pleuropulmonary blastoma (ppb) is a rare, malignant intrathoracic tumor that occurs mostly in children before 5 years old. it consists about 15% of all primary pediatric pulmonary tumors and shows various mesenchymal components. its presentations are nonspecific and common symptoms include fever, cough, chest pain, respiratory distress, and pulmonary infection. ppb should be considered in the d...

using complement fixation technique, serial serum samples from 15 patients undergoing surgical removal of malignant tumors were assayed for the presence of tumors antibodies against the cellular fractions of both normal and carcinomatous tissue. antibody responses against tumor associated antigens were detected in four cases. in all cases antibody activity was directed only against the supernat...

The author studied 133, 856 admissions over a ten-year period and found 138 cases of primary tumors of bone. Of these only 33 were multiple myeloma. Incidence, clinical manifestation, age, sex and etiology are reported, and the effect of four different chemotherapy regimens are evaluated.