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Rare Case of Misdiagnosed Primary Intramuscular Hydatid Cyst of the Deltoid Muscle

NCT07176598 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 1

Last updated 2025-09-16

No results posted yet for this study

Summary

This case report describes a rare parasitic cyst called a hydatid cyst located in the shoulder muscle (deltoid) of a 29-year-old male. The patient initially presented with a painless, gradually enlarging swelling over the left shoulder. It was misdiagnosed as a synovial cyst and treated with corticosteroids, which caused local inflammation and purulent discharge. Blood tests for Echinococcus antibodies were negative. Ultrasound and MRI revealed a well-defined intramuscular cyst confined to the deltoid muscle. Surgical excision confirmed the diagnosis, and the patient received postoperative albendazole therapy for three months. Follow-up showed complete healing, restoration of shoulder function, and no recurrence. This case highlights the importance of considering hydatid disease in unusual muscle locations, particularly in endemic areas, to avoid misdiagnosis and ensure proper treatment.

Conditions

  • Primary Intramuscular Hydatid Cyst Hydatid Disease (Echinococcosis)

Sponsors & Collaborators

  • Al-Shahba Specialized Hospital

    lead OTHER

Eligibility

Min Age
18 Years
Max Age
120 Years
Sex
MALE
Healthy Volunteers
No

Timeline & Regulatory

Start
2024-06-01
Primary Completion
2025-08-22
Completion
2025-08-25

Countries

  • Syria

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT07176598 on ClinicalTrials.gov