Archive of Old Cases
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- Archive of Old Cases
- 2022
Case No : 1263 Date 2022-01-03
- Courtesy of Kyung Hee Lee / Bundang Seoul National University Hospital
- Age/Sex 63 / M
- Chief ComplaintIncidental CT abnormality on brain CT underlying HTN, DM
Discussion
Diagnosis With Brief Discussion
- Diagnosis
- Ectopic thymoma
- Radiologic Findings
- Fig 1-2. There is a well-defined, enhancing well-defined mass in the left lower neck.
Fig 3-6. 3 years later, the neck mass shows interval growth. The mass shows contrast enhancement and internal septa-like low attenuating linear structures. On coronal images, the fat plane between the left thyroid gland and the mass is preserved. - Brief Review
- The patient underwent an operation and the pathology confirmed the mass as thymoma, type A.
Thymus develops from the ventral portion of the 3rd and 4th pharyngeal pouches and descends into the anterior mediastinum by the sixth weeks of gestation.
Thymic ectopia results from the failure of this migration.
Cervical thymoma occurs more commonly in females than in males. Most cases occur near the thyroid gland and are misdiagnosed as thyroid mass. Differential diagnoses include thyroid mass, lymphoma, and metastasis. - References
- 1. JCAT 1991; 15:842-844
2. AJR 2004; 182:262-263 - Keywords
- Cervical Thymoma, ectopic thymoma,
No. of Applicants : 95
- ▶ Correct Answer : 20/95, 21.1%
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- - Saitama-Sekishinkai Hosptal , Japan MIHOKO YAMAZAKI
- - , Japan HIROAKI ARAKAWA
- - Niigata University , Japan ATSUSHI UEHARA
- - Osaka Red Cross Hospital , Japan YUSUKE UTSUNOMIYA
- - Tiger Gate Hospital , Japan SHIN-ICHI CHO
- - , Japan CHIAKI SATO
- - Other , Korea (South) SEONGSU KANG
- - Kaneda hospital , Japan HIROFUMI MIFUNE
- - , Korea (South) HYEWON CHOI
- - Gifu University Hospital , Japan Yo Kaneko
- - , Korea (South) CHAEHUN LIM
- - Diskapi Yildirim Beyazit Hospital, Ankara , Turkey MERIC TUZUN
- - Eskisehir Sehir Hastanesi , Turkey MURAT SAHIN
- - Kyoto University Hospital , Japan SATOSHI IKEDA
- - , Japan SOTA MASUOKA
- - Toranomon Hospital , Japan KAORU SUMIDA
- - Ichinomiya Nishi Hospital , Japan Takao Kiguchi
- - , Japan KANA TANAKA
- - Private sector , Greece VASILIOS TZILAS
- - , Japan YUMI MAEHARA
- ▶ Correct Answer as Differential Diagnosis : 17/95, 17.9%
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- - Kinki University Faculty of Medicine, , Japan MITSURU MATSUKI
- - IRSA LA ROCHELLE , France JEAN LUC BIGOT
- - National Center of Neurology and Psychiatry , Japan MOTO NAKAYA
- - Chonbuk National University Hospital , Korea (South) JUNGHWAN KIM
- - Korea University Ansan Hospital , Korea (South) HYO YOUNG KIM
- - , Korea (South) SUNHYANG LEE
- - , Korea (South) PARK JONGMIN
- - Kyoto University Hospital , Japan YASUHISA KURATA
- - The University of Tokyo Hospital , Japan RYO KUROKAWA
- - , Korea (South) YEONG UK HWANG
- - Chungbuk National University Hospital , Korea (South) MIHYEON PARK
- - Other , Korea (South) MINSU KIM
- - University of Tsukuba, Dept of Radiology , Japan MANABU MINAMI
- - Other , Korea (South) KYU-CHONG LEE
- - The University of Tokyo Hospital , Japan HIROSHI TAKUMIDA
- - the first affiliatited hospital of nanjing medical univercity , China HAI XU
- - Hanyang University Hospital , Korea (South) SEUNG JIN YOO
- ▶ Semi-Correct Answer : 4/95, 4.2%
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- - Osaka University , Japan AKINORI HATA
- - The University of Tokyo Hospital , Japan TOSHIHIRO FURUTA
- - Osaka City General Hospital , Japan SHU MATSUSHITA
- - Columbia asia hospital Hebbal ,Bengaluru , India PRAVIN KUMAR M
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