대한흉부영상의학회 Korean Society of Thoracic Radiology

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대한흉부영상의학회 Weekly Case 검색
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Weekly Chest CasesArchive of Old Cases

Case No : 1129 Date 2019-06-19

  • Courtesy of Jin Hur / Severance Hospital, Yonsei University School of Medicine
  • Age/Sex 29 / F
  • Chief ComplaintNo specific symptom
  • Figure 1
  • Figure 2
  • Figure 3

Diagnosis With Brief Discussion

Diagnosis
schwannoma from vagus nerve
Radiologic Findings
Sharply marginated left side mediastinal mass is seen on chest radiograph.
Post- enhanced chest CT scans show inhomogeneous low attenuation mass with enhancing wall in aortopulmonary window area.
Brief Review
Schwannoma is a benign tumor originating from the Schwann cells that surround the peripheral nerve fibers. Schwannomas are benign and well encapsulated most of the time. Intrathoracic schwannomas most often arise in a paravertebral location from the sympathetic chain or intercostal nerve. Schwannomas originating from the intrathoracic or mediastinal vagus nerve are rare and atypical. Mediastinal vagus nerve schwannomas are almost twice as likely to be located on the left than on the right, may occur at any age, and do not show a gender preference.
Please refer to
Case 120, Case 384, Case 415, Case 852, Case 989, Case 1016,
KSTR Imaging Conference 2016 Spring  Case 1,
References
1. Takeda S, Miyoshi S, Minami M, Matsuda H. Intrathoracic neurogenic tumors‐‐50 years' experience in a Japanese institution. Eur J Cardiothorac Surg 2004; 26: 807–812
2. Huang TW, Yang MH, Cheng YL, Tsai WC and Lee SC: Vagus nerve schwannoma in the middle mediastinum. Thorac Cardiovasc Surg 2010; 58: 312 314.
Keywords
mediasitnum, schwannoma ,

No. of Applicants : 70

▶ Correct Answer : 24/70,  34.3%
  • - Kinki University Faculty of Medicine, , Japan MITSURU MATSUKI
  • - Mayo Clinic , United States AKITOSHI INOUE
  • - Chonbuk National University Hospital , Korea (South) MINGI SHIN
  • - Seoul National University Hospital , Korea (South) Ju Gang Nam
  • - Oita University, Faculty of Medicine , Japan Fumito Okada
  • - university of montreal , Canada Andrei Bogdan Gorgos I
  • - Chonbuk National University Hospital , Korea (South) JUNGHWAN KIM
  • - Other , Korea (South) JIYEON HAN
  • - Other , Korea (South) JUWON KIM
  • - Gifu University Hospital , Japan Yo Kaneko
  • - radiology bellvitge , Spain patricio luburich
  • - CLINIQUE STE CLOTILDE , Reunion PATRICK MASCAREL
  • - Dae Jin Medical Center , Korea (South) JIYOUNG CHOI
  • - University of Tsukuba, Dept of Radiology , Japan MANABU MINAMI
  • - Seoul National University Hospital , Korea (South) SE WOO KIM
  • - Chonbuk National University Hospital , Korea (South) KUM JU CHAE
  • - Asan Medical Center , Korea (South) JIHOON KIM
  • - University of Tsukuba Hospital , Japan SODAI HOSHIAI
  • - Chonbuk National University Hospital , Korea (South) SOL KI KIM
  • - Chonbuk National University Hospital , Korea (South) MINJEE KIM
  • - Toranomon Hospital , Japan KAORU SUMIDA
  • - Ichinomiya Nishi Hospital , Japan Takao Kiguchi
  • - Chonbuk National University Hospital , Korea (South) YOUNG JU SONG
  • - the first affiliatited hospital of nanjing medical univercity , China HAI XU
▶ Correct Answer as Differential Diagnosis : 14/70,  20.0%
  • - The University of Kyoto Hospital , Japan TOMOAKI OTANI
  • - McGill University Health Center , Canada Alexandre Semionov
  • - Other , Korea (South) CHUNGEUN LIM
  • - Vita Hospital , Brazil DIOGO LAGO PINHEIRO
  • - Other , Korea (South) SEONGSU KANG
  • - Kurashiki Central Hospital , Japan HISATAKA ITO
  • - Narayana Multispeciality Hospital Jaipur Rajasthan , India JAINENDRA JAIN
  • - Ajou University Hospital , Korea (South) DAYOUNG KIM
  • - Ajou University Hospital , Korea (South) HYERIN KIM
  • - , Korea (South) JANG SEONG WON
  • - National Center for Global Health and Medicine , Japan HIROSHI TAKUMIDA
  • - , Japan YUMI MAEHARA
  • - Ajou University Hospital , Korea (South) YONG HO JANG
  • - Ajou University Hospital , Korea (South) YOO YOUNGJIN
▶ Semi-Correct Answer : 1/70,  1.4%
  • - Diskapi Yildirim Beyazit Hospital, Ankara , Turkey MERIC TUZUN
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