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  1. X-ray (chest), PA, Thymoma Invasive, Adult Male

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    Description: 1. Mediastinal mass with compression of trachea. Note that the mass silhouettes the superior aspect of the right heart border and superior vena cava suggesting it abuts or is anterior to these structures. Also note the roughly "sail-sign" like triangular shape with the inferior margin terminating at the inferior base of the hilum, a configuration similar to that seen when the thymus is visible on a pediatric radiograph. 2. Elevation of the right hemidiaphragm likely due to bronchogenic obstruction and associated volume loss given the increased opacity and plate-like atelectasis changes of the right lung parenchyma. Also could be due to injury to the right phrenic nerve. Note the marked overall lung volume loss and increased density of lung markings suggestive of bronchogenic obstruction. 3. Oblique fissure right lung. 4. Blunting of the right costophrenic angle consistent with a pleural effusion. In general it takes about 200-300 ml of fluid to cause blunting of the costophrenic angle. 5. Thickened, distorted horizontal fissure vs. plate-like atelectasis due to obstructed bronchus.
    Keywords: X-Ray Radiology, Diagnostic, Roentgenography, Diagnostic X-Ray Radiology, Diagnostic X-Ray, Radiology, Diagnostic X-Ray, X-Ray, Diagnostic, Diagnosis, Carcinoma, Thymic, Neoplasms, Neoplasms by Histologic Type, Radiography

  2. X-ray (chest), PA, Thymoma Invasive, Adult Male

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    Description: 1. Mediastinal mass with compression of trachea. Note that the mass silhouettes the superior aspect of the right heart border and superior vena cava suggesting it abuts or is anterior to these structures. Also note the roughly "sail-sign" like triangular shape with the inferior margin terminating at the inferior base of the hilum, a configuration similar to that seen when the thymus is visible on a pediatric radiograph. 2. Elevation of the right hemidiaphragm likely due to bronchogenic obstruction and associated volume loss given the increased opacity and plate-like atelectasis changes of the right lung parenchyma. Also could be due to injury to the right phrenic nerve. Note the marked overall lung volume loss and increased density of lung markings suggestive of bronchogenic obstruction. 3. Oblique fissure right lung. 4. Blunting of the right costophrenic angle consistent with a pleural effusion. In general it takes about 200-300 ml of fluid to cause blunting of the costophrenic angle. 5. Thickened, distorted horizontal fissure vs. plate-like atelectasis due to obstructed bronchus.
    Keywords: Radiography, Diagnostic X-Ray Radiology, Neoplasms by Histologic Type, Radiology, Diagnostic X-Ray, Roentgenography, Neoplasms, Diagnostic X-Ray, Carcinoma, Thymic, X-Ray, Diagnostic, X-Ray Radiology, Diagnostic, Diagnosis

  3. X-ray (chest), PA, Thymoma, Adult Male

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    Description: 1. Mediastinal mass. CT is required to differentiate this mass as a thymoma vs. sarcoidosis or carcinoma other than location. 2. Deviation of the trachea to the right of the vertebral processes from mass effect. 3. Silhouette of aorta showing common age-related ectasia or unfolding of the aorta. The fact that the border of the aorta can be sharply differentiated from the mediastinal mass argues strongly that the mass is not due to aortic aneurysm or dissection. 4. Age-related calcification of costal cartilage.
    Keywords: Neoplasms by Histologic Type, Carcinoma, Thymic, Radiology, Diagnostic X-Ray, Roentgenography, Diagnostic X-Ray, Diagnosis, X-Ray, Diagnostic, Radiography, Neoplasms, X-Ray Radiology, Diagnostic, Diagnostic X-Ray Radiology

  4. X-ray (chest), PA, Thymoma, Adult Male

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    Description: 1. Mediastinal mass. CT is required to differentiate this mass as a thymoma vs. sarcoidosis or carcinoma other than location. 2. Deviation of the trachea to the right of the vertebral processes from mass effect. 3. Silhouette of aorta showing common age-related ectasia or unfolding of the aorta. The fact that the border of the aorta can be sharply differentiated from the mediastinal mass argues strongly that the mass is not due to aortic aneurysm or dissection. 4. Age-related calcification of costal cartilage.
    Keywords: Diagnostic X-Ray, X-Ray Radiology, Diagnostic, Radiology, Diagnostic X-Ray, Roentgenography, Carcinoma, Thymic, Neoplasms, Radiography, Neoplasms by Histologic Type, Diagnosis, X-Ray, Diagnostic, Diagnostic X-Ray Radiology

  5. X-ray (chest), PA, Thymoma, Adult Male

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    Description: 1. Mediastinal mass. CT is required to differentiate this mass as a thymoma vs. sarcoidosis or carcinoma other than location. 2. Deviation of the trachea to the right of the vertebral processes from mass effect. 3. Silhouette of aorta showing common age-related “ectasia” or unfolding of the aorta. The fact that the border of the aorta can be sharply differentiated from the mediastinal mass argues strongly that the mass is not due to aortic aneurysm or dissection. 4. Age-related calcification of costal cartilage.
    Keywords: Diagnosis, Neoplasms, X-Ray Radiology, Diagnostic, X-Ray, Diagnostic, Carcinoma, Thymic, Diagnostic X-Ray Radiology, Diagnostic X-Ray, Roentgenography, Neoplasms by Histologic Type, Radiology, Diagnostic X-Ray, Radiography

  6. X-ray (chest), PA, Pneumonia RML Silhouette Sign, Answers, Adult Male

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    Description: 1. Right middle lobe airspace opacification. Opacification can be due to multiple causes: blood, infection, edema, infarction, infiltration, or consolidation are the main causes. 2. Obscured right heart border c/w silhouette sign. 3. Slight blunting of right costophrenic angle c/w small pleural effusion. ****parapneumonic effusion**** the old adage is never let the sun set (or rise depending on your shift) on a parapneumonic effusion 4. Silhouette of right hemidiaphragm as well as right heart border.
    Keywords: Diagnosis, Roentgenography, Pulmonary Inflammation, Pneumonia, Lobar, Diagnostic X-Ray, X-Ray, Diagnostic, Radiography, Radiology, Diagnostic X-Ray, Lobar Pneumonia, Diagnostic X-Ray Radiology, Pneumonitis, Experimental Lung Inflammation, X-Ray Radiology, Diagnostic, Lung Inflammation

  7. X-ray (chest), PA, Pneumonia RML Silhouette Sign, Numbered, Adult Male

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    Description: 1. Right middle lobe airspace opacification. Opacification can be due to multiple causes: blood, infection, edema, infarction, infiltration, or consolidation are the main causes. 2. Obscured right heart border c/w silhouette sign. 3. Slight blunting of right costophrenic angle c/w small pleural effusion. ****parapneumonic effusion**** the old adage is never let the sun set (or rise depending on your shift) on a parapneumonic effusion 4. Silhouette of right hemidiaphragm as well as right heart border.
    Keywords: Radiology, Diagnostic X-Ray, Pneumonia, Lobar, Radiography, Diagnostic X-Ray, Experimental Lung Inflammation, X-Ray Radiology, Diagnostic, Diagnostic X-Ray Radiology, Roentgenography, Pulmonary Inflammation, X-Ray, Diagnostic, Lobar Pneumonia, Pneumonitis, Lung Inflammation, Diagnosis

  8. X-ray (chest), PA, Thymoma Invasive, Adult Male

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    Description: 1. Mediastinal mass with compression of trachea. Note that the mass silhouettes the superior aspect of the right heart border and superior vena cava suggesting it abuts or is anterior to these structures. Also note the roughly “sail-sign” like triangular shape with the inferior margin terminating at the inferior base of the hilum, a configuration similar to that seen when the thymus is visible on a pediatric radiograph. 2. Elevation of the right hemidiaphragm likely due to bronchogenic obstruction and associated volume loss given the increased opacity and plate-like atelectasis changes of the right lung parenchyma. Also could be due to injury to the right phrenic nerve. Note the marked overall lung volume loss and increased density of lung markings suggestive of bronchogenic obstruction. 3. Oblique fissure right lung. 4. Blunting of the right costophrenic angle consistent with a pleural effusion. In general it takes about 200-300 ml of fluid to cause blunting of the costophrenic angle. 5. Thickened, distorted horizontal fissure vs. plate-like atelectasis due to obstructed bronchus.
    Keywords: Diagnostic X-Ray, X-Ray Radiology, Diagnostic, Roentgenography, Neoplasms, Diagnostic X-Ray Radiology, Neoplasms by Histologic Type, Radiography, Diagnosis, Carcinoma, Thymic, Radiology, Diagnostic X-Ray, X-Ray, Diagnostic

  9. X-ray (chest), PA, Pneumonia RML Silhouette Sign, Adult Male

    show more
    Description: 1. Right middle lobe airspace opacification. Opacification can be due to multiple causes: blood, infection, edema, infarction, infiltration, or consolidation are the main causes. 2. Obscured right heart border c/w silhouette sign. 3. Slight blunting of right costophrenic angle c/w small pleural effusion. ****parapneumonic effusion**** the old adage is never let the sun set (or rise depending on your shift) on a parapneumonic effusion 4. Silhouette of right hemidiaphragm as well as right heart border.
    Keywords: X-Ray Radiology, Diagnostic, Pneumonitis, Diagnosis, X-Ray, Diagnostic, Pulmonary Inflammation, Experimental Lung Inflammation, Diagnostic X-Ray Radiology, Radiology, Diagnostic X-Ray, Diagnostic X-Ray, Pneumonia, Lobar, Roentgenography, Radiography, Lobar Pneumonia, Lung Inflammation

  10. X-ray (chest), PA, Pneumothorax, Adult Male, Answers

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    Description: 1. Absence of lung tissue markings. Compare to #4 2. Trachea deviated to the right suggestive of tension pneumothorax. Note that even with this severe tension pneumothorax there is minimal tracheal deviation up in the neck. This helps to demonstrate the part of the reason for the poor sensitivity of physical exam findings for the detection of tension pneumothorax. 3. Depression and flattening of the left heimdiaphragm due to increased pressure within the left hemithorax. Also note the increased space between ribs. 4. Normal lung markings.
    Keywords: Primary Spontaneous Pneumothorax, X-Ray Radiology, Diagnostic, Spontaneous Pneumothorax, Roentgenography, Tension Pneumothorax, Diagnostic X-Ray, Diagnosis, Diagnostic X-Ray Radiology, Radiography, X-Ray, Diagnostic, Pressure Pneumothorax, Pneumothorax, Radiology, Diagnostic X-Ray