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 ...

Given the high clinical suspicion of urachal adenocarcinoma and in accordance with the aforementioned consensus guidelines, the recommended treatment was surgical resection, including en bloc removal ...

Urachal cysts are found in 1:5000 autopsies and occur more frequently in boys. The prevalence of patent urachus is estimated to be 1 to 2 cases per 100,000 births. Urachal disorders are usually ...

The urachus, a primitive structure connecting the umbilical cord to the bladder in utero, normally disappears before birth. However, in some infants, a part of it remains and forms a urachal cyst.

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 usually ...

While a baby is growing during the first trimester of pregnancy, the organs that are needed for the baby to urinate aren’t fully formed yet. Instead, a tube-like structure called the urachus allows ...

Bladder urachal cysts in children are a rare form of urachal abnormality. In this paper, we present a case of atypical imaging that presented with lower abdominal pain accompanied by hematuria, ...

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Urachal cysts, which are less common, might also cause bloody discharge from the belly button. The urachus is a tube-like structure that connects the umbilical cord to the bladder. The urachus ...

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 ...

urachal cyst, and umbilical-urachal sinus. Urachal anomalies (UAs) were historically thought to be a rare occurrence, but modern increased utilization of imaging studies has revealed that UAs are more ...

There is no drainage from the umbilicus. In-office cystoscopy suggests a mass effect to the dome of the bladder and friable mucosa. Representative CT imaging as shown in Figure. Although the criteria ...