Vulvar Fibroadenoma with Lactational Changes in Ectopic Breast Tissue – ScienceOpen
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      Vulvar Fibroadenoma with Lactational Changes in Ectopic Breast Tissue

      case-report

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          Abstract

          Ectopic breast tissue represents any type of breast tissue found outside its normal location in the pectoral region. The second most common location for ectopic breast tissue after axilla is the vulvar region. We present a case of a healthy 20-year-old female, G1P1, who presented to the Emergency Department with a sudden increase in size of a painful mass located in her vulva, which started 4 days after a spontaneous vaginal delivery and 3 days after initiation of breast-feeding of her newborn. She reported a stable, smaller, painless mass in the same location for almost 2 years prior to this episode. After surgical excision, a fibroadenoma with lactation changes within ectopic breast tissue was confirmed.

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          Most cited references14

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          Lesions of anogenital mammary-like glands: an update.

          Long considered to be ectopic breast tissue representing the caudal remnants of the milk ridges, anogenital mammary-like glands are nowadays thought to represent a normal constituent of the anogenital area. Lesions involving these glands, benign or malignant, epithelial or stromal manifest a striking similarity to their mammary counterparts. This review addresses the recent literature on lesions of anogenital mammary-like glands and our personal experience with various lesions related to these structures. Discussed are the normal anatomy and histology of these glands as well as the clinical presentation, histopathological and immunohistochemical features, molecular biological aspects, and differential diagnosis of various lesions involving anogenital mammary-like glands, including lactating adenoma, hidradenoma papilliferum, hidradenocarcinoma papilliferum, fibroadenomas, phyllodes tumor, pseudoangiomatous stromal hyperplasia, extramammary Paget disease, and other carcinomas. In addition, "nonspecific" epithelial or stromal changes some of which can be likened to similar changes occurring in a range of benign breast disease, including sclerosing adenosis, columnar cell lesions, ductal lesions and various metaplastic changes affecting epithelium and myoepithelium are discussed. Although lesions of anogenital mammary-like glands are often discussed in many dermatopathology textbooks in the context of cutaneous adnexal neoplasms we advocate that the best approach to the diagnosis of these lesions is to relate them to analogous well recognized lesions occurring in the breast, that is, through the eyes of a breast pathologist. This will enable their recognition, precise classification and should introduce greater uniformity in how they are reported in the literature so that more meaningful clinicopathological comparisons and correlations may be made.
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            Differentiation of phyllodes breast tumors from fibroadenomas on MRI.

            The purpose of our study was to evaluate the MRI appearance of phyllodes breast tumors and to differentiate them from fibroadenomas. MR images were obtained on a 1.5-T imager. T1- and T2-weighted sequences and dynamic 2D fast-field echo T1-weighted sequences were performed. MR images of 23 patients with 24 phyllodes breast tumors (one malignant, 23 benign) were analyzed with respect to morphology and contrast enhancement. The tumors were compared with the MRI appearance of 81 fibroadenomas of 75 patients. Well-defined margins were seen in 87.5% of the phyllodes tumors and 70.4% of the fibroadenomas, and a round or lobulated shape in 100% and 90.1%, respectively. A heterogeneous internal structure was observed in 70.8% of phyllodes tumors and in 49.4% of fibroadenomas. Nonenhancing internal septations were found in 45.8% of phyllodes tumors and 27.2% of fibroadenomas. A significantly greater increase in signal was seen on T2-weighted images in the tissue surrounding phyllodes tumors (21%) compared with fibroadenomas (1.2%). Most of both lesions appeared with low signal intensity on T1- and T2-weighted images. After the administration of contrast material, 33.3% of phyllodes tumors and 22.2% of fibroadenomas showed a suspicious signal intensity-time course. Phyllodes breast tumors and other fibroadenomas cannot be precisely differentiated on breast MRI. Phyllodes tumors have benign morphologic features and contrast enhancement characteristics suggestive of malignancy in 33% of cases.
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              Primary breast carcinoma of the vulva: a case report and literature review.

              In 1872, Hartung was the first to describe the case of a fully formed mammary gland arising in the left labium majora of a 30-year-old woman. Since Hartung's initial report, 38 additional cases of ectopic vulvar breast tissue have been described. This case report describes the rare occurrence of primary mammary adenocarcinoma arising within the vulva. A 64-year-old G4P4 white female presented with a 4-year history of a 2 x 1 cm firm, indurated, raised lesion of the left lateral mons. A wide local excision with ipsilateral inguinofemoral lymphadenectomy was performed. Given histological findings characteristic of both invasive ductal carcinoma and invasive lobular carcinoma, in conjunction with the presence of estrogen and progesterone receptors within the tumor, a diagnosis of infiltrating adenocarcinoma arising within ectopic breast tissue was made. Thirty-nine reported cases of ectopic breast tissue arising within the vulva have been reported in the world literature. Though the diagnosis of primary breast carcinoma arising within the vulva is based primarily upon histologic pattern, estrogen and progesterone receptor positivity provide supporting evidence. Given the rarity of this condition, guidelines for therapy are unavailable; we therefore suggest looking to the current management of breast cancer in order to establish a sensible approach. Copyright 1999 Academic Press.
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                Author and article information

                Journal
                Case Rep Obstet Gynecol
                Case Rep Obstet Gynecol
                CRIM.OBGYN
                Case Reports in Obstetrics and Gynecology
                Hindawi Publishing Corporation
                2090-6684
                2090-6692
                2013
                9 October 2013
                : 2013
                : 924902
                Affiliations
                1Department of Radiology, University of Texas Southwestern, 2201 Inwood Road Second Floor, Dallas, TX 75390-9085, USA
                2Department of Pathology, University of Texas Southwestern, 5323 Harry Hines Boulevard Dallas, TX 75390-9072, USA
                Author notes

                Academic Editors: C. Ficicioglu, D. Hochner-Celnikier, C.-C. Liang, and R. Shaco-Levy

                Article
                10.1155/2013/924902
                3810074
                189b4a00-47bd-4df0-8999-94bb86f49aa2
                Copyright © 2013 Naama Lev-Cohain 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.

                History
                : 7 August 2013
                : 31 August 2013
                Categories
                Case Report

                Obstetrics & Gynecology
                Obstetrics & Gynecology

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