Weekly Chest CasesCases by Disease Category

Case No : 1301 Date 2022-09-28

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  • Courtesy of Jee Hye Hur / Hanil General Hospital
  • Age/Sex 59 / F
  • Chief ComplaintRoutine check-up, no specific symptom
  • Figure 1
  • Figure 2
  • Figure 3
  • Figure 4
  • Figure 5
  • Figure 6

Diagnosis With Brief Discussion

Diagnosis
Left pulmonary artery sling
Radiologic Findings
Fig 1. Chest PA shows an anomalous right paratracheal border.
Fig 2-6. CT scans show the abnormal course of the left pulmonary artery between the lower portion of the trachea and the esophagus. No definite tracheal stenosis is noted.
Brief Review
In this rare vascular developmental anomaly, the left pulmonary artery arises from the posterior aspect of the right pulmonary artery and passes between the trachea and esophagus to reach the left hilum. The left pulmonary artery thus forms a sling around the distal trachea and the proximal right main bronchus. Those affected by pulmonary artery sling may be classified generally into two groups: one with a normal bronchial pattern and the other with one or more malformations of the bronchotracheal tree (eg, stenosis of a long segment of the trachea or absence of the pars membranacea) as well as cardiovascular abnormalities. In the latter group, mortality and morbidity are high during infancy.The former group includes very few asymptomatic adults. In asymptomatic cases, a pulmonary artery sling may mimic a mediastinal mass on chest radiographs. CT and MRI may be used to establish the diagnosis with certainty.
References
1. Casta
Keywords
Left pulmonary artery sling,

No. of Applicants : 84

▶ Correct Answer : 74/84,  88.1%
  • - Saitama-Sekishinkai Hosptal , Japan MIHOKO YAMAZAKI
  • - , Japan HIROAKI ARAKAWA
  • - Showa university Northern Yokohama Hospital , Japan KOTA WATANABE
  • - Jichi Medical University Hospital , Japan JUN KANZAWA
  • - ZIGONG TCM HOSPITAL OF CHINA , China CAO CUN YOU
  • - Kinki University Faculty of Medicine, , Japan MITSURU MATSUKI
  • - , Japan KYOKO NAGAI
  • - Showa General Hospital , Japan MASAFUMI KAIUME
  • - Shiga University of Medical Science , Japan AKITOSHI INOUE
  • - , United Kingdom SAMSON KADE
  • - McGill University Health Center , Canada ALEXANDRE SEMIONOV
  • - National Center of Neurology and Psychiatry , Japan MOTO NAKAYA
  • - , Italy PAOLO BALDASSARI
  • - Tiger Gate Hospital , Japan SHIN-ICHI CHO
  • - Other , Korea (South) HWANGHEE JO
  • - Vita Hospital , Brazil DIOGO LAGO PINHEIRO
  • - Ajou University Hospital , Korea (South) KYUNGMIN LEE
  • - Other , Korea (South) SEONGSU KANG
  • - Scans world , India PHILSON JOSEPH MUKKADA
  • - , Korea (South) JIN YOUNG LEE
  • - Oita University, Faculty of Medicine , Japan FUMITO OKADA
  • - Seoul Medical Center , Korea (South) HYUK GI HONG
  • - Chonbuk National University Hospital , Korea (South) JUNGHWAN KIM
  • - Osaka University , Japan AKINORI HATA
  • - Shimada General Medical Center , Japan HAYATO NOZAWA
  • - , Korea (South) MINJI KIM
  • - Soonchunhyang University Hospital Bucheon , Korea (South) HYEJOO PARK
  • - Other , Korea (South) HYEON IL CHOI
  • - , Japan YUKIKO USUI
  • - The University of Tokyo Hospital , Japan TOSHIHIRO FURUTA
  • - Ajou University Hospital , Korea (South) MINJI KIM
  • - Narayana Multispeciality Hospital Jaipur Rajasthan , India JAINENDRA JAIN
  • - Inje University Pusan Paik Hospital , Korea (South) JIYEON HAN
  • - , India JAHNAVI GADUPTI
  • - Gifu University Hospital , Japan Yo Kaneko
  • - Kyoto University Hospital , Japan YASUHISA KURATA
  • - Ajou University Hospital , Korea (South) YOU NA KIM
  • - Chungbuk National University Hospital , Korea (South) JUNGHYUN LEE
  • - Other , Korea (South) CHAEHUN LIM
  • - , India MANISH KUMAR JHA
  • - Mallinckrodt Institute of Radiology , United States NAGANATHAN MANI
  • - Osaka Metropolitan University Hospital , Japan SHU MATSUSHITA
  • - Chungbuk National University Hospital , Korea (South) MIHYEON PARK
  • - University of Tsukuba, Dept of Radiology , Japan MANABU MINAMI
  • - Avrasya Hospital/ISTANBUL , Turkey MURAT ULUSOY
  • - Eskisehir Sehir Hastanesi , Turkey MURAT SAHIN
  • - , Qatar NABIL SHERIF MAHMOOD
  • - Seoul National University Hospital , Korea (South) SE WOO KIM
  • - Other , Korea (South) SEONG WON JANG
  • - Dokkyo Medical University , Japan HIROAKI ARAKAWA
  • - Manipal hospital Hebbal ,Bengaluru , India PRAVIN KUMAR M
  • - Inje University Ilsan Paik Hospital , Korea (South) SOYEUN PARK
  • - , Korea (South) KIM HYE IN
  • - Others , India PURUSHOTHAMA RAO TUMMALA
  • - Ulsan University Hospital , Korea (South) SUNGMIN KIM
  • - Other , Korea (South) KYU-CHONG LEE
  • - Kyoto University Hospital , Japan SATOSHI IKEDA
  • - Paras hospital, Panchkula , India SHALEEN RANA
  • - Nishida Hospital , Japan SHOJI OKUDA
  • - Seoul National University Bundang Hospital , Korea (South) YOONAH DO
  • - Pusan National University Yangsan Hospital , Korea (South) JI HWAN KIM
  • - Yonsei University,Severance Hospital , Korea (South) SEO BUM CHO
  • - Toranomon Hospital , Japan KAORU SUMIDA
  • - Ichinomiya Nishi Hospital , Japan Takao Kiguchi
  • - Nerimahikarigaoka hospital , Japan TAKANA HAYASHI
  • - The University of Tokyo Hospital , Japan HIROSHI TAKUMIDA
  • - , Japan YUMI MAEHARA
  • - , Japan RYO UEMURA
  • - Presbyterian Medical Center , Korea (South) WAI ZIN WIN
  • - , Japan YUKI HAYASHI
  • - The Catholic University of Korea Yoeuido St. Mary , Korea (South) CHAWOONG JEON
  • - , Korea (South) HM PARK
  • - the first affiliatited hospital of nanjing medical univercity , China HAI XU
  • - Jiangsu province hospital , China WANGJIAN ZHA
▶ Correct Answer as Differential Diagnosis : 1/84,  1.2%
  • - Chonbuk National University Hospital , Korea (South) MINJEE KIM
▶ Semi-Correct Answer : 2/84,  2.4%
  • - Ishikawa Matto Central Hospital , Japan MANABU AKIMOTO
  • - Samsung Medical Center , Korea (South) JUHYUN KIM
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Current Editor : Sang Young Oh, M.D., Ph.D Email : sangyoung.oh@gmail.com

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