Thymic Hyperplasia Presenting as Anterior Mediastinal Mass in 2 Patients With Graves Disease Adriane I. Budavari, MD, Michael D. Whitaker, MD, FRCPC, Richard A. Helmers, MD Mayo Clinic Proceedings Volume 77, Issue 5, Pages 495-499 (May 2002) DOI: 10.4065/77.5.495 Copyright © 2002 Mayo Foundation for Medical Education and Research Terms and Conditions
Figure 1 Posteroanterior chest radiograph showing the anterior mediastinal mass in case 1. Mayo Clinic Proceedings 2002 77, 495-499DOI: (10.4065/77.5.495) Copyright © 2002 Mayo Foundation for Medical Education and Research Terms and Conditions
Figure 2 Contrast computed tomography, axial cut, showing a large anterior mediastinal mass suggestive of thymic hyperplasia in case 1. Size of the mass at presentation (left) was 7 × 3 cm, and its size was markedly reduced 3 months later (right) after treatment with radioactive iodine I 131. Mayo Clinic Proceedings 2002 77, 495-499DOI: (10.4065/77.5.495) Copyright © 2002 Mayo Foundation for Medical Education and Research Terms and Conditions
Figure 3 Noncontrast computed tomography, axial cut, showing an anterior mediastinal mass suggestive of thymic hyperplasia in case 2. Mass at presentation (left) and markedly reduced 6 months after the initiation of propylthiouracil (right). Mayo Clinic Proceedings 2002 77, 495-499DOI: (10.4065/77.5.495) Copyright © 2002 Mayo Foundation for Medical Education and Research Terms and Conditions