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How mammillary fistulas should be managed.
Satheesha Hanavadi1, Gordon Pereira, Robert E Mansel
1Department of Surgery, University of Wales College of Medicine, Cardiff, United Kingdom.
The Breast Journal
|June 29, 2005
Summary
Mammillary fistulas, though rare, cause significant morbidity. Surgical treatment outcomes vary, with recurrence linked to wound infection and prior duct ectasia surgery.
Area of Science:
- Breast Surgery
- Surgical Oncology
- Benign Breast Disease Management
Background:
- Mammillary fistulas are uncommon but lead to prolonged patient morbidity.
- Etiology and optimal management strategies for mammillary fistulas require further clarification.
Purpose of the Study:
- To evaluate etiologic factors contributing to mammillary fistula formation.
- To assess the outcomes and recurrence rates of surgical treatments for mammillary fistulas.
Main Methods:
- Retrospective study of 35 patients treated for mammillary fistula between 1990 and 2001.
- Clinical data collection from medical records, including surgical complications.
- Fistulas categorized as simple or complex for analysis of treatment results.
Main Results:
- Majority of fistulas preceded by subareolar abscess drainage or inflammatory mass rupture.
- Seven patients developed fistulas after previous Hadfield's procedure for duct ectasia.
- Overall recurrence rate was 23%; postoperative wound infection was associated with recurrence.
- Simple fistulas treated with total duct excision showed higher recurrence (4/6).
Conclusions:
- Fistulectomy with primary closure is recommended for simple fistulas; total duct excision for complex cases.
- Restricting total duct excision to severe duct ectasia cases may reduce fistula incidence.
- Management in specialized breast units and antibiotic use are crucial for improving outcomes.