Term
| T/F: Multiple pulmonary patterns can be present in the same animal. |
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Definition
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Term
| What causes alveolar patterns? |
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Definition
| Abnormal cells or fluids w/i the terminal air spaces of the lung |
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Term
| T/F: One may radiographically determine the character of material w/i the alveolus in an alveolar pattern. |
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Definition
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Term
| T/F: Alveolar patterns are disease-specific. |
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Definition
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Term
| What distribution is commonly seen in aspiration pneumonia? |
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Definition
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Term
| What distribution is commonly seen in noncardiogenic edema? |
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Definition
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Term
| What distribution is commonly seen with cardiogenic edema in dogs? |
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Definition
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Term
| What causes a lobar sign? |
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Definition
| Alveolar dz extending to the border of the lung lobe where it contrasts against more normally aerated lung, creating a sharp border. |
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Term
| T/F: When volume loss is present, a mediastinal shift toward the atelectatic lung lobe usually occurs. |
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Definition
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Term
| What are the main categorical Ddx for alveolar patterns? |
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Definition
| Pneumonia, Edema, Hemorrhage, Lobar collapse/Atelectasis |
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Term
| T/F: Near drowning will result in a CrV distribution of alveolar pattern. |
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Definition
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Term
| T/F: Paraquat toxicity will cause a CdD distribution of alveolar pattern. |
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Definition
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Term
| What causes a bronchial pattern? |
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Definition
| Abnormal lung opacity caused by bronchial thickening |
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Term
| What are the classic lesions of a bronchial pattern? |
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Definition
| Rings/Donuts & Tram lines |
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Term
| T/F: In a bronchial pattern, rings represent the abnormal airway projected side-on |
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Definition
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Term
| T/F: A bronchial pattern will not produce a severe increase in lung opacity |
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Definition
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Term
| T/F: Bronchial patterns are typically focal |
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Definition
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Term
| T/F: Calcification increases bronchial thickness. |
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Definition
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Term
| T/F: Bronchiectasis is an irreversible change |
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Definition
|
|
Term
| What is bronchial dilation & loss of the normal tapering between bronchial walls? |
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Definition
|
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Term
| What are the 2 main categories of Ddx for a bronchial pattern? |
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Definition
| Bronchial calcification; Chronic bronchitis |
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Term
| T/F: Aelurostrongylosis can lead to a bronchial pattern or a vascular pattern. |
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Definition
|
|
Term
| What causes a vascular pattern? |
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Definition
| Abnormal lung opacity caused by increased or decreased size of pulmonary vessels |
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Term
| T/F: Shock causes increased size of pulmonary vessels |
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Definition
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Term
| T/F: Heart failure causes increased size of pulmonary vessels |
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Definition
|
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Term
| Does Left-to-Right shunt cause increased or decreased size of pulmonary vessels? Rt-to-Lt? |
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Definition
R-to-L: Decreased
L-to-R: Increased |
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Term
| What is the most common cause of solitary nodules in dogs? |
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Definition
|
|
Term
| What is the most common cause of multiple nodules? |
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Definition
|
|
Term
| What is a differential for multiple nodules? |
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Definition
|
|
Term
| T/F: Unstructured interstitial patterns highlight vessel definition. |
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Definition
|
|
Term
| What is the most difficult lung pattern to Dx? |
|
Definition
| Unstructured Interstitial |
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Term
| T/F: Pulmonary edema can cause an unstructured interstitial pattern. |
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Definition
|
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Term
| T/F: Vessels end-on can mimic pulmonary nodules. |
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Definition
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|
Term
| Osteomas have a _____ predilection. |
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Definition
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Term
| In dogs, if a primary lung tumor is solitary, it is often in _____. |
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Definition
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|
Term
| _____% of cats w/ primary lung tumors have pleural effusion. |
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Definition
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|
Term
| T/F: Primary lung tumors in cats are often calcified; may be cavitary. |
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Definition
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|
Term
| T/F: A nodule >3cm is a mass lesion. |
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Definition
|
|
Term
| What size are coin lesions? |
|
Definition
|
|
Term
| What size nodules fall in the category "nodular?" |
|
Definition
|
|
Term
|
Definition
| 1-2mm nodules of unknown significance detected on CT |
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|
Term
| A mineralized ditzel is likely to be _____. |
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Definition
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|
Term
| _____ is pathognomonic for an alveolar pattern. |
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Definition
|
|
Term
| T/F: Lobar sign locates fissure line |
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Definition
|
|
Term
| Name the 5 categories of atelectasis. |
|
Definition
| Passive, Compressive, Resorption, Adhesive, Cicatrization |
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|
Term
| Which type of atelectasis is obstructive? |
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Definition
|
|
Term
| T/F: Thickening of the bronchial wall & peribronchial cuffing will appear similar |
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Definition
|
|
Term
| Give 3 examples of L-to-R shunt |
|
Definition
|
|
Term
| Will MI lead to increased or decreased size of pulmonary vessels? |
|
Definition
|
|
Term
| Give 2 examples of R-to-L shunt. |
|
Definition
| Tetralogy of Fallot, VSD w/ pulmonic stenosis, |
|
|
Term
| What causes an unstructured interstitial pattern? |
|
Definition
| A collection of fluid, cells, or fibrin w/i the CT framework of the lung |
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