[Antineutrophil Cytoplasmic Antibody (ANCA) Negative Limited-form Granulomatosis with Polyangiitis of the Lung Diagnosed by the Thoracoscopic Lung Biopsy]

Kyobu Geka. 2018 Sep;71(9):680-684.
[Article in Japanese]

Abstract

Antineutrophil cytoplasmic antibody (ANCA) negative pulmonary limited-form granulomatous with polyangiitis (GPA) is a rare type of GPA. A 53-year-old female had been followed as the possible pulmonary infarction of bilateral lungs for 4 years without any therapy. Chest computed tomography(CT) examination of the patient showed newly appeared nodular lesions in the lungs, which were suspected as malignancy by positron emission tomography (PET) -CT. Thoracoscopic lung biopsy of the lesions was performed and histopathological diagnosis was GPA showing multiple granulomas with vasculitis. Since both C and P-ANCA were negative and no evidence of kidney involvement, we finally diagnosed the lung lesions as ANCA negative limited-form GPA.

Publication types

  • Case Reports

MeSH terms

  • Antibodies, Antineutrophil Cytoplasmic*
  • Biopsy
  • Female
  • Granuloma / complications
  • Granuloma / pathology
  • Granulomatosis with Polyangiitis / diagnostic imaging*
  • Granulomatosis with Polyangiitis / pathology
  • Humans
  • Infarction / diagnosis
  • Lung / blood supply*
  • Middle Aged
  • Tomography, X-Ray Computed
  • Vasculitis / complications

Substances

  • Antibodies, Antineutrophil Cytoplasmic