Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
CASE REPORTS
Two Cases of Primary Pulmonary Osteosarcoma
Toru KADOWAKIHironobu HAMADAAkihito YOKOYAMAHitoshi KATAYAMAMasahiro ABEKazutaka NISHIMURANoriyuki TOMIYAMAKatsumi KITOTatsuhiko MIYAZAKIJitsuo HIGAKI
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JOURNALS OPEN ACCESS

2005 Volume 44 Issue 6 Pages 632-637

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Abstract

Two cases of primary pulmonary osteosarcoma are presented. In both cases, chest computed tomography revealed a calcified pulmonary mass and technetium-99m methylene diphosphonate bone scintigraphy showed intense uptake in the pulmonary mass. Primary pulmonary osteosarcoma was suspected on the basis of these radiographic findings. Microscopic examination of tumor specimens obtained by needle biopsy revealed histologic features of osteosarcoma, and this diagnosis was confirmed by postmortem examination of a second specimen in each case. Radiographic and histopathological findings enabled us to diagnose primary pulmonary osteosarcoma, which is one of the rarest types of cancer.

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© 2005 by The Japanese Society of Internal Medicine
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