The evaluation of immunohistochemical markers and thymic cortical microenvironmental cells in distinguishing thymic carcinoma from type b3 thymoma or lung squamous cell carcinoma.

Atsushi Hayashi, Takumi Fumon, Yukari Miki, Hiaki Sato, Tadashi Yoshino, Kiyoshi Takahashi

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Thymic carcinoma (TC) is often very difficult to distinguish from type B3 thymoma and lung squamous cell carcinoma (L-SCC) involving the anterior mediastinum. The present study evaluated the usefulness of immunohistochemical markers including c-Kit, CD5, glucose transporter-1 (GLUT-1), claudin-1 (CLDN-1), thymoproteasome β5t, p53 and Ki-67 (MIB-1) and thymic cortical environmental marker cells, cortical thymocytes (c-Thy) and thymic cortical dendritic macrophages (TCDMs) in distinguishing thymic carcinoma (TC) from type B3 thymoma or lung squamous cell carcinoma (L-SCC) using 17 cases of type B3 thymoma, 18 cases of TC and 12 cases of L-SCC. The results indicated that c-Kit and CD5 are very useful markers for TC, while GLUT-1, CLDN-1, p53 and Ki-67 are not. Thymic cortical microenvironmental marker cells, especially TCDMs, and thymic cortical epithelial cell-marker β5t are also useful for distinguishing TC from type B3 thymoma. Although none of these markers are adequate for making a distinction when used alone, the plural use of c-Kit, CD5, β5t thymic cortical environmental marker cells, c-Thys and TCDMs may therefore lead to a correct distinction between TC and type B3 thymoma or L-SCC. [J Clin Exp Hematop 53(1) : 9-19, 2013].

Original languageEnglish
Pages (from-to)9-19
Number of pages11
JournalJournal of clinical and experimental hematopathology : JCEH
Volume53
Issue number1
Publication statusPublished - 2013
Externally publishedYes

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Thymoma
Squamous Cell Carcinoma
Lung
Claudin-1
Facilitative Glucose Transport Proteins
Macrophages
Mediastinum
Thymocytes
Epithelial Cells

ASJC Scopus subject areas

  • Medicine(all)

Cite this

The evaluation of immunohistochemical markers and thymic cortical microenvironmental cells in distinguishing thymic carcinoma from type b3 thymoma or lung squamous cell carcinoma. / Hayashi, Atsushi; Fumon, Takumi; Miki, Yukari; Sato, Hiaki; Yoshino, Tadashi; Takahashi, Kiyoshi.

In: Journal of clinical and experimental hematopathology : JCEH, Vol. 53, No. 1, 2013, p. 9-19.

Research output: Contribution to journalArticle

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AU - Yoshino, Tadashi

AU - Takahashi, Kiyoshi

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