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- Title
A case of atypical type A thymoma variant.
- Authors
Hashimoto, Masaki; Shimizu, Shigeki; Takuwa, Teruhisa; Tsukamoto, Yoshitane; Tsujimura, Tohru; Hasegawa, Seiki
- Abstract
Background: An atypical type A thymoma variant was newly added to the WHO classification of type A thymoma family in 2015. Case presentation: A 72-year-old female was present a large round mass in the anterior mediastinum. The radiological examination led to a preoperative diagnosis of non-invasive thymoma. Tumor resection was undertaken via median sternotomy. Complete removal of the mediastinal tumor was achieved. Pathological examination revealed that the tumor cells were spindle- and oval-shaped with atypia. Immunohistochemical work-up revealed that the tumor was type A thymoma. On the basis of these findings, the tumor was finally diagnosed to be an atypical type A thymoma variant. Conclusions: Preoperative diagnosis as atypical type A thymoma variant based on radiological examination is difficult. In case of atypical type A thymoma variant, a careful postoperative systemic follow-up should be done.
- Subjects
THYMOMA; WORLD Health Organization; MEDIASTINUM; DISEASES in older women; MEDICAL radiology; DIAGNOSIS
- Publication
Surgical Case Reports, 2016, Vol 2, Issue 1, p1
- ISSN
2198-7793
- Publication type
Article
- DOI
10.1186/s40792-016-0245-3