• Rina Barrios Barreto, Liney Mendoza Suarez, Astrid Del Valle, Carlos Silvera Redondo, and Haydee P De La Hoz Herazo.
• División Ciencias de la Salud, Universidad del Norte, Barranquilla, Colombia. E-mail: brina@uninorte.edu.co.
• Medicina (B Aires). 2023 Jan 1; 83 (1): 149152149-152.

AbstractMetastatic lesions involving the breast are exceptional; hematolymphoid neoplasias rank second as per their frequency in case series reported in the literature with a prevalence of 0.04% to 1.6% when considering all malignant breast tumors and reaching an annual incidence of 0.07%, mainly accounted for by secondary lymphomas. Eighty percent of them are diffuse, large B cells lymphomas (DLBCL), followed by follicular lymphoma and marginal zone lymphoma. This case is about a 60 year-old woman with a diagnosis of follicular lymphoma, who presented with a right perirenal mass and ipsilateral retroperitoneal and inguinal lymph nodes, whose clinical status progressed during the treatment with unusual secondary involvement of both breasts by hematolymphoid neoplasia. The biological behavior of the condition was evaluated to understand the pathophysiological mechanisms; this was done analyzing clinical, histologic and prognostic factors that led to a definitive staging, which was key to select the individualized therapy following the clinical practice guidelines based on scientific evidence, with a positive impact on the patient's medical progress.

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