대한흉부영상의학회 Korean Society of Thoracic Radiology

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Weekly Chest CasesArchive of Old Cases

Case No : 1478 Date 2026-02-16

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  • Courtesy of Ji Young Song, Taehee Lee, Ji Young Lee / Seoul National University Hospital
  • Age/Sex 66 / F
  • Chief ComplaintBlod-tinged sputum
  • Figure 1
  • Figure 2
  • Figure 3
  • Figure 4

Diagnosis With Brief Discussion

Diagnosis
Microscopic polyangiitis
Radiologic Findings
Fig 1. Chest PA image shows multifocal faint GGOs in both lungs
Fig 2. Non
Brief Review
Antineutrophil cytoplasmic autoantibody (ANCA)
References
1. Suzuki A, Sakamoto S, Kurosaki A, et al. Chest High-Resolution CT Findings of Microscopic Polyangiitis: A Japanese First Nationwide Prospective Cohort Study. AJR Am J Roentgenol. 2019;213(1):104-114.
2. Kwon J, Choi YW, Kim H, Yoo SJ. Thoracic Manifestations of ANCA-associated Vasculitis: Review of the 2022 American College of Rheumatology-European Alliance of Associations of Rheumatology Classification Criteria. Radiographics. 2025;45(4):e240089.
Keywords

No. of Applicants : 83

▶ Correct Answer : 9/83,  10.8%
  • - , Japan Z Y
  • - , Italy PAOLO BALDASSARI
  • - , China FANG YING GEN
  • - Chonbuk National University Hospital , Korea (South) YONG HWAN JO
  • - The University of Tokyo Hospital , Japan TOSHIHIRO FURUTA
  • - The Catholic University of Korea Yoeuido St. Mary , Korea (South) OHMIN KWON
  • - Other , Korea (South) CHAEHUN LIM
  • - , Japan TOMOHIRO KAWAJI
  • - Chonnam National University Hospital , Korea (South) JAEBONG YANG
▶ Correct Answer as Differential Diagnosis : 15/83,  18.1%
  • - Saitama-Sekishinkai Hosptal , Japan MIHOKO YAMAZAKI
  • - , Korea (South) KYUNG HYUN WOO
  • - Vita Hospital , Brazil DIOGO LAGO PINHEIRO
  • - Seoul Medical Center , Korea (South) HYUK GI HONG
  • - Osaka University , Japan AKINORI HATA
  • - Chiba University Hospital , Japan HIROKI MIYAZAKI
  • - University of Yamanashi , Japan HIROAKI WATANABE
  • - Shiga General Hospital , Japan YUSAKU MORIBATA
  • - Korea University Anam Hospital , Korea (South) KYU-CHONG LEE
  • - Kobe Children , Japan SHUHEI NORIMOTO
  • - Yonsei University,Severance Hospital , Korea (South) SEO BUM CHO
  • - Ehime University , Japan TOMOHISA OKADA
  • - University of Yamanashi , Japan KOJIRO ONOHARA
  • - , Japan YUJI OHIZUMI
  • - , Japan YUKIHISA TAKAYAMA
▶ Semi-Correct Answer : 11/83,  13.3%
  • - The University of Tokyo Hospital , Japan ISSEI FUKUDA
  • - Shiga University of Medical Science , Japan AKITOSHI INOUE
  • - Central Hospital Atasehir Istanbul , Turkey ARMAGAN SARAC
  • - Secomedic Hospital , Japan FUMINORI MIYOSHI
  • - Ajou University Hospital , Korea (South) HYUNSEUNG LEE
  • - Jichi Medical University, School of Medicine , Japan MITSURU MATSUKI
  • - Aichi Medical University , Japan HIROAKI OKADA
  • - Kyung Hee University Medical Hospital , Korea (South) TAE JUN PARK
  • - Ichinomiya Nishi Hospital , Japan Takao Kiguchi
  • - Ehime University , Japan KOTARO MATSUMOTO
  • - Jiangsu province hospital , China WANGJIAN ZHA
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Current Editor : Eui Jin Hwang, M.D., Ph.D Email : weeklychestcases@gmail.com

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