대한흉부영상의학회 Korean Society of Thoracic Radiology

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Weekly Chest CasesArchive of Old Cases

Case No : 443 Date 2006-04-24

  • Courtesy of Hyun Ju Lee, MD. / Seoul National University Hospital, Seoul, Korea
  • Age/Sex 22 / M
  • Chief ComplaintIncedentally found mediastinal mass
  • Figure 1
  • Figure 2
  • Figure 3

Diagnosis With Brief Discussion

Diagnosis
Mature Cystic Teratoma
Radiologic Findings
Chest radiograph shows large mass shadow along left heart border. Left heart border is obliterated. On chest CT, the mass shows heterogenous enhancement. Cystic portion and focal calcification were seen in the mass. The fat plane between mass and heart is obliterated. Invasion to pericardium at the site of main pulmonary artery and to left superior pulmonary vein cannot be excluded.

En bloc resection of the mass was performed. Adhesion to pericardium was found, but there was no invasion. Histopathologic diagnosis was mature cystic teratoma. In the mass, serous and ceromic fluid, focal calcifications, and focal brain-like tissue were found.
Brief Review
References
Refer to case 36, case 51, case 150, case 175, case 315, and case 366.
Keywords
Mediastinum, Benign tumor,

No. of Applicants : 54

▶ Correct Answer : 29/54,  53.7%
  • - Monaldi Hospital, Naples, Italy Gaetano Rea
  • - K.M.C Manipal, India Nabil Sherif Mahmood
  • - Yonsei University Shinchon Severance Hospital, Korea Eun Hye Yoo
  • - Yonsei University Shinchon Severance Hospital, Korea Sung Soo Ahn
  • - Mackay Memorial Hospital, Taipei, Taiwan Chia-Fu Tsai
  • - National Taiwan University Hospital, Taiwan Yu-Feng Wei
  • - Aditya Imaging Center, Gujarat, India Vivek Patel
  • - B.J.Medical College, Pune, India Bankim J.Amin
  • - CHR Lille Hospital, Calmette, France Benjamin Damarey
  • - EPM-Unifesp and Fleury Medical Center, Brazil Gustavo Meirelles
  • - Seoul National University Hospital, Korea Young Soon Yoon
  • - BJMC and Sassoon Hospitals, Pune, India Rahul Renapurkar
  • - Maimonides Medical Center; Brooklyn, New York, USA Naomi Twersky
  • - Kashan University of Medical Sciences, Kashan, Iran Ebrahim Razi
  • - Pusan National University Hospital, Korea Kun-Il Kim
  • - Hangang Sacred Heart Hospital, Korea Eil Seong Lee
  • - Kangdong Sacred Hospital, Korea Kyoung Ja Lim.
  • - Cape Breton Regional Hospital, Canada M U Islam, FRCR
  • - Ondokuz Mayis University, Samsun, Turkey Cetin Celenk
  • - Nirman Hi-tech Diagnostic Center, Mumbai, India Minal Seth
  • - Government Medical College, Vadodara, India Vijay Vaidya
  • - Homs National Hospital, Homs, Syria Rami Abou Zalaf
  • - Radiologie Guiton, La Rochelle, France. Denis Chabassiere
  • - Annemasse, Polyclinique de Savoie, France Gay-Depassier
  • - Ultracare, Coimbatore, India Debabrata Das
  • - University of Bari, Italy Andrea Salvati
  • - Diskapi Yildirim Beyazit Hospital, Ankara, Turkey Meric Tuzun
  • - Radiologist, Zulekha Hospital, Dubai. Saurabh Khandelwal
  • - China Medical University Hospital,Taiwan Jun-Jun Yeh
▶ Correct Answer as Differential Diagnosis : 9/54,  16.7%
  • - Mimer Medical College, Talegaon, Pune, India Ishwarlal Agarwal
  • - Annecy Hospital, France Gilles Genin
  • - Annecy Hospital, France Bing Fabrice
  • - Cabinet de Radiologie Guiton, La Rochelle, France Jean-Luc Bigot
  • - Regional Imaging-Riverina, Australia Rashid Hashmi
  • - KangNam St.Mary Hospital, Korea ChaeHun Lim
  • - MYH, Indore, India Sonali Jain
  • - Yonsei University Shinchon Severance Hospital, Korea Yong Eun Chung
  • - Apollo FirstMed Hospital, Chennai, India R G Gopinath
▶ Semi-Correct Answer : 12/54,  22.2%
  • - Pgimer, Chandigarh, India Ashish Gupta
  • - Pgimer, Chandigarh, India Ram Prakash Galwa
  • - Hopital Calmette CHRU, Lille, France Toledano Manuel
  • - Seoul National University Hospital, Korea Kwang Nam Jin
  • - Inje University Ilsan Paik Hospital, Korea Bae Geun Oh
  • - Kyungpook National University Hospital, Korea Han Young Jung
  • - Sam Anyang Hospital, Korea Jae Seung Seo
  • - National Taiwan University Hospital, Taiwan Chang Chin-Chen
  • - Yonsei University Shinchon Severance Hospital, Korea Hye-Jeong Lee
  • - Consultant Radiologist, Vizag, AP, India S Pipavath
  • - Max Hospital, New Delhi, India Vickrant Malhotra
  • - Samsung medical center, Seoul, Korea Ha Young Kim
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