Carcinoma mucinoso de mama, experiencia de 10 años

The mucinous carcinoma is invasive ductal carcinoma of low grade malignancy is characterized by tumor cells embedded in extracellular clumps of mucus. They represent 1 % to 7 % of all breast cancers, are most frequently in older women. OBJECTIVES: Determine the clinical characteristics, prognostic factors, the histological types, the treatment applied and the overall survival in patients with the diagnosis of mucinous carcinoma of breast, viewed at the Oncology Institute "Dr. Miguel Perez Carreno". METHOD: We realized a descriptive study of patients with the diagnosis of mucinous breast carcinoma viewed between the years 2002-2011. RESULTS: We evaluated the medical records of 17 patients and found that the age group most affected is the 36-45 years old with 29.4 %, the most affected breast was the left with 58.8 %, the palpable nodule was the predominant symptom, the most affected quadrant was the upper outer in a 41.20 %, stage IIA was the most predominate, 41.17 % pure mucinous carcinoma was found in 94.11 %, the immunohistochemistry diagnosis of luminal A was the most prevalent in 54.54 % of the patients. 47.05 % of all the patients received neoadjuvant treatment, 76.47 % were practicing modified radical mastectomy. 41.7 % patients had an overall survival at 10 years. CONCLUSION: The mucinous carcinoma of the breast is a rare entity showing high rates of cure and control with a proper and adequate treatment.