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Objective: To evaluate the pathological and radiological features, hormone profiles, surgery and treatment methods of metaplastic breast carcinoma cases diagnosed at our center in the light of current literature. Material and Method: A total of 38 metaplastic breast cancer cases diagnosed between 2006-2018 at our center were included in the study. The patients were evaluated in terms of age, tumor size, localization, histological grade, hormone profiles (ER, PR, Her2-neu), American Joint Committee on Cancer (AJCC) Tumor, Lymph node status, Metastases (TNM) stage, progression, survival, radiological features, types of surgery and therapy modalities (chemotherapy and / or radiotherapy). Results: The age of the patients ranged between 32 and 95 years. Pathological evaluation of cases showed that 14 were pure epithelial (IC-NST + squamous cell carcinoma) and 24 were metaplastic carcinomas with mesenchymal differentiation. Ductal carcinoma in situ (DCIS) was accompanying an invasive component in twenty cases. Seventeen patients had lymph node metastasis. Twelve patients developed distant metastasis. Thirty patients were triple negative for hormone receptors. The mean follow-up period of the patients was 34 months. The estimated life expectancy was 116 months. All of the patients received chemotherapy and 28 patients received adjuvant radiotherapy. There was no correlation between tumor size and lymph node or distant metastasis in our series. Our findings are consistent with the literature. Conclusion: Metaplastic breast carcinoma is a rare entity among breast carcinomas. Metaplastic carcinomas of the breast draw attention with the differences in their clinical course and the radiological and pathological heterogeneity.

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Oligodendrogliomas (ODGs) is a diffuse glial tumor that constitutes 4.2% of all brain tumors. Extraneural metastases, sometimes seen in glioblastoma multiforme, are extremely rare in ODG. In this report, we present a 63-year-old male patient who was diagnosed with Grade 3 ODG and had an intracranial mass resected in our clinic 4 years ago. The subject now presented with low back pain and was found to have widespread metastases. The prolongation of patient survival by current treatment regimens has revealed a growing number of ODG patients with metastases. We believe that back pain complaints in patients with ODG should be viewed as an indicator of metastasis.

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