RESUMEN
BACKGROUND: Hair-thread tourniquet syndrome is a rare disorder that occurs when a hair or other fiber becomes wrapped around an appendage, resulting in swelling, pain, or even loss of the appendage. Some cases affecting the female genitals have been reported. CASE: The case of a 10-year-old girl with a 3-day history of genital pain is presented. During examination, a hair tourniquet was found at the base of a swollen and painful clitoris. The hair was removed under deep sedation, producing immediate relief. SUMMARY AND CONCLUSION: The most important concern in genital hair-thread tourniquet syndrome is a high index of suspicion and prompt resolution in order to save the affected tissue. It should be considered on the differential diagnosis for all girls with vulvar swelling and indication of pain.