Thymoma epidemiology and demographics

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Amr Marawan, M.D. [2] Ahmad Al Maradni, M.D. [3]

Overview

The incidence of thymoma is approximately 0.13 per 100,000 individuals. Thymic neoplasms are the most common tumors located in the anterior mediastinum (20%). Incidence increases in the fourth and fifth decade of life, and peaks in the seventh decade. Men and women are equally affected. The disease predominantly affects Asians and Pacific Islanders in the U.S.

Epidemiology and Demographics

Incidence

• The incidence of thymoma is 0.13 per 100,000 individuals.

Age

• Thymoma is very uncommon in children and young adults.
• Incidence rises in the fourth and fifth decade of life and peaks in the seventh decade.

Race

• For unknown reasons, it predominates among Asians and Pacific Islanders in the U.S.

Gender

• Men and women are equally affected.