Omphalomesenteric duct remnants: umbilical versus umbilical cord lesions
Related Experiment Videos
1Division of Pediatric and Adolescent Dermatology, Rady Children's Hospital, San Diego, California 92123, USA.
Insights
Omphalomesenteric duct remnants, such as umbilical polyps or cysts, can occur if the embryonic connection fails to close. Management varies, with some requiring surgery and others resolving spontaneously.
Area of Science:
- Embryology
- Pediatric Surgery
- Gastroenterology
Background:
- The omphalomesenteric duct connects the embryonic digestive tract and yolk sac.
- This duct typically obliterates before birth.
- Failure to involute results in omphalomesenteric duct remnants.
Observation:
- Presents two pediatric cases of omphalomesenteric duct remnants.
- Case 1: Umbilical polyp treated with surgical excision.
- Case 2: Umbilical cord cyst that resolved spontaneously.
Findings:
- Omphalomesenteric duct remnants manifest in various forms.
- Management strategies depend on the specific remnant type.
- Differential diagnoses include urachal remnants and umbilical pyogenic granulomas.
Implications:
- Highlights the importance of recognizing and managing pediatric umbilical lesions.
- Informs practitioners on differential diagnosis and treatment considerations.
- Emphasizes conservative management for certain umbilical cord cysts.
Abstract:
The omphalomesenteric duct is an embryologic connection between the digestive tract and yolk sac, which typically involutes by the time of birth. Failure of the obliteration process can result in omphalomesenteric duct remnants. We present two cases of children with such remnants, one with an umbilical polyp requiring traditional excisional therapy and one more unusual case of an umbilical cord cyst resolving spontaneously without intervention. The differential diagnosis, which includes urachal remnants and umbilical pyogenic granulomas, is discussed, along with management and special considerations that practioners should be aware of when treating pediatric umbilical and umbilical cord lesions.
Related Concept Videos
01:20Embryonic Connective Tissues
The mesenchyme is the first connective tissue that emerges in the developing embryo. It consists of loosely arranged multipotent mesenchymal cells and reticular fibers in the extracellular matrix. This loose arrangement allows easy migration of cells, which is essential for germ layer positioning, patterning, and organ morphogenesis during embryonic development. Mesenchyme is...
01:15Development of the Lymphatic System
The first lymph sacs to form are the paired jugular lymph sacs located at the junction of the internal jugular and subclavian veins. From these sacs, lymphatic capillary plexuses extend to the thorax, upper limbs, neck, and head, eventually forming lymphatic vessels. Each jugular lymph sac maintains a...
01:19Appendicitis