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）及脐动静脉并发症，强调影像学（ultrasound、CT、MRI）在诊断中的核心作用，并探讨腹腔镜术后医源性损伤机制，为临床精准诊疗提供理论依据。

Urachal remnants are an anomaly caused by failure of involution of the urachus during fetal development, resulting in a tubular connection between the urinary bladder and the umbilicus. 6 These ...

Persistent Urachus Is A Condition That Can Be Harmful To The Baby. The persistent urachus is a remnant of a canal – a thick tube or cord that contains blood vessels calledallantois– between the ...

Diverticulum: The rarest type of urachal defect, in which the urachus does not seal off closer to the bladder. Diverticula commonly result in urinary tract infections. Any type of urachal defect can ...

Learn what Meckel’s diverticulum is, along with its causes, symptoms, and treatment. Discover how to manage the condition effectively.

Urachal sinus: This type of urachal remnant is when the urachus is closed at the bladder side but is open at the umbilical side. It’s estimated that about 18% of urachal abnormalities are of this type ...

It is usually occluded before birth and during infancy into a non-functional fibrous cord known as the median umbilical ligament. Incomplete urachus degeneration can lead to cysts, diverticulum, ...

Esophageal diverticulum is a fairly rare condition. Treatment is usually only needed if you have other underlying conditions or it becomes severe. Here’s what you need to know. A diverticulum is ...

A vesicourachal diverticulum, an outpouching from the bladder to the umbilicus, is often asymptomatic but may present complications such as malignancies or infections. On 18 F-FDG PET/CT, it appears ...

20. Machida H, Ueno E, Nakazawa H, Fujimura M, Kihara T. Computed tomographic appearance of urachal carcinoma associated with urachal diverticulum misdiagnosed by cystoscopy. Abdom Imaging (2008) 33(3 ...

Incomplete resolution of the urachus, a connection between a fetus and the umbilical cord, can result in the development of a urachal cyst. Read more here. Medical News Today ...