The frequent discrepancies between roentgenologic observations and physical signs in pulmonary tuberculosis have long drawn the attention of the phthisiologist, and the study and close correlation of roentgenology and semeiology have brought a revision in many of the physical signs, giving a different interpretation and significance to many of them. Pulmonary cavities offer a broad field in this respect; not only are the so-called classic signs of cavitation missing in certain cases of pulmonary cavities, but at times no adventitious sounds are elicited at all, though roentgenologically there is no doubt of the existence of such a cavernum. To the general practitioner, and even to the specialist in tuberculosis, this might seem a rare phenomenon and of little clinical value, but its clinical importance becomes at once self-evident in view of the observations of recent investigators.
Burnard and Garrard,1 in a study of a large number of cases of
BENDOVE RA. SILENT PULMONARY CAVITIESTHEIR PROBABLE MECHANISM, DIAGNOSIS AND PROGNOSIS. JAMA. 1926;87(21):1739–1742. doi:10.1001/jama.1926.02680210045014
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