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Updated: Jul 15, 2026

Microscopic Cyst Resection for the Treatment of Patients Diagnosed with Epididymal Cyst

Microscopic Cyst Resection for the Treatment of Patients Diagnosed with Epididymal Cyst

Published on: March 31, 2023

[Mediastinal hydatid cyst. Case report and review].

Carlos Alvarez Z¹, Pedro Riveros S, Rubén Miranda T

¹Equipo de Cirugía Torácica, Servicio de Cirugía, Complejo Asistencial Barros Luco, Santiago, Chile. cmaz@vtr.net

Revista Chilena De Infectologia : Organo Oficial De La Sociedad Chilena De Infectologia

|April 25, 2007

Summary

Hydatid disease, caused by Echinococcus parasites, rarely presents as a primary mediastinal cyst. This report details the first such case in Chile, highlighting a rare clinical presentation.

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Last Updated: Jul 15, 2026

Microscopic Cyst Resection for the Treatment of Patients Diagnosed with Epididymal Cyst

Microscopic Cyst Resection for the Treatment of Patients Diagnosed with Epididymal Cyst

Published on: March 31, 2023

Area of Science:

Parasitology
Medical Case Reports
Thoracic Surgery

Background:

Hydatid disease is a parasitic infection caused by Echinococcus tapeworms.
Cysts typically manifest in the liver and lungs in over 90% of human cases.
Primary mediastinal hydatid cysts without lung involvement are exceptionally rare.

Observation:

A 38-year-old woman presented with a supraclavicular mass, exertional dyspnea, and dysphagia.
Imaging revealed a mediastinal tumor extending into the cervical region.
The mass was surgically excised.

Findings:

The resected mass was confirmed as a primary mediastinal hydatid cyst via macroscopic and histopathological examination.
This represents the first documented case of primary mediastinal hydatidosis in Chile.
Literature review confirms the extreme rarity of this presentation.

Implications:

This case expands the known clinical spectrum of Echinococcus infections.
Highlights the importance of considering parasitic etiologies in mediastinal masses, even in atypical locations.
Underscores the need for increased awareness and diagnostic preparedness for hydatid disease in endemic regions.