A palpable abnormality of the breast was found in three women, one aged 57 and two aged 41. The first two patients predominantly showed the characteristics of a purulent inflammation, and on mammogram the third patient appeared to have mastitis carcinomatosa. Histopathological investigation revealed a lobular, non-caseating granulomatous inflammation. They were treated with prednisone and the first and third patients also received azathioprine. After some time, the condition recurred in the contralateral breast in the second and third patients. Once again, medicinal treatment was given. When a palpable tumour of the breast is found the primary goal is to exclude malignancy. Granulomatous lobular mastitis is a rare and benign tumour of the breast that clinically mimics carcinoma. Often, conventional imaging does not lead to the diagnosis. A histological needle biopsy is the best way to reach a diagnosis. Immunosuppressive therapy is effective and is preferred over surgery.
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Arch Pathol Lab Med
January 2025
From the Divisions of Pathology and Laboratory Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas (Gan, Y Ding, Wu, Zhang, Meng, QQ Ding, Han).
Objective.—: To report the isolation and significance of C kroppenstedtii, features of patients with GLM, pathologic findings and mechanism, bacteriologic workup, and optimal treatment.
Design.
J Breast Imaging
December 2024
Department of Radiology, Hospital of the University of Pennsylvania, Philadelphia, PA, USA.
Cystic neutrophilic granulomatous mastitis (CNGM) is a rare type of granulomatous lobular mastitis (GLM) with a distinct histologic pattern characterized on histopathology by clear lipid vacuoles lined by peripheral neutrophils ("suppurative lipogranulomas"), often containing gram-positive bacilli and strongly associated with Corynebacterial infection (in particular, Corynebacterium kroppenstedtii). Cystic neutrophilic granulomatous mastitis has a distinct histopathologic appearance, but the imaging appearance is less well described and has been limited to case reports and small case series published primarily in pathology literature. Mammographic findings of CNGM include focal asymmetry, skin thickening, and irregular or oval masses.
View Article and Find Full Text PDFInt J Surg Case Rep
January 2025
Associate Professor, Department of Breast Surgery, Aga Khan University Hospital, Karachi, Pakistan. Electronic address:
Pak J Med Sci
November 2024
Chunzhi Li, Department of Radiology, China Academy of Chinese Medical Sciences, Xiyuan Hospital, Beijing 100091, China.
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