Primary umbilical adenocarcinoma
K A Y Alnaqbi1, S Joshi, S Ghazal-Aswad
1Department of Surgery, Al-Ain Hospital, PO Box 1006, Al-Ain, United Arab Emirates.
Singapore Medical Journal
|November 29, 2007
Summary
Primary umbilical tumors are rare. This case details a serous papillary adenocarcinoma found in an umbilical hernia sac, with no other primary tumor site identified, highlighting a unique presentation of rare abdominal cancers.
Area of Science:
- Oncology
- Gastroenterology
- Pathology
Background:
- Primary umbilical tumors are exceptionally rare, posing diagnostic challenges.
- Adenocarcinomas typically originate from internal organs, making umbilical presentation unusual.
Observation:
- A 60-year-old woman presented with a painful, six-month-old umbilical swelling, initially diagnosed as an obstructive umbilical hernia.
- Surgical exploration revealed a hard nodule within the omental tissue of the hernial sac.
Findings:
- Histological examination of the omental nodule confirmed serous papillary adenocarcinoma.
- Extensive investigations including imaging and laparoscopy failed to identify a primary tumor source elsewhere in the abdomen or pelvis.
Implications:
- This case highlights a rare instance of primary umbilical adenocarcinoma originating from the coelomic mesothelium of a hernial sac.
- It underscores the importance of thorough histological examination of unexpected findings during hernia repair.
- Further research is needed to understand the pathogenesis and optimal management of such rare umbilical malignancies.
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