Umbilical Pilonidal Sinus: a Case Report and Systematic Review
Omar A Bamalan1, Hessa S Alsubeai1, Faisal T Hijazi1
1General Surgery Department, Security Forces Hospital, Dammam, Saudi Arabia.
Medical Archives (Sarajevo, Bosnia and Herzegovina)
|November 24, 2025
Summary
Umbilical pilonidal sinus (UPS) is a rare condition often missed. This review and case report detail its clinical picture, diagnostic challenges, and management, emphasizing a step-up approach for better patient care.
Area of Science:
- Medical Case Reports
- Surgical Techniques
- Pilonidal Sinus Disease
Background:
- Umbilical pilonidal sinus (UPS) is a rare congenital condition characterized by sinus tract formation in the umbilical region.
- It is often associated with chronic inflammation and hair accumulation, leading to frequent underdiagnosis due to nonspecific presentation.
- Delayed diagnosis of UPS can impede appropriate and timely management.
Purpose of the Study:
- To systematically review existing literature on UPS globally and in Saudi Arabia.
- To delineate the clinical presentation and identify risk factors associated with UPS.
- To propose a management algorithm and report outcomes for UPS.
Main Methods:
- A systematic literature review was conducted on Umbilical Pilonidal Sinus (UPS).
- A case report of a 19-year-old male with UPS is presented, detailing his presentation, diagnosis, and surgical management.
- Analysis of correlated risk factors such as hirsutism, deep navels, BMI, and family history was performed.
Main Results:
- UPS is more prevalent in males, with identified risk factors including hirsutism, deep umbilicus, elevated BMI, and a family history of pilonidal sinuses.
- A diagnostic criterion and a 'Step-up' management approach are proposed based on the findings.
- The case report details successful surgical excision and post-operative recovery with minor complications.
Conclusions:
- This study highlights the diagnostic challenges associated with UPS.
- It reviews conservative and surgical management options for UPS.
- Addressing the scarcity of UPS data is crucial for evidence-based, patient-centered care.


