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Phyllodes tumor

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https://www.readbyqxmd.com/read/28724885/invasive-ductal-carcinoma-within-a-benign-phyllodes-tumor
#1
Nancy Panko, Anwar A Jebran, Ameer Gomberawalla, Mark Connolly
BACKGROUND Phyllodes tumor (PT) is a rare neoplasm of the breast. Concomitant PT with invasive ductal carcinoma (IDC) is an even rarer occurrence. When ductal carcinoma in situ (DCIS) or IDC are detected within the specimen, the management changes from wide local excision to further staging work-up, including sentinel node biopsy and radiation. CASE REPORT We report the case of a 70-year-old presented with right breast mass whose pathology showed benign PT with concomitant IDC and DCIS. The patient elected for a wide excision of the mass with sentinel lymph node biopsy, which did not show any involvement...
July 20, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28717699/opportunistic-breast-cancer-education-and-screening-in-rural-honduras
#2
Linda S Kennedy, Suyapa A Bejarano, Tracy L Onega, Derek S Stenquist, Mary D Chamberlin
PURPOSE: In Honduras, the breast cancer burden is high, and access to women's health services is low. This project tested the connection of community-based breast cancer detection with clinical diagnosis and treatment in a tightly linked and quickly facilitated format. METHODS: The Norris Cotton Cancer Center at Dartmouth College partnered with the Honduran cancer hospital La Liga Contra el Cancer to expand a cervical cancer screening program, which included self-breast exam (SBE) education and clinical breast exams (CBEs), to assess patient attitudes about and uptake of breast cancer education and screening services...
August 2016: Journal of Global Oncology
https://www.readbyqxmd.com/read/28713717/reconstructive-and-oncoplastic-surgery-for-giant-phyllodes-tumors-a-single-center-s-experience
#3
Vassilis Pitsinis, Osama Moussa, Fiona Hogg, Jane McCaskill
Phyllodes tumors are biphasic fibroepithelial neoplasms of the breast. While the surgical management of these relatively uncommon tumors has been addressed in the literature, few reports have commented on the surgical approach to tumors greater than ten centimetres in diameter - the giant phyllodes tumor. We report a case of giant breast tumors and discuss the techniques utilized for pre-operative diagnosis, tumor removal, and breast reconstruction. A review of the literature on the surgical management of phyllodes tumors was performed...
May 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28689011/coexistence-of-ductal-carcinoma-within-mammary-phyllodes-tumor-a-review-of-557-cases-from-a-20-year-region-wide-database-in-hong-kong-and-southern-china
#4
Michael Co, Gary M Tse, Clement Chen, Jiannan Wei, Ava Kwong
INTRODUCTION: Phyllodes tumor (PT) is an uncommon fibroepithelial tumor of the breast showing predominately proliferation of the stromal component. The presence of ductal carcinoma in situ (DCIS) or invasive ductal carcinoma is rare, with only a few cases reported in the literature. METHODS: A retrospective review of a prospectively maintained database was performed. Patients who were treated for PT in 5 hospitals in Hong Kong and Shenzhen, China over a period of 20 years (1997-2016) were evaluated...
June 17, 2017: Clinical Breast Cancer
https://www.readbyqxmd.com/read/28688536/fibroepithelial-lesions-the-who-spectrum
#5
REVIEW
Gregor Krings, Gregory R Bean, Yunn-Yi Chen
Fibroepithelial lesions of the breast comprise a morphologically and biologically heterogeneous group of biphasic tumors with epithelial and stromal components that demonstrate widely variable clinical behavior. Fibroadenomas are common benign tumors with a number of histologic variants, most of which pose no diagnostic challenge. Cellular and juvenile fibroadenomas can have overlapping features with phyllodes tumors and should be recognized. Phyllodes tumors constitute a spectrum of lesions with varying clinical behavior and are graded as benign, borderline or malignant based on a set of histologic features according to recommendations by the World Health Organization (WHO)...
May 28, 2017: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/28662999/lipomatous-tumors-of-the-breast-a-contemporary-review
#6
REVIEW
J Jordi Rowe, Alison L Cheah, Benjamin C Calhoun
Breast tumors with lipomatous or liposarcomatous components are infrequently encountered, but can be a source of diagnostic difficulty if the context of the fatty differentiation is not recognized. Among the true adipocytic tumors, lipoma is the most common lipomatous tumor arising in the breast. Several mammary spindle cell tumors may show adipocytic differentiation, including fibroepithelial tumors and myofibroblastoma. Liposarcomatous components most often arise in malignant phyllodes tumors, as opposed to primary liposarcomas of the breast which are believed to be uncommon...
May 29, 2017: Seminars in Diagnostic Pathology
https://www.readbyqxmd.com/read/28655120/a-rare-benign-tumor-of-breast-masquerading-on-fine-needle-aspiration-cytology-a%C3%A2-case%C3%A2-report
#7
Banushree Cs, Ramachandra V Bhat, Sri Vengadesh Gopal
Pleomorphic adenoma is a common tumor encountered in major salivary gland and very rarely seen in breast. This matrix producing tumor can be confused with fibroadenoma, phyllodes tumor and metaplastic carcinoma on fine needle aspiration cytology(FNAC). Pre-operative diagnosis of pleomorphic adenoma helps in preventing surgical over or under treatment of the disease. We present an extremely rare case of pleomorphic adenoma of breast diagnosed on FNAC with histopathological confirmation.
June 23, 2017: Breast Disease
https://www.readbyqxmd.com/read/28655118/giant-juvenile-fibroadenoma-in-a-9-year-old-a-case-presentation-and-review-of-the-current-literature
#8
Michalina Kupsik, Brian Yep, Suela Sulo, Heidi Memmel
Juvenile fibroadenoma is the most common breast mass in adolescents accounting for 0.5-4% of all cases of fibroadenomas. Giant fibroadenomas are well-circumscribed, firm breast masses characterized by proliferation of epithelial and connective tissue. They are defined as being larger than 5 cm or weighing more than 500 g. The peak age has been reported between the ages of 17 and 20, with less than 5% of these in patients less than 18-years-old.We present a 9-year-old, pre-menstrual, Nigerian female with no known family history of breast masses or cancers who developed spontaneous giant fibroadenoma measuring approximately 13  cm × 13 cm...
June 23, 2017: Breast Disease
https://www.readbyqxmd.com/read/28648934/molecular-alterations-in-lesions-of-anogenital-mammary-like-glands-and-their-mammary-counterparts-including-hidradenoma-papilliferum-intraductal-papilloma-fibroadenoma-and-phyllodes-tumor
#9
Anastasia M Konstantinova, Tomas Vanecek, Petr Martinek, Liubov Kyrpychova, Dominic V Spagnolo, Colin J R Stewart, Francesca Portelli, Michal Michal, Dmitry V Kazakov
Lesions affecting anogenital mammary-like glands (AGMLG) are histopathologically very similar to those seen in the breast but whether this morphological similarity is also reflected at the genetic level is unknown. To compare the underlying molecular mechanisms in lesions of AGMLG and their mammary counterparts, we analyzed the mutational profile of 16 anogenital neoplasms including 5 hidradenomas papilliferum (HP), 1 lesion with features of HP and fibroadenoma (FA), 7 FA, 3 phyllodes tumors (PhT)) and 18 analogous breast lesions (6 intraductal papillomas (IDP), 9 FA, and 3 PhT) by high-coverage next generation sequencing (NGS) using a panel comprising 50 cancer-related genes...
June 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28631716/-anogenital-mammary-like-glands-and-related-diseases-part-2-malignant-tumors-of-the-anogenital-glands
#10
A M Konstantinova, I E Belousova, D Kacerovska, M Michal, K V Shelekhova, D V Kazakov
Mammary-like glands are a normal anatomical component of the anogenital region and can give rise to many benign and malignant tumors that morphologically mimic the similar diseases of the breast. The literature review is complemented by a description of 199 cases of malignant tumors of mammary-like glands. The paper presents the clinical and morphological characteristics of various malignant tumors of mammary-like glands, including extramammary Paget's disease, ductal, tubulolobular, adenoid cystic adenocarcinoma, low-grade phyllodes tumor, etc...
2017: Arkhiv Patologii
https://www.readbyqxmd.com/read/28512246/tumor-associated-macrophages-promote-malignant-progression-of-breast-phyllodes-tumors-by-inducing-myofibroblast-differentiation
#11
Yan Nie, Jianing Chen, Di Huang, Yandan Yao, Jiewen Chen, Lin Ding, Jiayi Zeng, Shicheng Su, Xue Chao, Fengxi Su, Herui Yao, Hai Hu, Erwei Song
Myofibroblast differentiation plays an important role in the malignant progression of phyllodes tumor, a fast-growing neoplasm derived from periductal stromal cells of the breast. Macrophages are frequently found in close proximity with myofibroblasts, but it is uncertain whether they are involved in the myofibroblast differentiation during phyllodes tumor progression. Here we show that increased density of tumor-associated macrophage (TAM) correlates with malignant progression of phyllodes tumor. We found that TAMs stimulated myofibroblast differentiation and promoted the proliferation and invasion of phyllodes tumor cells...
May 16, 2017: Cancer Research
https://www.readbyqxmd.com/read/28472030/combination-of-shear-wave-elastography-and-color-doppler-feasible-method-to-avoid-unnecessary-breast-excision-of-fibroepithelial-lesions-diagnosed-by-core-needle-biopsy
#12
Ga Ram Kim, Ji Soo Choi, Boo-Kyung Han, Eun Young Ko, Eun Sook Ko, Soo Yeon Hahn
BACKGROUND: We evaluated shear-wave elastography (SWE) and color Doppler ultrasonography (US) features for fibroepithelial lesions (FELs), and to evaluate their utility to differentiate fibroadenomas (FAs) and phyllodes tumors (PTs). METHODS: This retrospective study included 67 FELs pathologically confirmed (49 FAs, 18 PTs). B-mode US, SWE and color Doppler US were performed for each lesion. Mean elasticity (Emean), maximum elasticity (Emax), and vascularity were determined by SWE and Doppler US...
2017: PloS One
https://www.readbyqxmd.com/read/28469344/synchronous-malignant-phyllodes-tumor-with-skin-ulceration-and-invasive-carcinoma-as-collision-tumor
#13
Rajeshwari K Muthusamy, Sangita S Mehta
Phyllodes tumor is a rare fibroepithelial biphasic tumor of the breast composed of hypercellular mesenchymal stroma and double-layered epithelial component, arranged in clefts with leaf-like projections. Phyllodes tumor with coincidental presence of invasive carcinoma or in situ ductal carcinoma in the same or distinct breast is a rare occurrence, documented by some reports. Invasive carcinoma can be seen within or outside the phyllodes tumor. Skin ulceration by malignant phyllodes tumor with coexisting invasive carcinoma as collision tumor is extremely rare...
January 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28458828/giant-phyllodes-tumor-of-the-breast-with-diffuse-myxoid-changes-in-an-adolescent-girl-a-case-report
#14
Ji Young Lee
Giant phyllodes tumors (PT) are an uncommon fibroepithelial neoplasm and especially rare in adolescent girls. Diagnosis is difficult not only due to the rarity of PT, but also owing to the resemblance of its clinical and imaging features with fibroadenoma. The author reports a case of a giant PT in a 14-year-old girl. Clinical examination showed a large painful mass in the left breast, and an abscess was initially suspected. But magnetic resonance imaging (MRI) displayed features characteristic of PT. Following complete surgical excision of the mass, histopathology confirmed the diagnosis of a benign PT with diffuse myxoid changes, consistent with the MRI findings...
February 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28413897/fibroadenoma-with-pleomorphic-stromal-giant-cells-it-s-not-as-bad-as-it-looks
#15
Jonathan Wawire, Kamaljeet Singh, Margaret M Steinhoff
Clinically relevant histological categorization of fibroepithelial lesions can be a daunting task, especially in a core needle biopsy. Assessment of stromal nuclear atypia, including nuclear pleomorphism and mitotic activity, is a key morphological feature employed to classify fibroepithelial lesions. We describe a case of fibroadenoma with markedly atypical nuclear features in the stromal cells that led to misclassification as phyllodes tumor in the core needle biopsy. Excision showed a fibroadenoma containing pleomorphic stromal giant cells, with occasional mitotic figures, including atypical forms...
April 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28406095/a-giant-phyllodes-tumor-of-the-breast-causing-severe-disfigurement-a-case-report
#16
Gianluca Franceschini, Danilo Di Giorgio, Sabatino D'Archi, Alba Di Leone, Alejandro Martin Sanchez, Riccardo Masetti
Phyllodes tumours (PTs) are rare fibroepithelial neoplasms representing about 0,2% to 2% of all breast tumors with an incidence of about 2.1 per million. The classification proposed by the World Health Organization for PTs into benign, borderline, and malignant is based on a combination of several histologic features. High-grade malignant phyllodes tumors may spread by hematogenous route. While smaller and moderate size malignant phyllodes may typically be seen, gigantic ones with larger than 10 cm in diameter are very rare...
January 20, 2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28381138/phyllodes-tumor-with-heterologous-liposarcomatous-differentiation
#17
Magnus Hallin, Khin Thway
No abstract text is available yet for this article.
February 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28380418/expression-of-emt-markers-and-mode-of-surgery-are-prognostic-in-phyllodes-tumors-of-the-breast
#18
Xiaolong Feng, Lin Zhao, Honghong Shen, Xiaozhen Liu, Yang Yang, Shuhua Lv, Yun Niu
Phyllodes tumors of the breast are rare neoplasms that account for <1% of all mammary tumors and 2-3% of fibro-epithelial neoplasms of the breast. We evaluated the clinicopathological characteristics of a cohort of 246 Chinese patients in relation to the expression of epithelial-to-mesenchymal (EMT) markers in benign, borderline and malignant tumors and the prognostic value of different surgical regimens. We observed that survival outcomes correlated with the mode of surgical management in the three patient groups...
May 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28370063/total-variation-based-dce-mri-decomposition-by-separating-lesion-from-background-for-time-intensity-curve-estimation
#19
Hui Liu, Yuanjie Zheng, Dong Liang, Pinpin Tang, Fuquan Ren, Lina Zhang, Zuowei Zhao
PURPOSE: This study aims to obtain the accurate time intensity curve (TIC) of a dynamic contrast-enhanced magnetic resonance image (DCE-MRI) by eliminating the normal tissue enhancement and obtaining pure lesion information. The TIC of DCE-MRI is sometimes distorted because of the influence of normal tissue. In this paper, a new tracer-kinetic modeling based on total variation (DC-TV) is proposed to address this problem by decomposing the DCE-MRI into the normal tissue image and the lesion image...
March 30, 2017: Medical Physics
https://www.readbyqxmd.com/read/28331755/phyllodes-tumor-of-the-breast-analysis-of-48-patients
#20
Murat Özgür Kılıç, Serdar Gökay Terzioğlu, Betül Bozkurt, Gül Dağlar
OBJECTIVE: Phyllodes tumor (PT) is a rare biphasic breast neoplasm that accounts for less than 1% of all breast tumors. The aim of this study was to evaluate the clinicopathologic features, diagnostic difficulties, and therapeutic outcomes of patients with PT. MATERIALS AND METHODS: A total of 48 female patients who underwent surgery for PT were included in the study. Patient characteristics, clinicopathologic features of tumors, diagnostic findings, surgical outcomes, adjuvant therapies, and follow-up findings were retrospectively evaluated...
October 2016: Journal of Breast Health (2013)
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