대한흉부영상의학회 Korean Society of Thoracic Radiology

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Weekly Chest CasesArchive of Old Cases

Case No : 1123 Date 2019-05-06

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  • Courtesy of Jae Wook Lee, Kyung Eun Shin, Jai Soung Park / Soonchunhyang University Bucheon Hospital
  • Age/Sex 53 / M
  • Chief Complaintincidentally detected mass on a chest radiograph
  • Figure 1
  • Figure 2
  • Figure 3
  • Figure 4
  • Figure 5
  • Figure 6
  • Figure 7

Diagnosis With Brief Discussion

Diagnosis
Thymic atypical carcinoid
Radiologic Findings
Fig. 1-2 Chest PA/Lat shows well-demarcated large mass at anterior mediastinum.
Fig. 3-4 Chest CT with enhancement shows diffuse enhancing mass with multifocal internal low attenuated foci at anterior mediastinum.
Fig. 5-7 Chest MRI shows heterogeneous high signal intensity on T2WI, iso signal intensity on T1WI, diffuse enhancement on post-enhancement T1WI with foci of low signal intensity inside.
Brief Review
Thymic neuroendocrine tumours (NETs) are rare, constituting approximately 2
References
Shimamoto A, Ashizawa K, Kido Y, Hayashi H, Nagayasu T, Kawakami A, et al. CT and MRI findings of thymic carcinoid. Br J Radiol. 2017;90:20150341.
Please refer to
Case 421
Keywords
Mediastinum, Thymic Carcinoid,

No. of Applicants : 68

▶ Correct Answer : 15/68,  22.1%
  • - Saitama-Sekishinkai Hosptal , Japan MIHOKO YAMAZAKI
  • - Ajou University School of Medicine , Korea (South) JUNG YONG JUN
  • - Ajou University Hospital , Korea (South) KYUNGMIN LEE
  • - Other , Korea (South) SEONGSU KANG
  • - Seoul National University Hospital , Korea (South) Ju Gang Nam
  • - Ajou University Hospital , Korea (South) DAYOUNG KIM
  • - University of Tsukuba, Dept of Radiology , Japan MANABU MINAMI
  • - Ajou University Hospital , Korea (South) HYERIN KIM
  • - TB centre kasaragod. , India rikhy krishnan
  • - University of Tsukuba Hospital , Japan SODAI HOSHIAI
  • - Ichinomiya Nishi Hospital , Japan Takao Kiguchi
  • - Hamamatsu University Hospital , Japan YUKI HAYASHI
  • - the first affiliatited hospital of nanjing medical univercity , China HAI XU
  • - Ajou University Hospital , Korea (South) YONG HO JANG
  • - Ajou University Hospital , Korea (South) YOO YOUNGJIN
▶ Correct Answer as Differential Diagnosis : 13/68,  19.1%
  • - The University of Kyoto Hospital , Japan TOMOAKI OTANI
  • - ZIGONG TCM HOSPITAL OF CHINA , China Cao Cunyou
  • - Kinki University Faculty of Medicine, , Japan MITSURU MATSUKI
  • - Vita Hospital , Brazil DIOGO LAGO PINHEIRO
  • - Cabinet Capricorne, clinique sainte-clotilde , Reunion FABIEN HO
  • - Fujieda Municipal General Hospital , Japan HAYATO NOZAWA
  • - Wuhan Union Hospital , China NANCHUAN JIANG
  • - Gifu University Hospital , Japan Yo Kaneko
  • - Seoul National University Hospital , Korea (South) SE WOO KIM
  • - Chonbuk National University Hospital , Korea (South) KUM JU CHAE
  • - , Korea (South) JANG SEONG WON
  • - Kizawa Memorial Hospital , Japan Shoji Okuda
  • - Ajou University Hospital , Korea (South) SUBIN HEO
▶ Semi-Correct Answer : 2/68,  2.9%
  • - CLINIQUE STE CLOTILDE , Reunion PATRICK MASCAREL
  • - , Japan YUMI MAEHARA
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