Interstitial Disease

Question 1

This is produced by process that thicken the interstitial compartments of the lung with water, blood, tumor, cell

Answer 1

Interstitial disease

Question 2

Patterns of interstitial disease

Answer 2

Linear

Reticular

Nodular

Reticulonodular

Question 3

This is a result from the summation or superimposition of irregular linear opacities

Answer 3

Reticular

Question 4

1 to 2mm of intervening lucent spaces

Seen in interstitial pulmonary edema and interstitial pneumonitis

Answer 4

Fine reticular

Groundglass pattern

Question 5

1 cm

Seen langerhans cell histocytosis of the lung

Sarcoidosis and idiopathic pulmonary fibrosis

Answer 5

Coarse reticular pattern

Question 6

Homogenous well defined small rounded lesions within the pulmonary interstitium that has 7-30mm

Answer 6

Nodules

Question 7

Thickened axial or peripheral interstitium of the lung

Answer 7

Linear

Question 8

Incomplete expansion of lungs

Answer 8

Atelectasis

Question 9

Most common form

Secondary to complete endobronchial obstruction of lobar bronchus with resorption of gas distally

Answer 9

Obstructive

Resorptive atelectasis

Question 10

Result from mass effect of an air or fluid collection within the pleural space on the adjacent lung

Answer 10

Passive

Relaxation atelectasis

Question 11

Form of passive atelectasis in which intrapulmonary mass compresses adjacent lung parenchyma

Bullae, abscess and tumors

Answer 11

Compressive atelectasis

Question 12

Produced by processes resulting in parenchymal fibrosis and reduce alveolar volume

Answer 12

Cicatricial atelectasis

Question 13

Occurs in association with surfactant deficiency disease

Radiograph show diminution in lung volume

Answer 13

Adhesive atelectasis

Question 14

Displacement of an interlobar fissure

Diminished aeration results in increased density in the affected portion of lung, plus bronchovascular crowding

Answer 14

Lobar atelectasis

Question 15

Thin linear opacity to a wedge shaped opacity that does not abut an interlobar fissure

Answer 15

Segmental atelectasis

Question 16

Commonly associated with hypoventilation

Answer 16

Subsegmental platelike atelectasis

Question 17

Represents a focal area of parenchymal destruction

Answer 17

Bullae

Question 18

This is usually found in the apical portion

Answer 18

Bleb

Question 19

Most commonly secondary to streptococcus pneumoniae

Answer 19

Pneumatoceles