Idiopathic Granulomatous Mastitis Presenting as Bilateral Breast Abscesses

Dierickx, Jesper; Dekeyzer, Sofie; Vanhoenacker, Filip

doi:10.5334/jbsr.2565

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“…Most researchers currently believe that GLM mainly presents as unilateral onset, and bilateral onset of GLM has rarely been reported. Upon searching the database, only a few relevant papers [7][8][9][10][11] were retrieved, describing cases of bilateral GLM. However, these papers primarily consisted of case reports or retrospective studies with a limited number of cases.…”

Section: Introductionmentioning

confidence: 99%

Clinical features and risk factors of bilateral granulomatous lobular mastitis

Ge,

Sun,

Feng

et al. 2024

Medicine

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Granulomatous lobular mastitis (GLM) is an idiopathic inflammatory breast disease that tends to recur on the same side. With the accumulation of clinical cases, it has been observed that GLM can also occur contralaterally. Currently, most studies on GLM focus on treatment methods and risk factors for ipsilateral recurrence, and there are few reports on bilateral GLM. The study aimed to summarize the clinical characteristics of patients with bilateral GLM by reviewing their clinical data, and to discuss the risk factors affecting the occurrence of bilateral GLM. A retrospective study of the medical records database of patients with GLM admitted between May 2019 and August 2022 was performed. Patients were divided into bilateral GLM group (bilateral GLM group) and unilateral GLM patients (unilateral GLM group). Demographic and clinical characteristics, treatment, and follow-up were collected and analyzed. In this study, by reviewing the clinical data of 59 cases of bilateral GLM, we found that the median time between the onset of bilateral GLM on both sides was 6.63 (0–18) months. Additionally, because of the simultaneous or interval onset on both sides, the duration of the disease was longer compared to unilateral cases. Regarding the history of external hospital treatment, it was found that about 57.63% of patients with bilateral GLM received 2 or more treatment modalities, with a higher involvement of herbal medicine. Meanwhile, by counting the clinical data of the 2 groups of patients with bilateral GLM and unilateral GLM, it was shown by univariate analysis that fertility, nipple development, absolute CD4 value, and CD4/CD8 ratio were associated with contralateral onset of GLM in both groups, with inverted nipple being an independent risk factor.

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Section: Introductionmentioning

confidence: 99%