Fig. 1From: Lessons learned during implementation of MR-guided High-Intensity Focused Ultrasound treatment of uterine fibroidsFunaki classification. a Funaki I fibroid (signal intensity lower than myometrium and muscle); b Funaki II fibroid (signal intensity lower than myometrium, but higher than muscle); c Funaki III fibroid (signal intensity higher than muscle and myometrium). Asterisks (*) are located in the uterine fibroid. Arrows point at abdominal muscle. Cross (X) is located in myometrium tissueBack to article page