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Updated: Feb 8, 2026

Basic Caenorhabditis elegans Methods: Synchronization and Observation

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Published on: June 10, 2012

Synchronous urinothorax and uroperitoneum.

Natalia Vallianou¹, Victoria Gennimata¹, Fotis Constantinou¹

¹Department of Internal Medicine, Evangelismos General Hospital, Athens, Greece.

The American Journal of Emergency Medicine

|June 20, 2018

Summary

Urinothorax, the presence of urine in the pleural space, can occur late after radiotherapy. This case highlights clinical diagnosis despite negative scintigraphy for this rare condition.

Keywords:

Cystoscopy Fistula Radiotherapy Urinothorax Uroperitoneum

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Area of Science:

Nephrology
Pulmonology
Radiotherapy

Background:

Urinothorax is defined as urine accumulation in the pleural cavity, typically resulting from retroperitoneal urine leakage.
First described in 1968, urinothorax is a rare clinical entity.
Radiotherapy is an uncommon cause of urinothorax.

Observation:

A female patient presented with dyspnea attributed to urinothorax.
The patient had a history of radiotherapy.
This represents a late-onset case of urinothorax post-radiotherapy.

Findings:

Diagnosis was based on strong clinical suspicion.
Diagnostic imaging, specifically scintigraphy, yielded negative results.
Despite negative scintigraphy, clinical evidence supported the urinothorax diagnosis.

Implications:

This case underscores the importance of clinical evaluation in diagnosing urinothorax, even with inconclusive imaging.
It highlights a rare, late complication of radiotherapy.
Further investigation into the mechanisms of radiotherapy-induced urinothorax may be warranted.