Electronic ISSN 2287-0237

VOLUME

BILATERAL IDIOPATHIC GRANULOMATOUS MASTITIS: A CASE REPORT

SEPTEMBER 2014 - VOL.8 | CASE REPORT

Idiopathic granulomatous mastitis is a rare, chronic inflammatory disease of the breast that frequently occurs in young women of childbearing age. The lesion usually presents as a unilateral firm breast mass with signs of inflammation but bilateral involvement has been reported. As the clinical presentation and radiological imaging of idiopathic granulomatous mastitis can mimic two common breast diseases, mastitis with abscess and breast cancer, a tissue biopsy is required for histopatho- logical diagnosis. The etiology and ideal treatment remain unclear. Conservative treatment with immunosuppressive therapy has proven good efficacy. In this case report, we present a patient diagnosed with bilateral idiopathic granulomatous mastitis. We review and discuss the clinical presentation, imaging, diagnosis and management of this patient that eventually responds well to steroid therapy.

Keywords:

granulomatous mastitis, idiopathic, bilateral, steroid therapy

 

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Figure 1:
Ultrasonography of the patient’s right breast lesion. Focal inflammation with moderate skin thickening in the lower inner quadrant.
Figure 2:
Histology slide of the patient’s right breast mass. Poorly-formed granulomas with multinucleated giant cells (Black arrow).
Figure 3:
Clinical manifestation of bilateral breast masses of this patient diagnosed with bilateral idiopathic granulomatous mastitis.
Figure 4:
Mammography of the patient’s left breast lesion. Increased breast density in the lower inner quadrant.
Figure 5:
Ultrasonography of the patient’s left breast lesion. An ill-defined hypoechoic lesion in the lower inner quadrant.
Figure 6:
The patient’s breasts at the last follow up visit after 5-months of steroid therapy.
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