During the past five years all cases coming to the roentgen laboratory of the Children's Hospital for examination of the chest that showed signs of rickets, such as a rosary or a deformity of the chest, have been collected for study. Information on the incidence of pneumonia and atelectasis, the type of pneumonia usually encountered, the prognosis and the differential diagnosis of pneumonia and atelectasis was especially sought. In cases of suspected pneumonia in infants and young children showing a rachitic rosary with deformity of the chest, the differentiation between atelectasis and pneumonia is sometimes difficult. An effort was made to study the usual roentgenographic distribution of atelectasis and to reach some conclusion that would be an aid in the differential diagnosis.
Seventy-eight patients were studied, divided into three groups: the first, thirty-one in number, which showed a rosary in the roentgenogram but which exhibited at no time any evidence
BROMER RS. THE CHEST IN RACHITIC CHILDREN: A ROENTGENOLOGIC STUDY. JAMA. 1931;96(7):509–513. doi:10.1001/jama.1931.02720330029008
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