Undifferentiated/unclassified sarcoma in the lung: A case report

Naoki Date, Tsuyoshi Shoji, Yusuke Wakatsuki, Yuichi Yamada, Yoshinao Oda, Hiromichi Katakura

Research output: Contribution to journalArticle

Abstract

Background. Primary pulmonary sarcomas are rare tumors, and their differential diagnosis has many branches. Case. A 79-year-old woman was urgently transferred to our institution complaining of hemoptysis. Chest computed tomography revealed a lung tumor measuring 5 cm in size in the central area of the right middle lobe. Bronchoscopy did not provide a definitive diagnosis. We performed right pneumonectomy for the diagnosis and treatment. A histological examination showed the proliferation of round to short spindle-shaped cells with oval nuclei. The tumor was unable to be classified into any well-defined categories due to the lack of distinguishing immunohistochemical features. Ultimately, a diagnosis of undifferentiated/unclassified sarcoma was made. Conclusion. Primary pulmonary sarcomas are very rare, and their differential diagnosis is sometimes difficult.

Original languageEnglish
Pages (from-to)866-869
Number of pages4
JournalJapanese Journal of Lung Cancer
Volume57
Issue number7
DOIs
Publication statusPublished - 2017

All Science Journal Classification (ASJC) codes

  • Oncology
  • Pulmonary and Respiratory Medicine

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