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Weekly Chest CasesArchive of Old Cases

Case No : 1421 Date 2025-01-13

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  • Courtesy of Kyung Hee Lee / Inha University Hospital
  • Age/Sex 56 / F
  • Chief ComplaintEpigastric pain, radiating pain to back.
  • Figure 1
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  • Figure 6
  • Figure 7
  • Figure 8

Diagnosis With Brief Discussion

Diagnosis
Mullerian cyst
Radiologic Findings
Fig. 1-4. Fluid attenuated, non enhancing mass with fluid-fluid level in posterior mediastinum abutting descending thoracic aorta.
Fig. 5. Fat suppressed T2WI shows well-demarcated mass with homogeneous high signal intensity.
Fig. 6. ADC maps shows no diffusion restriction.
Fig. 7. The posterior mediastinal lesion is high SI on T1WI and not enhanced on post contrast T1WI.
Brief Review
Mediastinal cysts have a broad range of etiologies, such as bronchogenic, thymic, neuroenteric cysts and M
References
1. Kobayashi S, Inoue T, Karube Y, Hayama M, Oyaizu T, Honma K, et al. A case of Mullerian cyst arising in posterior mediastinum. Ann Thorac Cardiovasc Surg 2012;18:39-41.
2. Simmons M, Duckworth LV, Scherer K, Drew P, Ruch D. Mullerian cysts of the posterior mediastinum: report of two cases and review of the literature. JTD 2013;5(1)
Keywords

No. of Applicants : 61

▶ Correct Answer : 16/61,  26.2%
  • - Ishikawa Matto Central Hospital , Japan MANABU AKIMOTO
  • - , Japan SUZUNE TSUKAMOTO
  • - medical scanning , Japan HIROAKI ARAKAWA
  • - Kyoto University , Japan AKIHIKO SAKATA
  • - Healthy Longevity Medical Center , Japan SHIN-ICHI CHO
  • - Osaka University , Japan AKINORI HATA
  • - , Japan YOSHIKI ISHII
  • - University of Yamanashi , Japan HIROAKI WATANABE
  • - , Japan SHUNJIRO NOGUCHI
  • - , Japan MARINO TANIGUCHI
  • - University of Tsukuba, Dept of Radiology , Japan MANABU MINAMI
  • - Mie university , Japan SHIKO OKABE
  • - Fukuoka university , Japan KEISUKE SATO
  • - Matsunami General Hospital , Japan TARO TAKEDA
  • - Toyota Kosei Hospital , Japan YUKI HAYASHI
  • - University of Yamanashi , Japan KOJIRO ONOHARA
▶ Correct Answer as Differential Diagnosis : 7/61,  11.5%
  • - The University of Tokyo Hospital , Japan TOSHIHIRO FURUTA
  • - Osaka Metropolitan University Hospital , Japan SHU MATSUSHITA
  • - Jichi Medical University, School of Medicine , Japan MITSURU MATSUKI
  • - Shiga General Hospital , Japan YUSAKU MORIBATA
  • - Kyoto University , Japan SHO KOYASU
  • - Yonsei University,Severance Hospital , Korea (South) SEO BUM CHO
  • - Kantou Rousai Hospital , Japan KAORU SUMIDA
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