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The ITS2 Database
Published on: March 12, 2012
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Idiopathic granulomatous mastitis: a 10-year study from a multicentre clinical database
Michael Co1, Vincent C C Cheng2, Jiannan Wei3
1Department of Surgery, Queen Mary Hospital, Hong Kong; Department of Surgery, The University of Hong Kong, Hong Kong.
Pathology
|November 4, 2018
Summary
Idiopathic granulomatous mastitis (IGM) is an uncommon breast disease. Smoking and Corynebacterium kroppenstedtii infection are key risk factors for IGM recurrence, affecting 12% of patients.
Area of Science:
- Breast disease research
- Inflammatory conditions
- Microbiology
Background:
- Idiopathic granulomatous mastitis (IGM) is a rare, chronic inflammatory breast condition.
- Its cause is unclear, and it can mimic breast cancer symptoms.
- This study reviews a decade of IGM cases from multiple centers.
Purpose of the Study:
- To analyze the recurrence rate of IGM.
- To identify prognostic factors for IGM recurrence.
- To understand the role of bacterial co-infections and lifestyle factors.
Main Methods:
- Retrospective analysis of a prospectively maintained database from three hospitals.
- Inclusion of biopsy-proven IGM cases, excluding tuberculosis.
- Evaluation of recurrence rates and risk factors using univariate and multivariate analyses.
Main Results:
- 102 patients with IGM were analyzed (median age 33).
- Common presentation: painful inflammatory mass (57 patients).
- Recurrence observed in 11.8% of patients after a median of 14 months.
- Abscess, smoking, and Corynebacterium kroppenstedtii were linked to recurrence.
Conclusions:
- IGM has a 12% recurrence rate.
- Cigarette smoking and C. kroppenstedtii isolation are independent risk factors for recurrence.
- Early identification of these factors may aid in managing IGM.
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