THE fact that a pulmonary infiltrate seen on x-ray study of the chest is unilateral is often considered to favor the diagnosis of an inflammatory or neo-plastic process rather than pulmonary congestion. Nessa and Rigler‡ studied autopsied cases with pulmonary edema. Of 19 in which x-ray examination was adequate there was unilateral involvement in 5. Although this phenomenon is well documented in the radiologic literature, it is perhaps less appreciated in clinical medicine. The following is an example of apparent unilateral pulmonary edema.Case ReportA 64-year-old man entered the Boston Veterans Administration Hospital with a chief complaint of decreasing . . .
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Richman et al. (1961) studied this question.