Presentation
Work-up for chronic lower back and pelvic pain. There is a known previous tubal ligation.
Patient Data
Age: 50 years
Gender: Female
From the case:
Tubal ligation (Falope ring)
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There are bilateral, non-metallic, radiopaque, tubal ligation rings.
There is a right hemi pelvic phlebolith.
The X-rays are otherwise normal.
Case Discussion
An example of the Falope ring tubal ligation 1.2.3. The adjacent pelvic phlebolith mimics the radio-opaque ring and one could easily report a "dropped" ring in error.
The Falope ring and applicator were invented by Dr In Bae Yoon ( Johns Hopkins University School of Medicine, professor in the Department of Gynecology and Obstetrics), hence the tubal ring is also called a Yoon ring. The ring is also known as a Lay loop (reference unknown!).
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