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Updated: Jul 10, 2026

Surgical Treatment of an Endolymphatic Sac Tumor
Published on: May 26, 2023
Isolated orbital endodermal sinus tumor
Aliakbar Saber Mogaddam1, Bahram Memar, Amir Aledavood
1Department of Ophthalmology (Khatam-Al-Anbia Eye Hospital), Mashhad University of Medical Sciences, Iran. saberaa@mums.ac.ir
Purpose:
To describe the clinical, serologic, histopathologic, and immunohistochemical findings of an isolated endodermal sinus tumor of the orbit in a 1-year-old boy.
Methods:
A retrospective case report and literature review.
Results:
The patient was managed by the ophthalmology and oncology services. After the diagnosis was established by serologic analysis and histopathology, the patient underwent chemotherapy.
Conclusions:
Endodermal sinus tumor is a malignant germ-cell tumor that usually involves the gonadal tissue. Primary extragonadal sites occur rarely, and include the orbit. Treatment options include surgical removal and chemotherapy.
