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Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Thymoma epidemiology and demographics

Introduction

Overview

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

Epidemiology and Demographics

Incidence

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.[3]

Gender

  • Men and women are equally affected.[4]
References

References

  1. ↑ Ji Yoon Kim, Young Seok Lee, Dong Ho Kang, Min Hye Kim, Jeong Hee Lee, Chul Hee Lee & In Sung Park (2017). “Epidural Metastasis in Malignant Thymoma Mimicking Epidural Abscess: Case Report and Literature Review”. Korean Journal of Spine. 14 (4): 162–165. doi:10.14245/kjs.2017.14.4.162. PMID 29301178. Unknown parameter |month= ignored (help)
  2. ↑ Bujung Hong, Makoto Nakamura, Christian Hartmann, Almuth Brandis, Arnold Ganser & Joachim K. Krauss (2013). “Delayed distant spinal metastasis in thymomas”. Spine. 38 (26): E1709–E1713. doi:10.1097/BRS.0000000000000029. PMID 24335640. Unknown parameter |month= ignored (help)
  3. ↑ “Epidemiology of thymoma and associated malignancies”.
  4. ↑ Thomas CR, Wright CD, Loehrer PJ (1999). “Thymoma: state of the art”. Journal of Clinical Oncology : Official Journal of the American Society of Clinical Oncology. 17 (7): 2280–9. PMID 10561285. Text “accessdate” ignored (help); Unknown parameter |month= ignored (help)

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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]