Chest Radiology: Patterns and Differential Diagnoses

Multiple Lucent Lesions

Questions 1. Refer to Fig. 24.1 . Which of the following is the best diagnosis? a. Adult respiratory distress syndrome. b. Pneumatoceles. c. Multiple abscesses. d. Bronchopleural fistula. e. Necrotizing pneumonia, abscesses, and bronchopleural fistula. 2. Which is the most…

Solitary Lucent Defect

Questions 1. Match the cases shown in Fig. 23.1, A – D , with the following diagnoses: ____Bronchogenic carcinoma. ____Pneumonia with abscess. ____Bronchopleural fistula with hydropneumothorax. ____Pulmonary gangrene. 2. Which one of the following pulmonary infections is least likely cause…

Hyperlucent Thorax

Questions 1. Match the abnormal thoracic lucencies seen in Fig. 22.1, A to C , with the following diagnoses. ____ Bilateral pneumothorax. ____ Bullous emphysema. ____ Ruptured subpleural bullae with pneumothorax. 2. Asymmetric air trapping may be confirmed by which…

Multiple Nodules and Masses

Questions 1. A 50-year-old man admitted with a history of weight loss had the examinations shown in Fig. 21.1, A and B . Which one of the following procedures would most likely determine the site of a primary tumor? a.…

Solitary Pulmonary Nodule

Questions 1. Refer to Fig. 20.1, A and B . Which one of the following is the most likely diagnosis? a. Invasive mucinous adenocarcinoma. b. Adenocarcinoma in situ. c. Minimally invasive adenocarcinoma. d. Invasive adenocarcinoma. e. Lymphoma. 2. The changing…

Coarse Reticular Opacities (Honeycomb Lung)

Questions 1. Refer to Fig. 19.1, A-C . The term honeycomb lung indicates which one of these processes? a. Emphysema. b. Cystic bronchiectasis. c. Paraseptal emphysema. d. End-stage interstitial fibrosis. e. Multiple cavities. 2. Which one of the following diagnoses…

Fine Reticular Opacities

Questions 1. Kerley B lines ( Fig. 18.1 ) represent which one of the following? a. Thick interlobular septa. b. Dilated lymphatic vessels. c. Dilated venules. d. Thick alveolar walls. e. Fibrosis. 2. Which one of the following statements is…

Diffuse Fine Nodular Opacities

Questions 1. Based on the radiologic appearance of the case illustrated in Fig. 17.1 , which one of the following diagnoses is the most urgent one? a. Miliary tuberculosis. b. Silicosis. c. Langerhans cell histiocytosis. d. Hypersensitivity pneumonitis. e. Sarcoidosis.…

Multifocal Ill-Defined Opacities

Questions 1. Which one of the following is the most likely diagnosis in the case seen in Fig. 16.1 ? a. Tuberculosis. b. Lung cancer c. Melanoma. d. Silicosis. e. Pneumonia. 2. Referring to Fig. 16.2 , the combination of…

Diffuse Air Space Opacities

Questions 1. The images in Fig. 15.1, A and B , were of a patient who presented in the emergency department with a known diagnosis of granulomatosis with polyangiitis. Which one of the following complications is most likely? a. Pneumonia.…