Segmental and Lobar Consolidations

Questions 1. Homogeneous, left lower lobe consolidation, as seen in Fig. 14.1, A and B , is the typical radiologic manifestation of community-acquired lobar pneumonia. What is the most likely causal agent? a. Mycoplasma pneumoniae. b. Streptococcus pneumoniae. c. Mycobacterium avium intracellulare. d. Legionella pneumophilia. e. Klebsiella pneumoniae. 2. Refer to Fig. 14.2, A and B . An expanded lobe with interspersed lucent spaces (shown by…

Atelectasis

Questions 1. Which of the following abnormalities are present on the posteroanterior (PA) chest radiograph in Fig. 13.1 ? a. Right upper lobe opacification. b. Juxtaphrenic peak. c. Displacement of the horizontal fissure. d. Deviation of the trachea. e. All of the above. 2. Which one of the following is most likely to cause atelectasis? a. Metastasis. b. Adenocarcinoma. c. Lymphoma. d. Squamous cell carcinoma. e.…

Posterior Mediastinal Mass

Questions 1. Which one of the following diagnoses is most likely for the case illustrated in Fig. 12.1, A-C ? a. Neuroblastoma. b. Paraspinal abscess. c. Schwannoma. d. Paraganglioma. e. Neurenteric cyst. 2. Which one of the following neural tumors is most likely in a 6-year-old patient ( Fig. 12.2, A and B )? a. Ganglioneuroma. b. Neurofibroma. c. Ganglioneuroblastoma. d. Schwannoma. e. Chemodectoma. 3. Which…

Hilar Enlargement

Questions 1. The most likely cause of unilateral hilar enlargement in the adult in Fig. 11.1, A-C , is: a. Bronchogenic cyst. b. Lung cancer. c. Large right pulmonary artery. d. Pulmonary varix. e. Aneurysm of the descending aorta. 2. The most likely cause of the bilateral hilar enlargement in the asymptomatic young adult in Fig. 11.2 is: a. Metastasis. b. Primary tuberculosis. c. Sarcoidosis. d.…

Middle Mediastinal Mass

Questions 1. The most likely diagnosis in the asymptomatic young patient shown in Fig. 10.1 , A-C is: a. Bronchogenic cyst. b. Leiomyoma of the esophagus. c. Carcinoma of the esophagus. d. Lymphoma. e. Neurenteric cyst. 2. Which one of the following is the most likely diagnosis for the case illustrated in Fig. 10.2 , A-C ? a. Lymphoma. b. Metastases. c. Primary tuberculosis. d. Sarcoidosis.…

Anterior Mediastinal Mass

Questions 1. Which one of the following diagnoses is most likely in a middle-aged adult with the chest radiographs and computed tomography (CT) scan shown in Fig. 9.1, A-C ? a. Goiter. b. Thymoma. c. Germ cell tumor. d. Cystic hygroma. e. Pericardial cyst. 2. Which one of the following tumors is most likely to spread contiguously and is unlikely to metastasize to distant sites? a.…

Widening of the Mediastinum

Questions 1. What is the most likely cause of the mediastinal widening in this patient ( Fig 8.1, A and B )? a. Lipomatosis. b. Hematoma. c. Adenopathy. d. Mediastinitis. e. Thymoma. 2. Which one of the following statements regarding aortic trauma is true? a. The mediastinal width is at least 8 cm. b. Mediastinal hematoma is specific for aortic injury. c. Ascending aorta is the…

Shift of the Mediastinum

Questions 1. Regarding the case shown in Fig. 7.1, A and B , which one of the following statements is incorrect? a. The right lung is overinflated. b. There is herniation of the right lung in front of the ascending aorta. c. Left pleural effusion is compressing the left lung. d. An endobronchial mass or mucous plug should be considered. e. The most significant abnormality may…

Elevated Diaphragm

Questions 1. Which one the following diagnoses is most likely in the case illustrated in Fig. 6.1 ? a. Hepatomegaly. b. Interposition of the colon. c. Right upper lobe atelectasis. d. Phrenic nerve paralysis. e. Right upper lobe pneumonia. 2. Which of the following is least likely to be associated with pleural effusion? a. Primary lung tumor. b. Interposition of colon. c. Subphrenic abscess. d. Echinococcal…

Pleural Thickening and Pleural Calcification

Questions 1. What is the most likely diagnosis for the case illustrated in Fig. 5.1 ? a. Mesothelioma. b. Metastases. c. Empyema. d. Lung cancer. e. Lymphoma. 2. The large calcification in Fig. 5.2 is most probably caused by: a. Tuberculosis. b. Asbestosis. c. Mesothelioma. d. Empyema. e. Talcosis. 3. Which one of the following interstitial lung diseases is most likely to have associated plaques of…

Pleural Effusions

Questions 1. The most likely diagnosis in the case illustrated in Fig. 4.1 is: a. Necrotizing pneumonia with empyema. b. Tuberculosis. c. Lung cancer. d. Mesothelioma. e. Metastases. 2. The most likely diagnosis in the case illustrated in Fig. 4.2, A and B, is: a. Right lower-lobe pneumonia. b. Pulmonary embolism. c. Subphrenic abscess. d. Lymphoma. e. Diaphragmatic hernia. Discussion Pleural effusions may produce blunting of…

Pleural and Subpleural Opacities

Questions 1. Referring to Fig. 3.1, A-C , which of the following is the most likely diagnosis? a. Metastatic melanoma. b. Metastatic breast carcinoma. c. Invasive thymoma. d. Mesothelioma. e. Metastatic ovarian carcinoma. 2. Referring to Fig. 3.2, A and B , the most likely diagnosis for this case is: a. Rounded atelectasis. b. Localized fibrous tumor of the pleura. c. Multiple myeloma. d. Infarct. e.…

Chest Wall Lesions

Questions 1. The most likely diagnosis in the afebrile patient in Fig. 2.1 is: a. Neurofibroma. b. Lipoma. c. Multiple myeloma. d. Osteosarcoma. e. Chondrosarcoma. 2. The most likely diagnosis in Fig. 2.2 is: a. Ewing sarcoma. b. Osteosarcoma. c. Chondrosarcoma. d. Metastatic lung cancer. e. Plasmacytoma. Mark the following questions True or False: 3. _____ Chest wall lesions may sometimes be distinguished from pulmonary nodules…