Snowball‐like appearance on radial endobronchial ultrasonography in a patient with invasive mucinous adenocarcinoma

  • Takeshi Kawaguchi
    Department of Rheumatology, Infectious Diseases, and Laboratory Medicine, Faculty of Medicine University of Miyazaki Miyazaki Japan
  • Daisuke Himeji
    Department of Internal Medicine Miyazaki Prefectural Miyazaki Hospital Miyazaki Japan
  • Kiichio Beppu
    Department of Surgery Miyazaki Prefectural Miyazaki Hospital Miyazaki Japan
  • Kousuke Marutsuka
    Department of Anatomic Pathology Miyazaki Prefectural Miyazaki Hospital Miyazaki Japan

説明

<jats:title>Abstract</jats:title><jats:p>Invasive mucinous adenocarcinoma (IMA), which is a relatively rare lung adenocarcinoma, is considered a high‐grade subtype and is associated with a poor prognosis. IMA is difficult to diagnose by computed tomography because it requires differentiation from inflammatory diseases, such as atelectasis, infectious pneumonia, and organizing pneumonia. Thus far, no reports of radial endobronchial ultrasonography (EBUS) findings in IMA have been published. This article presents a case of IMA with a characteristic shadow, snowball‐like appearance on radial EBUS in a 67‐year‐old Japanese man.</jats:p>

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