本文全面解析脐部胚胎残迹相关疾病，涵盖脐尿管异常（如patent urachus、urachal cyst）、卵黄管畸形（如Meckel’s diverticulum ... 脐动静脉系统病变涉及动脉瘤形成或静脉血栓，常导致局部缺血性改变。Obliterated umbilical arteries残迹可能诱发腹壁疝（hernia），而脐静脉 ...

A urachal cyst is a sac of tissue and fluid between the bladder and the belly button (umbilicus). The cyst forms in the remnants of the urachus, a structure normally present in a fetus that ...

Incomplete sealing of the urachus — a line of connectivity between a fetus and the umbilical cord — can cause a urachal cyst to develop. It can lead to abdominal pain and other symptoms and ...

Occasionally a urachal cyst or diverticulum may be found. We present the case of a herniated bladder (urachal remnant) into the umbilicus presenting as an intermittent protuberance at the base of ...

Congenital urachal abnormalities such as patent urachus, umbilical urachal sinus, and urachal cyst could cause urinary symptoms and abdominal pain if infected. Abscesses can also develop in the ...

urachal cyst, and urachal diverticulum (Figure 3). The urachus is a fetal remnant of the allantois that connects the bladder and the abdominal wall at the level of the umbilicus. In normal ...

An 18-year-old man presented to the emergency department with periumbilical pain. The patient looked well and had a slight fever (37.2°C). He had visited another hospital 2 years before with umbilical ...

The answer turned out to be an infected urachal cyst (C). The urachus is a structure ... It normally becomes a fibrous band from the bladder to the umbilicus. However, it may retain its tubular ...