Imagine feeling a persistent issue in your bladder and finding out the cause is something you were born with. A 54-year-old man had a dense, calcified stone measuring about 1.2 by 0.9 centimeters located where his bladder meets his abdominal wall. While it looked like a standard stone, its specific location was unusual.
Doctors used laser technology and surgery to remove the mass along with the remaining tissue. They later discovered that the stone had formed on an inflamed urachal remnant. A urachus is a tube that normally disappears during fetal development; when it stays behind, it can become inflamed or develop stones over time.
Because this was a single case, we cannot know how common this is across larger groups of people. However, the findings remind doctors to look closely at any calcification near the top of the bladder. Even if it looks like it is inside the bladder, it might actually be an old piece of tissue that needs specific surgical attention.