A 17-year-old boy was hospitalized for treatment of infectious mononucleosis. The clinical picture included atypical pneumonia complicated by pleural effusion. Follow-up chest roentgenogram showed pleural thickening on the affected side.
A 17-year-old boy was hospitalized for treatment of infectious mononucleosis. The clinical picture included atypical pneumonia complicated by pleural effusion. Follow-up chest roentgenogram showed pleural thickening on the affected side.
The borders of a pulmonary artery are obliterated when the vessel is in anatomic contact with an adjacent alveolar infiltrate. Whenever specific segmental arteries are noted to be so affected, disease can be localized to that particular segment or lobe. Cases of infiltrative processes in the right lower lung field on the posteroanterior roentgenogram are presented illustrating this method of localization.
A case of patent ductus arteriosus with pulmonary hypertension is presented. The presence of a distinctive rough prolonged diastolic murmur, instead of the usual Graham-Steell murmur of pulmonary incompetence, is stressed. It appears that this finding is typical of a particularly wide and short patent ductus and is classified as typical for atypical patent ductus arteriosus.
The occurrence of four cases of pneumomediastinum in our group in less than nine months seems to indicate that this entity is much more prevalent than has been reported. These cases with their varying signs and symptoms are described and the physiological explanation is discussed. The ease with which this condition may be mistaken for benign pericarditis without roentgenograms and electrocardiograms is shown. A brief review of the literature is also presented.
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