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Primary Neuroendocrine Breast Carcinoma in a 13-Year-Old Girl: Ultrasonography and Pathology Findings

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      Abstract

      Neuroendocrine carcinoma (NEC) of the breast is a rare disease and has been scarcely reported by African authors. The authors report a case of breast NEC in a 13-year-old African girl initially diagnosed as an atypical adenofibroma by ultrasonography. Ultrasound-guided biopsy and conventional histological examination indicated two potential diagnoses: primary malignant non-Hodgkin's lymphoma and undifferentiated carcinoma. According to immunohistochemistry performed on paraffin blocks in France, infiltrating ductal carcinoma with a strong neuroendocrine component was confirmed by CD56, CD57, and chromogranin A markers.

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      Most cited references 24

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      [WHO classification of breast tumors and tumors of the female genital organs: pathology and genetics].

       W Böcker (2001)
      Under the supervision of P. Kleihues and L. H. Sobin, the "World Health Organisation Classification of Tumours" with its numerous volumes is currently being re-edited. Following the first three volumes on "Central Nervous System", "Digestive System" and "Haematopoetic System", the volume on "Tumours of the Breast and Female Genital Organs" will be published this autumn. This volume will be edited by F. Tavassoli and P. Devilee. The new WHO books serve a double function of text books and atlases of tumour pathology. The first part of the new volume includes the genetics and pathology of the entire spectrum of malignant tumours and their precursor lesions. The following part is devoted to benign proliferative lesions.
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        Neuroendocrine differentiated breast carcinoma: imaging features correlated with clinical and histopathological findings.

        The aim of this study was to describe the imaging features of neuroendocrine differentiated breast carcinoma (NEDBC) and to correlate the radiological findings with the clinical and histopathological findings. A retrospective review of the mammograms of 1845 histopathologically proven breast cancer cases revealed five NEDBC. The clinical, imaging, and histopathological findings were analyzed. On mammography, a high-density mass was seen in all patients. The shape of the mass was round in 4 and irregular in 1 patient. The margins were spiculated in 2, indistinct in 1, microlobulated in 1, and partially obscured in 1 patient. On sonography, 4 patients had homogeneously hypoechoic masses with normal sound transmission. In 1 patient the mass was heterogeneously hypoechoic with mild posterior acoustic enhancement. The margins were microlobulated in 2, irregular in 2, and well-circumscribed in 1 patient. Neuroendocrine differentiated breast carcinoma should be included in the differential diagnosis of mammographically dense, round masses with predominantly spiculated or lobulated margins. Sonographically, they mostly present as irregular or microlobulated, homogeneously hypoechoic masses with normal sound transmission.
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          Rare breast lesions: correlation of imaging and histologic features with WHO classification.

          Mammographers occasionally are surprised by the diagnosis of a rare lesion at breast biopsy. The imaging features of some breast lesions are unfamiliar because they are rarely seen in routine mammographic practice and they are not well described or well documented in the radiologic literature. Moreover, there may be wide variation in the appearances of rare breast lesions at mammography and ultrasonography (US). In addition, although a few rare breast lesions have a typical imaging appearance, most have mammographic and US features similar to those of breast carcinomas, and a needle biopsy is almost always necessary to obtain a diagnosis. However, even when a rare breast lesion is diagnosed on the basis of a needle biopsy, knowledge of the imaging features of such lesions may help the radiologist decide whether the results of pathologic analysis concur with the imaging findings and whether surgical excision is necessary. It is therefore important that radiologists be familiar with the broad spectrum of imaging features of rare breast lesions as well as with the correlation between their histopathologic features and their current classification according to the World Health Organization classification system. (c) RSNA, 2008.
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            Author and article information

            Affiliations
            1Department of Radiology, The University Teaching Hospital of Lomé, Lomé, Togo
            2Department of Pathology, The University Teaching Hospital of Lomé, Lomé, Togo
            3Department of Histology-Embryology, The University Teaching Hospital of Lomé, Lomé, Togo
            4Department of Endocrinology and Nephrology, The University Teaching Hospital of Lomé, Lomé, Togo
            5Department of Pediatric Surgery, The University Teaching Hospital of Lomé, Lomé, Togo
            6Department of Obstetrics and Gynecology, The University Teaching Hospital of Lomé, Lomé, Togo
            7Department of Clinical Oncology, The University Teaching Hospital of Lomé, Lomé, Togo
            Author notes

            Academic Editor: Samer Ezziddin

            Contributors
            ORCID: http://orcid.org/0000-0003-4864-4123
            Journal
            Case Rep Radiol
            Case Rep Radiol
            CRIRA
            Case Reports in Radiology
            Hindawi
            2090-6862
            2090-6870
            2017
            10 September 2017
            : 2017
            5610806
            10.1155/2017/7915806
            Copyright © 2017 Mazamaesso Tchaou et al.

            This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

            Categories
            Case Report

            Radiology & Imaging

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