대한흉부영상의학회 Korean Society of Thoracic Radiology

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Weekly Chest CasesCases by Disease Category

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

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