Chest Imaging Flashcards
Mediastinal shift away from affected side suggests a _____ pneumothorax.
Tension
Why is free air inside the chest cavity a problem?
Chest cavity is normally under vacuum. Air increases pressure and cuts off venous return of blood to the heart.
Type of pneumothorax that occurs in hospitals after a lung biopsy.
Iatrogenic
Type of pneumothorax caused by rib fx, stab wound, bullet wound.
Traumatic
Type of pneumothorax that has no known cause.
Spontaneous
Best X-ray view to see pleural effusion
Lateral decubitus
An effusion containing pus
Empyema or pyrothorax
An effusion containing blood
Hemothorax
An effusion containing little or no proteins or solids
Transudate
An effusion containing cells, proteins, or solids
Exudate
Blunting of the costophrenic angle is a sign of ______.
Pleural effusion
Calcified aortic arch may present on X-ray (PA chest) as _____
Thumbnail sign
Cardiomegally is indicated when the heart is > _______% of the cardio-thoracic ratio on PA view.
50%
Reed-Sternberg cells indicate _______
Hodgkin’s lymphoma
Lung field S-shape caused by edge of elevated minor fissure and hilar mass in RUL atelactasis is ________.
Golden’s S shape
Lung cancer in apices is ________
Pancost tumor
A large uncalcified peripheral mass in the lung is ______
Large cell or giant cell cancer
Most aggressive lung cancer. Classic at hilar or mediastinum. Worst prognosis.
Oat cell cancer
AKA for Oat cell cancer
Small cell cancer
MC carcinoma at central region of lung. Can present as thick wall cavity.
Squamous cell
Most common type of lung cancer in non smokers.
Adenocarcinoma
MC location of lung adenomocarcinomas
Periphery
MC cause of cancer deaths.
Pulmonary carcinomas
Pathognomonic of cavitation in lungs
Fluid levels
Lung field with popcorn ball nodules is probably an indication of _____.
B9 lesion
Difference between a nodule and a mass
Mass > 3 cm, nodule < 3 cm
Type of atelactasis caused by contraction of organizing scar
Cicratrization
MC type of atelactasis
Obstructive
Focal pleural plaques adjacent to ribs suggest ______.
Asbestosis