多発肺転移を認めた Type A 胸腺腫の 1 例

坂田 省三; 林 宗平; 佐藤 大輔; 日暮 亮太; 石本 真一郎; 河内 利賢; 四万村 三惠; 羽尾 裕之; 櫻井 裕幸

doi:10.4264/numa.78.6_359

Case Reports:

A Case of Type A Thymoma with Multiple Lung Metastasis

Shozo Sakata, Sohei Hayashi, Daisuke Sato, Ryota Higure, Shinichirou Ishimoto, Riken Kawachi, Mie Shimamura, Hiroyuki Hao, Hiroyuki Sakurai

Author information

Shozo Sakata [Japan]
Department of Respiratory Surgery, Nihon University School of Medicine [Japan]
Sohei Hayashi [Japan]
Department of Respiratory Surgery, Nihon University School of Medicine [Japan]
Daisuke Sato [Japan]
Department of Respiratory Surgery, Nihon University School of Medicine [Japan]
Ryota Higure [Japan]
Department of Respiratory Surgery, Nihon University School of Medicine [Japan]
Shinichirou Ishimoto [Japan]
Department of Respiratory Surgery, Nihon University School of Medicine [Japan]
Riken Kawachi [Japan]
Department of Respiratory Surgery, Nihon University School of Medicine [Japan]
Mie Shimamura [Japan]
Department of Respiratory Surgery, Nihon University School of Medicine [Japan]
Hiroyuki Hao [Japan]
Department of Human Pathology, Nihon University School of Medicine [Japan]
Hiroyuki Sakurai [Japan]
Department of Respiratory Surgery, Nihon University School of Medicine [Japan]

Keywords: Type A thymoma, multiple lung metastasis

JOURNAL FREE ACCESS

2019 Volume 78 Issue 6 Pages 359-361

DOI https://doi.org/10.4264/numa.78.6_359

Details

Abstract

A 68-year-old woman suffered from laryngeal cancer and exhibited abnormal shadows on chest computed tomography (CT) scan prior to chemoradiation treatment. The chest CT scan showed a mass in the anterior mediastinum and two lung nodules in the left lower lobe. The patient underwent surgical resection of both of these lesions concurrently. The histological diagnosis of mass lesions in the mediastinum and lung was Type A thymoma with intrapulmonary metastases. The Classification of Malignant Tumours (TNM) stage of the tumor was T1aN0M1b stage IVb. There has been no evidence of recurrence after a year of follow-up. It is rare for Type A thymoma to cause distant metastasis.

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