contrast (oral or IV)

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11
Q

What is CT used to diagnose?

A

Petrous temporal bone

Sinuses

Subperiosteal collection

Neck spaces

Paraganglionomas

Retropharyngeal space

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12
Q

What is the major disadvantage of CT scans compared to MRI?

A

CT uses radiation, MRI does not

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13
Q

Which of CT and MRI is better for visualising bony detail, and which is better for soft tissue?

A

CT for bony detail

MRI for soft tissue

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14
Q

What contrast is often used with MRI?

A

Gadolinium

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15
Q

What is MRI used to diagnose?

A

Retropharyngeal space

Panctate sialectasis

Temporomandibular joints

TMJ dysfunction

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16
Q

What are examples of nuclear medicine?

A

Isotope bone scan (Tc 99 MDP)

Positron emission tomography (FDG)

17
Q

What are PET CTs used for in the head and neck?

A

Unknown primary

Detection of recurrence post treatment

Assessment of treatment response