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Weekly Chest CasesArchive of Old Cases

Case No : 1483 Date 2026-03-23

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  • Courtesy of Seo Jung Ahn, Soyeoun Lim / Ulsan University Hospital
  • Age/Sex 38 / M
  • Chief ComplaintLt. flank pain for 3 days; Current smoker
  • Figure 1
  • Figure 2
  • Figure 3
  • Figure 4

Diagnosis With Brief Discussion

Diagnosis
NUT Carcinoma
Radiologic Findings
Fig 1. Chest radiograph shows dense consolidation in left lower lobe with pleural effusion in left hemithorax
Fig 2. Contrast enhanced chest CT image shows arterial enhancing lobulated contoured mass in left lower lobe, with necrosis and atelectasis of left lower lobe.
Fig 3. Contrast enhanced chest CT image shows enlarged necrotized lymph nodes in subcarinal, Lt. hilar areas.
Fig 4. Contrast enhanced chest CT image shows enhancing lobulated contoured nodules in left pleura
Brief Review
Nuclear protein in testis (NUT) carcinoma is a rare, highly lethal malignancy characterized by genetic alterations in the NUTM1 gene. Typically, NUT carcinoma arises in squamous cells along the body's midline organs (head, neck, lungs), yet non-midline organ origins are also reported. The precise incidence of NUT carcoinoma remains undefined. A systematic review of 119 NUT carcinoma reported that nearly 50% of patients were adolescents or young adults (14
References
1. Yu Zhang, Qi Zhang, Yue Hao et al. International guidelines on the diagnosis and treatment of NUT carcinoma. The Innovation 7(1): 101068, January 5, 2026
2. Jiaqian Yuan, Zhili Xu, Yong Guo et al. Diagnosis, Treatment and Prognosis of Primary Pulmonary NUT Carcinoma: A Literature Review Curr Oncol. 2022 Sep 22;29(10):6807
Keywords

No. of Applicants : 84

▶ Correct Answer : 10/84,  11.9%
  • - Kyoto University , Japan AKIHIKO SAKATA
  • - , Italy PAOLO BALDASSARI
  • - Other , Korea (South) SEONGSU KANG
  • - University of Yamanashi , Japan HIROYUKI MORISAKA
  • - , Japan SHUNJIRO NOGUCHI
  • - University of Tsukuba, Dept of Radiology , Japan MANABU MINAMI
  • - Kyoto University , Japan SHO KOYASU
  • - Kyung Hee University Medical Hospital , Korea (South) JEONG TAEK YOON
  • - Fukuoka university , Japan KEISUKE SATO
  • - Matsunami General Hospital , Japan TARO TAKEDA
▶ Correct Answer as Differential Diagnosis : 11/84,  13.1%
  • - The University of Tokyo Hospital , Japan ISSEI FUKUDA
  • - Kyoto University Hospital , Japan YUSUKE UTSUNOMIYA
  • - University of Yamanashi , Japan TAKAAKI HASHIMOTO
  • - The University of Tokyo Hospital , Japan TOSHIHIRO FURUTA
  • - Nara Medical University , Japan AYA YAMADA
  • - Other , Korea (South) CHAEHUN LIM
  • - Osaka metropolitan university Hospital , Japan TATSUSHI OURA
  • - , Japan TOMOHIRO KAWAJI
  • - Yonsei University,Severance Hospital , Korea (South) SEO BUM CHO
  • - Ichinomiya Nishi Hospital , Japan Takao Kiguchi
  • - Ehime University , Japan TOMOHISA OKADA
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Current Editor : Eui Jin Hwang, M.D., Ph.D Email : weeklychestcases@gmail.com

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