UpToDate Contents

全文を閲覧するには購読必要です。 To read the full text you will need to subscribe.

1. 胸腺腫および胸腺癌の臨床症状およびマネージメントclinical presentation and management of thymoma and thymic carcinoma [show details]
…associated thymoma (Good syndrome), typically of spindle cell histology . Patients usually have recurrent infections, diarrhea, and lymphadenopathy. As an example, in a review of 51 cases of thymoma-associated …
2. 胸腺神経内分泌（カルチノイド）腫瘍thymic neuroendocrine carcinoid tumors [show details]
…their unusual morphology may present diagnostic problems. The spindle cell pattern of thymic NET can be mistaken for spindle cell thymoma . The distinction can be readily established utilizing neuroendocrine …
3. 縦隔腫瘤が発生した成人患者へのアプローチapproach to the adult patient with a mediastinal mass [show details]
… years (eg, thymoma in some patients) or rapid expansion (eg, lymphoma). Mediastinal masses can also be associated with abnormalities in other parts of the body (eg, testicular masses with germ cell tumors); …
4. リンパ球増加症またはリンパ球減少症を有する成人に対するアプローチapproach to the adult with lymphocytosis or lymphocytopenia [show details]
… years . Thymoma is a thymic malignancy that typically affects middle-aged adults and may be associated with paraneoplastic autoimmune syndromes (eg, myasthenia gravis, pure red cell aplasia). Thymoma is occasionally …
5. 濾胞樹状細胞肉腫follicular dendritic cell sarcoma [show details]
… neoplasms, melanomas, thymomas, and other tumors. Soft tissue sarcomas – Low-grade sarcomas, including gastrointestinal stromal tumors (GIST) and other soft tissue tumors (eg, spindle cell sarcomas, liposarcomas …

Related Pictures

胸腺腫スケッチ.jpg 型胸腺腫 b sft c 神経鞘腫 d 拡大 who type a a 型胸腺腫では標本（紡錘形細胞パターン AB型胸腺腫 Type AB thymoma 胸腺腫 Micronodular thymoma with

★リンクテーブル★

関連記事	「胸腺腫」「胸腺」「紡錘形」「紡錘」「腫」

「胸腺腫」

　　[★]

英: thymoma, thymomas
関: 胸腺、縦隔腫瘍

概念

上縦隔の前部、前縦隔の前部に発生
胸腺固有の上皮細胞が腫瘍化したもの。precursor T cell(thymocytes)も存在することがあるが、悪性ではない。

分類

begign or encapsulated thymoma

malignant thymoma
type I: cytologically benign but biologically aggressive and capable of local invasion and, rarely, distant spread
type II: also called thymic carcinoma: cytologically malignant with all of the features of cancer and comparable behavior

HIM. e89

型	組織型	割合,%	予後(10-year disease-free survival), %
A	medullary thymoma	8	100
AB	mixed thymoma	17	100
B1	predominantly cortical thymoma	27	83
B2	cortical thymoma	8	83
B3	well-differentiated thymic carcinoma	12	36
C	thymic carcinoma	28	28