Thoracic

Question 1

Pulmonary sequestration: types, dx, treatment?

Answer 1

does not communicate with tracheobronchial tree; extralobar (abdominal aorta) vs intralobar (thoracic aorta) intralobar is more common; dx w/ CT angio; tx w/ segmentectomy > lobectomy

Question 2

Rare but well recognized complication of bronchial artery embolization?

Answer 2

Paraparesis - blood supply to spine (anterior spinal artery), may have common origin with a bronchial artery

Question 3

indication for intra-aortic balloon pumps

Answer 3

high risk PCI, acute MI, and cardiogenic shock

Question 4

FEV1 needed for lobectomy? pneumonectomy?

Answer 4

preop 1.5L, 2L; otherwise post-op FEV1 of 800 required

Question 5

nerve posterior to lung hilum? anterior?

Answer 5

phrenic anterior, vagus is posterior

Question 6

Paraneoplastic syndrome associated with SCLC? Squamous cell lung ca?

Answer 6

1) SIADH 2) PTHrP

Question 7

Most common mediastinal tumor in children? Adults?

Answer 7

Neurogenic (i.e. schwannoma); thymoma for adults

Question 8

risk of a high trach? low trach?

Answer 8

high trach - tracheal stenosis low trach - tracheoinominate fistula

Question 9

how much trachea can be resected?

Answer 9

up to 6 cm resected primarily using laryngeal release procedures

Question 10

most common cause of lung abscess?

Answer 10

aspiration event that causes a suppurative bacterial infection, leading to localized pulmonary parenchymal necrosis

Question 11

most common primary malignancy of the chest wall

Answer 11

chondrosarcoma (most common benign is osteochondroma, most common malignant is chondrosarcoma)

Question 12

factors that are diagnostic of stage 4 non small cell lung cancer

Answer 12

malignant pleural effusion, distant mets, positive contralateral mediastinal lymph node, bilateral endobronchial tumor

Question 13

anterior mediastinal tumors

Answer 13

thymoma, thyroid ca / goiters, T cell lymphoma, teratoma, paraThyroid adenoma