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Diagnostic Imaging > Part 1 Radiological Presentation of Infectious Diseases > Flashcards

Part 1 Radiological Presentation of Infectious Diseases Flashcards

1
Q

Most infections of the lungs and bones can be diagnosed through ___

A

Radiographs

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2
Q

For some infections e.g. of the liver, kidneys, etc, when taking radiographs, we need to rely on ____

A

Indirect signs

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3
Q

What is usually the first line of imaging for infections of the lungs, bones, and intestines?

A

Radiographs

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4
Q

Radiographs serves as the first line of imaging for infections of the?

A

> Lungs

> Bones

> Intestines

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5
Q

Radiograph ____ are helpful in follow-up and monitoring response to treatment

A

Serial images

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6
Q

Radiograph serial images are helpful in ___ and ___

A

> Follow-up

> Monitoring response to treatment

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7
Q

____ is used to confirm the presence of parenchymal and bony lesions, and extent of disease.

A

CT scans

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8
Q

CT scans is used to confirm the presence of ___ and ___, and ___.

A

> Parenchymal

> Bony lesions

> Extent of disease

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9
Q

___ is good in evaluation of infections of the lungs, brain, abdomen, extremities, soft tissues

A

CT scans

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10
Q

CT scans is good in evaluation of infections of the ___, ___, ___, ___, ___

A

> Lungs

> Brain

> Abdomen

> Extremities

> Soft tissues

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11
Q

___ is valuable in detecting infectious lesions in the brain, abdomen and thorax, soft tissues and bones

A

MRI

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12
Q

MRI is valuable in detecting infectious lesions in the ___, ___ and ___ , ___ and ___

A

> Brain

> Abdomen

> Thorax

> Soft tissues

> Bones

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13
Q

CT scan and MRI require ____

A

Contrast administration

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14
Q

___ and ____ require contrast administration

A

> CT scan

> MRI

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15
Q

___ is valuable in detecting lesions in the abdominal organs and pleural effusion

A

Ultrasound

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16
Q

Ultrasound is valuable in detecting lesions in the ___, and ___

A

> Abdominal organs

> Pleural effusion

17
Q

Invasion and multiplication, in the body, of microorganism such as bacteria, viruses and parasites that are normally not present within the body

A

Infection

18
Q

Define infection.

A

It is the INVASION and MULTIPLICATION, in the body of MICROORGANISM such as BACTERIA, VIRUSES, and PARASITES that are normally not present within the body.

19
Q

Infection may be ___ and ____ or may present with clinical symptoms

A

> Subclinical

> Asymptomatic

20
Q

Infection duration may be ___ or ____

A

Acute or Chronic

21
Q

Infection localization can either be ___ or ____

A

> Single focus / multiple foci in one organ

> Spread to other organs

22
Q

What are the biggest barriers for inherent protection from infection?

A

Intact skin and mucosa

23
Q

What inherent protection from infection is secreted by the body to protect against infection?

A

Different enzymes, acids, etc.

24
Q

Immune system of the body is also known as ____

A

Inherent protection from infection

25
Q

Inherent protection from infection is also known as ____

A

Immune system of the body

26
Q

What are the signs of inflammation?

A

> Edema (seen as fluid, mass effect)

> Hyperemia - vascular congestion (seen as enhancement when IV contrast is given)

27
Q

Signs of tissue death and necrosis in imaging

A

Dead tissues and debris (low attenuation and no enhancement) in imaging

28
Q

Signs of gas forming bacteria in imaging

A

Presence of gas in imaging

29
Q

Signs of containment in imaging

A

Walling off - margins, borders, encapsulation in imaging

30
Q

Signs of fibrosis and scarring in imaging

A

Chronic / Healed diseases in imaging

31
Q

What do you look for in imaging?

A

Signs of:

> Inflammation

> Tissue death and necrosis

> Gas forming bacteria

> Containment

> Fibrosis and scarring

32
Q

Give examples of infections in lungs

A

> Pneumonia

> Abscess

> Tuberculosis

33
Q

Give examples of infections in brain

A

Meningitis

34
Q

Give examples of infections in bones

A

Osteomyelitis and Brodie’s abscess

35
Q

Give examples of infections in gastrointestinal tract

A

Diverticulitis

Diagnostic Imaging (2 decks)

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