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. 2019;20(3):929–934. doi: 10.31557/APJCP.2019.20.3.929

Table 2.

Classification of Idiopathic Granulomatous Mastitis Based on the Clinical Presentation (n= 68)

Pattern A Pattern B Pattern C Pattern D
Main classifying features Mass: no pain, no inflammation Mass: +pain +Inflammation Abscess-like Mass: + ulcer, sinus, or fistula
Number of patients 9 (13.23 %) 36 (52.94%) 18 (26.47%) 5 (7.35%)
Associated pain No Mild to moderate Severe Moderate
Local inflammation No Mild to moderate Severe Severe
Erythema nodosum - 1 patient 2 patients -
Recurrence 0 (00 %) 8 (22.20 %) 9 (50.00%) 2(40.0%)
Steroid treatment 0 (00 %) 10 (27.78%) 16 (88.90%) 3 (60.0 %)
Operative finding Hard mass Hard mass -Hard mass + pus -Difficult margin identification Ulcerative mass ± pus