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Middle Mediastinal Thymoma.

Takamasa Fukui1, Ryota Sumitomo1, Yosuke Otake1

  • 1Department of Thoracic Surgery, Kitano Hospital, The Tazuke Kofukai Medical Institute, Osaka, Japan.

The Annals of Thoracic Surgery
|May 8, 2018
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Summary
This summary is machine-generated.

Thymoma, a common anterior mediastinum tumor, can rarely occur in the middle mediastinum. Surgical resection involving azygos vein dissection enabled safe tumor removal in three patients.

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Area of Science:

  • Thoracic surgery
  • Surgical oncology
  • Mediastinal neoplasms

Background:

  • Thymoma is a frequent tumor of the anterior mediastinum.
  • Middle mediastinal tumors are less commonly thymomas.
  • Differential diagnosis for middle mediastinal masses is broad.

Purpose of the Study:

  • To report rare cases of thymoma originating in the middle mediastinum.
  • To highlight the surgical approach for middle mediastinal thymoma.
  • To emphasize thymoma in the differential diagnosis of middle mediastinal lesions.

Main Methods:

  • Case series of three patients with middle mediastinal thymoma.
  • Surgical resection of thymoma.
  • Dissection of the azygos vein during tumor removal.

Main Results:

  • Successfully resected three middle mediastinal thymomas.
  • Azygos vein dissection facilitated safe tumor separation.
  • No intraoperative or postoperative complications reported.

Conclusions:

  • Thymoma is an uncommon but possible cause of middle mediastinal tumors.
  • Surgical management with careful dissection is feasible and safe.
  • Consider thymoma in the differential diagnosis for middle mediastinal masses.