MUSCULAR HYDATIDOSIS: REPORT OF A RARE CASE IN THE QUADRICEPS IN ALGERIA | ||||
| Journal of the Egyptian Society of Parasitology | ||||
| Article 5, Volume 55, Issue 2, August 2025, Page 175-180 PDF (367.86 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jesp.2025.447389 | ||||
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| Author | ||||
abdelkader bentouati 
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| Department of Medical Oncology, 1st November 1954, University Hospital of Oran University of Oran 1, Ahmed Ben Bella, Faculty of Medicine, Oran, Algeria. | ||||
| Abstract | ||||
| Hydatid cyst (HC), caused by Echinococcus granulosus, is a significant public health issue in livestock farming areas. While common in the liver and lungs, primary skeletal muscle in volvement is rare (1-5%). This report details an exceptional case of primary muscular HC in the quadriceps. We present the case of a 14-year-old girl from a rural area with a several-week history of pain and swelling in her left thigh. Clinical examination revealed a firm, tender mass. Ultrasound showed a 60 x 38 mm intramuscular anechoic cystic lesion in the quadriceps (Gharbi Type I), suggestive of HC. Staging workup revealed no other hydatid localizations. Total pericystecto my was performed without rupture, complemented by perioperative Albendazole (10-15 mg/kg/day for 1 month pre- and 3 months post-surgery). Histopathological examination con firmed a muscular hydatid cyst, showing a thick, and laminated, acellular membrane character istic of the hydatid cuticle. The patient's 18-month postoperative follow-up was favorable, with no recurrence. Primary muscular HC of the quadriceps is an exceedingly rare diagnosis that should be consid ered for unexplained soft tissue masses, especially in patients from endemic regions. Imaging, particularly ultrasound and MRI, is crucial for suspicion, with histopathology providing defini tive confirmation. Complete surgical resection (pericystectomy) combined with perioperative Albendazole is the standard treatment for favorable outcomes. Prevention key remains in con trolling hydatidosis, treatment of dogs mainly pets. | ||||
| Keywords | ||||
| Algeria; Echinococcosis; Hydatidosis; Cestod parasite; Soft tissue mass; Treatment | ||||
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