Sacral hydatid cyst: illustrative case

HC disease should be considered in the differential diagnosis of low back pain and constipation, especially in endemic regions. Because of its invasive nature and high recurrence rate, early diagnosis, antiparasitic therapy, and surgical intervention are essential. Proper follow-up is necessary to prevent complications, particularly in atypical presentations. https://thejns.org/doi/10.3171/CASE25109.