Revise Radiology Resp Flashcards

1
Q

Geographic ground glass with smooth interlobular septal thickening

A

PAP (Crazy paving)

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2
Q

NF1 lung findings

A

Lower zone fibrosis,
Thin walled bullae in upper zones

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3
Q

Acute interstitial pneumonia

A

Bilateral ground glass opacities and consolidation lower lobe predominence, sparing costophrenic angles.
Late phase: traction bronchiectasis and honeycombing

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4
Q

Cryptogenic organising pneumonia

A

Patchy consolitation and ground glass, peripheral and peribronchial distribution

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5
Q

Langerhand cell histiocytosis

A

Young smoker, bizarre shaped cysts in upper lobes

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6
Q

Immune reconstitution inflammatory syndrome

A

HIV pts on HAART, exagerated inflammatory response to previously subclinical infection.
Increased inflammatory changes and lymph nodes

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7
Q

Sarcoid

A

Bilateral perilymphatic nodules, mediastinal and hilar lymphadenopathy

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8
Q

Kaposi sarcoma

A

Multiple perilymphatic and peribronchovascular nodules

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9
Q

Desquamative interstitial pneumonia

A

Smokers, diffuse ground glass in lower lobes with minimal reticulation

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10
Q

Post transplant lymphoproliferative disorder

A

Well circumscribed mass with air bronchograms and moderate PET uptake (first few years post transplant)

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11
Q

LCH vs LAM

A

LCH shows nodules in addition to cysts, predominantly upper and mid zones
LAM shows thin walled cysts only, diffusely spread

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12
Q

“Comet tail sign”

A

Round atelectasis

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13
Q

Ranke complex

A

Calcified granuloma (Ghon) plus calcified hilar node

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14
Q

Tracheobronchopathia osteochondroplastica

A

Irregular nodular thickening of tracheal cartilage or osseous nodules in tracheal submucosa, sparing posterior wall

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15
Q

Enhancing lesion in lumen of central airway

A

Typical carcinoid

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16
Q

Hypersensitivity pneumonitis

A

Coarse reticulation in random distribution with ground glass opacity and air trapping in mid to lower zones

17
Q

Superior mediastinal mass with sharp border with adjacent lung below

A

Retrosternal goitre

18
Q

CT chest protocols to assess ILD

A

Prone inspiration and supine expiration scans

19
Q

RBILD

A

Upper lobe predominant centrilobular ground glass nodules, smoker

20
Q

6mm nodule in high risk pt (smoker)

A

3 month CT follow up

21
Q

Sarcoid (chest) staging

A

Stage 1: Hilar/mediastinal nodes only
Stage 2: Nodal enlargement and parenchymal disease
Stage 3: Parenchymal disease only
Stage 4: End stage lung disease (pulmonary fibrosis)

22
Q

sarcoid distribution

A

Mid to upper zones

23
Q

medullary thyroid carcinoma chest findings

A

Bullae and fibrosis

24
Q

Acute eosinophilic pneumonia

A

Diffuse ground glass opacities with interlobular septal thickening

25
Q

Straight edge sign

A

UIP (clear demarcation of fibrosis inferiorly and clear lung superioly)

26
Q

PA/Aorta > 1

A

Pulmonary hypertension

27
Q

Mediastinal pleural thickening

A

Suggests malignant mesotheloima

28
Q

RA associated interstitial lung disease pattern

A

UIP

29
Q

Pneumothorax on ultrasound

A

Loss of lung sliding and Z lines.
Presence of A lines extending into the the far field

30
Q

Lung nodule follow up

A

> 8mm: Low risk - CT 3 months, high risk: PET

31
Q

Welder, interstitial lung disease

A

Siderosis

32
Q

Birt Hogg Dube lung findings

A

Thin walled, lower lobe cysts, oval cysts

33
Q

Ix for anterior mediastinal mass on CT

A

Biopsy

34
Q

AIDS lymphoma subtype

A

High grade, NHL, B cell