Shared Flashcard Set

Details

Chest CT
Radiology Chest CT
41
Medical
Professional
07/05/2011

Additional Medical Flashcards

 


 

Cards

Term
Morphological subtypes of Bronchiactasis
Definition

Cylindrical, Varicose and cystic

 

Term
Mucus Plugging is associated with these conditions
Definition

Bronchiactasis

CF

Allergic bronchopulmonary aspegillosis (areas of calcification)

Swayer James (Mosaic pattern of lungs)

 

Term
does the lack of pleural thickening rule out the empyema? 
Definition
yes it does! 
Term
what is split pleura sign?
Definition
when the viceral adn parietal pleura are seperated by empyema.
Term
what is the entety they use for an empyema that extends into the thoracic wall? 
Definition

empyema necessitatis.

 

Term
what are the most important causes of the empyema necessitatis?
Definition
2/3 are caused by TB and the rest are caused by actimyces and nocardia
Term

what are the signs of malignant pleural involvement? 

 

Definition

1. nodular pleural thickening

2. thickening more than 1 cm

3. thickening that concentrically involves the pleura and encase the lungs

4. thickening of the mediatinal pleura.

Term
what are he most common cause of the pleural metastasis? 
Definition
invasive tymoma. 
Term
what are the most common causeS of the pleural densidty/calcifications? 
Definition

Chronic empyema especially TB

Resolved hemothorax

asbestosis

fibrose tumors of the pleura

Talc pleurodesis (using talc to fuse the pleura)

Term
what is the upper limit of normal in short axis diameter of the axillary lymph nodes? 
Definition

1.5 cm

 

if a lymph node is measuring more than 2 cm in short axis diamete it is abnormal regardless of patients history of malignancy or not.

Term
what passes through the aortic diaphragm hiatus? 
Definition

Aorta

azygus veins

thoracic duct 

intercostal arteries

splanchnic nerves

Term
what passes through the esophageal hiatus? 
Definition

esophagus 

vagus nerves 

Term
Most common type of diaphragmatic hernia in infants? 
Definition

buckdalek

most of the time is on the left paravertebral region

Term
Morgagni hernia - more on right or left? 
Definition
right and can contain vicera as apposed to buckdalek hernia that contains retroperitoneal fat and or less commonly kidney
Term

what are the primary interstitial lung diseases? 

 

These are the ones that are not causes by drugs or connective tissue diseases

 

Definition

IPF 

sarcoid

BOOP

LAM 

langerhans

 

Term
diffuse interstitial lung disease most common causes? 
Definition

sarcoid

langerhance

IPF

lymphagitic tumor

edema

collagen vascular disease

silicosis

farmers lung

drugs

Term
what are the hallmarks clinical signs of ILD? 
Definition

caugh and dyspnea

 

Term

inflammation>  inf+fibrosis>    fibrosis

DIP  >      NSIP   >      UIP

Ground galss infiltrate>reticulation>honey combing

Definition
Term

what are the synonyms of UIP?

is this the most common? 

Definition

idiopatic pulmonary fibrosis 

cryptohenic fibrosing alveolitis

 

 

yes it is 35-50%

Term
what are the clinical conditions associated with UIP? 
Definition

if there is no cause --> it is called IPF

it can be associated: 

collagen vascular connective tissue diease

drug toxicity

asbestosis

hermanssky pudlak syndrome

sarcoidosis

Term
what is hermansky pudlak syndrome
Definition
UIP + albinism -> more common in portoricco
Term
what is most common cause of honey combing?
Definition

UIP

this is end stage lung

 

Term
imaging characteristics of UIP?
Definition

basal prominance

peripheral

honey combing

 

Term
what is the components of NSIP
Definition

inflammation and fibrosis

as opsed to UIP whihc is mostly fibrosis

 

Term
which one has a better prognosis: UIP or NSIP? 
Definition
NSIP
Term
which one respond to steroids? NSIP or UIP
Definition
NSIP
Term
which type of NSIP is more common? 
Definition

Type 1 50% more inflammation that fibrosis

 

Term
What the most common causes of the NSIP?
Definition

drug reactions and 

collagen vascular diseases

Term
what is most useful CT findings to differentiate the NSIP nad UIP?
Definition
NSIP has ground glass opacities but the UIP is mostly fibrosis. 
Term
what are the groups of NSIP? 
Definition

group 1: most inflammation

Group 2 inf + fib

group3 mostly fibrosis

 

Term

lymphadnopathy is associated with NSIP or UIP

?

Definition

it is more associated with UIP

 

UIP is the umbrella term and if it is idiopathic then it is called the IPF

Term
Smoking related interstitial lung disease? 
Definition

DIP

Respiratory broncholitis 

LAM

 

Term
when do you see the halo sign in chest CT?
Definition

pulmonary infarct due to asperogilosis which eventually progress to the crescent sign

 

and 

 

wegner

Term
what are the most common metstatic causes of the miliary pattern of the chest?
Definition

thyroid

melanoma

choriocarcinoma

RCC

breast.

Term
what are the types of emphysema?
Definition

paraseptal

panlobular

centrilobular

paracicatricial

Term

alfa 1 antitripsin is associated with which type of emphysema?

 

Definition
panlobular
Term
smoking is associated with which type of emphysema?
Definition
centrilobular
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