One in Ten Develop Seroma
Retrospective analysis outlines incidence and risk factors
By
Jess Allerton
February 17, 2026
Clinical Scorecard: One in Ten Develop Seroma
At a Glance
Category Detail
Condition Seroma following parotidectomy Key Mechanisms Postoperative fluid accumulation requiring aspiration Target Population Adult patients undergoing parotidectomy Care Setting Tertiary surgical center
Key Highlights
11% of patients developed seroma post-parotidectomy Median onset of seroma was 4 days after drain removal Persistent seroma occurred in 4% of the cohort Risk factors include tumor location, size, BMI, and incision type Median time to resolution of seroma was 17 days Guideline-Based Recommendations
Diagnosis
Define seroma as postoperative fluid accumulation requiring aspiration without evidence of salivary fistula Management
Monitor for seroma development within the first postoperative week Consider aspiration for symptomatic seroma Monitoring & Follow-up
Assess cumulative drain output prior to removal Follow up on patients with higher BMI and anterior tumor location Risks
Anterior tumor location increases odds of seroma by 2.2 times Each additional cm of tumor size increases odds by 58% BMI ≥ 25 kg/m² increases odds by 1.8 times Facelift-type incision increases odds by 1.9 times Patient & Prescribing Data
Adult patients treated at a tertiary center
Patients may require multiple aspirations for seroma management
Clinical Best Practices
Educate patients on the risk factors for seroma Implement postoperative monitoring strategies based on identified risk factors Consider individualized approaches to drain management References
