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https://www.readbyqxmd.com/read/29774524/%C3%AE-e-catenin-is-a-candidate-tumor-suppressor-for-the-development-of-e-cadherin-expressing-lobular-type-breast-cancer
#1
Jolien S de Groot, Max A K Rätze, Miranda van Amersfoort, Tanja Eisemann, Eva J Vlug, Mijanou T Niklaas, Suet-Feung Chin, Carlos Caldas, Paul J van Diest, Jos Jonkers, Johan de Rooij, Patrick W B Derksen
Mutational inactivation of E-cadherin (CDH1) is the main driver of invasive lobular breast cancer (ILC), although approximately 10-15% of all ILCs retain membrane-localized E-cadherin, despite the presence of an apparent non-cohesive and invasive lobular growth pattern. Given that ILC is dependent on constitutive actomyosin contraction for tumor development and progression, we used a combination of cell systems and in vivo experiments to investigate the consequences of α-catenin (CTNNA1) loss in the regulation of anchorage independence of non-invasive breast carcinoma...
May 17, 2018: Journal of Pathology
https://www.readbyqxmd.com/read/29774321/sentinel-lymph-node-metastasis-in-invasive-lobular-carcinoma-of-the-breast
#2
Hikmet Erhan Güven, Mahmut Onur Kültüroğlu, Mehmet Ali Gülçelik, Cihangir Özaslan
Objective: Invasive lobular carcinoma (ILC) of the breast makes up 5 to 15 percent of all invasive breast cancers. It has distinctive clinical and histopathological features when compared to invasive ductal carcinoma (IDC). This study intends to describe factors influencing sentinel lymph node (SLN) positivity in patients with "pure" ILC. Materials and Methods: Data of 105 patients, who were treated at a tertiary oncology center, with lobular carcinoma of the breast that were subjected to SLN biopsy was probed retrospectively...
April 2018: European Journal of Breast Health
https://www.readbyqxmd.com/read/29770317/metachronous-bilateral-ectopic-breast-carcinoma-a-case-report
#3
Anna Fachinetti, Corrado Chiappa, Veronica Arlant, Matteo Lavazza, Xiaoli Liu, Gianlorenzo Dionigi, Francesca Pia Pergolizzi, Antonina Catalfamo, Francesca Rovera
An incomplete regression of the mammary line during embryogenesis occurs in 0.2-6% of the population, which may result in the presence of ectopic breast tissue (EBT). The development of a carcinoma in the EBT is a rare event. The authors present a case report of a 76-year-old female patient, with a lobular carcinoma in an abdominal wall EBT submitted to surgery and adjuvant chemotherapy.
April 2018: Gland Surgery
https://www.readbyqxmd.com/read/29769627/clinical-and-functional-characterization-of-the-cdh1-germline-variant-c-1679c-g-in-three-unrelated-families-with-hereditary-diffuse-gastric-cancer
#4
Laura Pena-Couso, José Perea, Soraia Melo, Fátima Mercadillo, Joana Figueiredo, João Miguel Sanches, Antonio Sánchez-Ruiz, Luis Robles, Raquel Seruca, Miguel Urioste
Germline changes in the CDH1 tumor suppressor gene predispose to diffuse gastric cancer and lobular breast cancer. In carriers of deleterious germline CDH1 variants, prophylactic gastrectomy is recommended. In case of germline missense variants, it is mandatory to assess the functional impact on E-cadherin, the protein encoded by CDH1, and to predict their clinical significance. Herein, we have identified a recurrent germline missense variant, c.1679C>G, segregating with gastric cancer in three unrelated Spanish families...
May 16, 2018: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/29766467/thrombotic-microangiopathy-on-kidney-biopsy-in-a-patient-with-tafro-syndrome
#5
Toshikazu Ozeki, Masashi Tsuji, Junichiro Yamamoto, Chisato Shigematsu, Shoichi Maruyama
TAFRO syndrome represents a characteristic constellation of symptoms comprising Thrombocytopenia, Anasarca, myeloFibrosis, Renal dysfunction, and Organomegaly, and is considered to be a clinicopathologic variant of idiopathic multicentric Castleman disease. A 51-year-old woman was admitted to the hospital complaining of abdominal distension. Findings on physical examination were indicative of anasarca. Computed tomography revealed mild splenomegaly, pericardial effusion, pleural effusion, ascites, and paraaortic lymphadenopathy...
May 15, 2018: CEN Case Reports
https://www.readbyqxmd.com/read/29765955/pediatric-multiple-endocrine-neoplasia-type-2b-clinicopathological-correlation-of-perilimbal-mucosal-neuromas-and-treatment-of-secondary-open-angle-glaucoma
#6
Ta Chen Chang, Kingsley C Okafor, Kara M Cavuoto, Sander R Dubovy, Carol L Karp
Ocular findings of multiple endocrine neoplasia type 2B (MEN 2B) include prominent corneal nerves, mucosal neuromas of the conjunctiva, glaucoma, and dry eyes. A 15-year-old girl with MEN 2B presents with advanced secondary open-angle glaucoma and bilateral perilimbal masses. High-resolution optical coherence tomography (HR-OCT) of the perilimbal lesions showed normal epithelial thickness and subepithelial lobular areas of mixed reflectivity, which correlates well with histopathologic findings of benign mucosal neuromas...
April 2018: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29764450/evaluation-of-target-dose-inhomogeneity-in-breast-cancer-treatment-due-to-tissue-elemental-differences
#7
A Fogliata, F De Rose, A Stravato, G Reggiori, S Tomatis, M Scorsetti, L Cozzi
BACKGROUND: Monte Carlo simulations were run to estimate the dose variations generated by thedifference arising from the chemical composition of the tissues. METHODS: CT datasets of five breast cancer patients were selected. Mammary gland was delineated as clinical target volume CTV, as well as CTV_lob and CTV_fat, being the lobular and fat fractions of the entire mammary gland. Patients were planned for volumetric modulated arc therapy technique, optimized in the Varian Eclipse treatment planning system...
May 15, 2018: Radiation Oncology
https://www.readbyqxmd.com/read/29763352/pyogenic-granuloma-in-the-tongue-in-a-five-year-old-a-case-report
#8
Scott M Peters, David A Koslovsky, Angela J Yoon, Elizabeth M Philipone
Pyogenic granuloma, also called lobular capillary hemangioma, is a benign vascular lesion of the skin and mucous membranes. While the majority of pyogenic granulomas in the oral cavity involve the gingiva, they also infrequently present at other sites including lips, oral mucosa, palate, and tongue. We report a case of a pyogenic granuloma of the tongue in a five-year old female patient.
May 15, 2018: Journal of Clinical Pediatric Dentistry
https://www.readbyqxmd.com/read/29759595/her2-positive-lobular-versus-ductal-carcinoma-of-the-breast-pattern-of-first-recurrence-and-molecular-insights
#9
Lucia Da Ros, Anna Moretti, Patrizia Querzoli, Massimo Pedriali, Laura Lupini, Cristian Bassi, Paolo Carcoforo, Massimo Negrini, Antonio Frassoldati
BACKGROUND: Infiltrating lobular carcinoma (ILC) represents about 10% of breast cancer and rarely shows overexpression of human epidermal growth factor receptor 2 (HER2). We compared biological and clinical characteristics of HER2-positive ILC versus HER2-positive infiltrating ductal carcinoma (IDC). PATIENTS AND METHODS: We retrospectively analyzed the data of 328 patients with HER2-positive pure ductal or lobular breast carcinoma, comparing clinical and biological data at diagnosis as well as outcome between the 2 histologies...
April 18, 2018: Clinical Breast Cancer
https://www.readbyqxmd.com/read/29753007/evaluating-agreement-histological-features-and-relevance-of-separating-pleomorphic-and-florid-lobular-carcinoma-in-situ-subtypes
#10
Kamaljeet Singh, Cherie Paquette, Elizabeth T Kalife, Yihong Wang, Shamlal Mangray, M Ruhul Quddus Md MPhil, Margaret M Steinhoff
Morphological variants of lobular carcinoma in situ (LCIS) include classical- (CLCIS), pleomorphic- (PLCIS) and florid-type (FLCIS). Treatment guidelines suggest managing PLCIS and FLCIS like ductal carcinoma in situ (DCIS); therefore accurate identification of LCIS subtypes is critical. However significance of separating PLCIS from FLCIS is not clear. Also inter-observer agreement in identifying LCIS subtypes, using contemporary criteria, is not known. We aimed to evaluate inter-observer agreement amongst breast pathologists in diagnosing LCIS subtypes and use the agreement data to justify LCIS classification for management purposes...
May 9, 2018: Human Pathology
https://www.readbyqxmd.com/read/29751878/primary-biliary-cholangitis-and-autoimmune-hepatitis
#11
REVIEW
Raul S Gonzalez, Kay Washington
Primary biliary cholangitis and autoimmune hepatitis are common autoimmune diseases of the liver. Both have typical clinical presentations, including certain autoantibodies on serologic testing. Histologic features are also often typical: primary biliary cholangitis shows bile duct destruction (sometimes with granulomas), and autoimmune hepatitis shows prominent portal and lobular lymphoplasmacytic inflammation. Both have a wide differential diagnosis, including one another; they may also simultaneously occur within the same patient...
June 2018: Surgical Pathology Clinics
https://www.readbyqxmd.com/read/29745790/clinical-criteria-revision-for-hereditary-lobular-breast-cancer-associated-with-e-cadherin-germline-mutations
#12
Giovanni Corso, Alessandra De Scalzi, Irene Feroce, Paolo Veronesi, Bernardo Bonanni, Viviana Galimberti
No abstract text is available yet for this article.
May 10, 2018: Personalized Medicine
https://www.readbyqxmd.com/read/29744332/clinical-and-pathological-characteristics-of-autoimmune-hepatitis-with-acute-presentation
#13
Yi Shen, Changli Lu, Ruoting Men, Jianping Liu, Tinghong Ye, Li Yang
Aim. To study the differences between acute presentation-autoimmune hepatitis (A-AIH) and chronic autoimmune hepatitis (C-AIH). Methods. Through long-term follow-up, 80 patients were included in our study by using the revised international autoimmune hepatitis group (IAIHG) score and were divided into acute and chronic groups for comparison. Results. No significant difference was found in the gender, age, IAIHG score (pretreatment/posttreatment), definite diagnosis rate, extrahepatic autoimmune disease, onset time, or treatment before biopsy between the acute and chronic groups...
2018: Canadian Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/29744328/bilateral-metachronous-breast-carcinoma-a-rare-case-report
#14
Anand Singla, Navneet Kaur, Darshanjeet Singh Walia, Deeksha Singla
The occurrence of bilateral breast cancer is rare. A second primary in the contralateral breast can either be synchronous or metachronous. Lobular carcinoma of the breast is known for its multicentricity and bilateral spread. The synchronous mixed pattern of carcinoma of the breast has also been reported in the same breast. The family history of breast carcinoma, estrogen receptor negativity, and human epidermal growth factor receptor-2 positivity are risk factors for the development of contralateral breast malignancy...
April 2018: International Journal of Applied and Basic Medical Research
https://www.readbyqxmd.com/read/29743735/suspicious-amorphous-microcalcifications-detected-on-full-field-digital-mammography-correlation-with-histopathology
#15
Vera Christina Camargo de Siqueira Ferreira, Elba Cristina Sá de Camargo Etchebehere, José Luiz Barbosa Bevilacqua, Nestor de Barros
Objective: To evaluate suspicious amorphous calcifications diagnosed on full-field digital mammography (FFDM) and establish correlations with histopathology findings. Materials and Methods: This was a retrospective study of 78 suspicious amorphous calcifications (all classified as BI-RADS® 4) detected on FFDM. Vacuum-assisted breast biopsy (VABB) was performed. The histopathological classification of VABB core samples was as follows: pB2 (benign); pB3 (uncertain malignant potential); pB4 (suspicion of malignancy); and pB5 (malignant)...
March 2018: Radiologia Brasileira
https://www.readbyqxmd.com/read/29743728/spatially-correlated-phenotyping-reveals-k5-positive-luminal-progenitor-cells-and-p63-k5-14-positive-stem-cell-like-cells-in-human-breast-epithelium
#16
Werner Boecker, Laura van Horn, Göran Stenman, Christine Stürken, Udo Schumacher, Thomas Loening, Lukas Liesenfeld, Eberhard Korsching, Doreen Gläser, Katharina Tiemann, Igor Buchwalow
Understanding the mechanisms regulating human mammary epithelium requires knowledge of the cellular constituents of this tissue. Different and partially contradictory definitions and concepts describing the cellular hierarchy of mammary epithelium have been proposed, including our studies of keratins K5 and/or K14 as markers of progenitor cells. Furthermore, we and others have suggested that the p53 homolog p63 is a marker of human breast epithelial stem cells. In this investigation, we expand our previous studies by testing whether immunohistochemical staining with monospecific anti-keratin antibodies in combination with an antibody against the stem cell marker p63 might help refine the different morphologic phenotypes in normal breast epithelium...
May 9, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29739984/invasive-lobular-and-ductal-breast-carcinoma-differ-in-immune-response-protein-translation-efficiency-and-metabolism
#17
Tian Du, Li Zhu, Kevin M Levine, Nilgun Tasdemir, Adrian V Lee, Dario A A Vignali, Bennett Van Houten, George C Tseng, Steffi Oesterreich
Invasive lobular carcinoma (ILC) is the second most common histological subtype of breast cancer following invasive ductal carcinoma (IDC). ILC differs from IDC in a number of histological and clinical features, such as single strand growth, difficulty in detection, and frequent late recurrences. To understand the molecular pathways involved in the clinical characteristics of ILC, we compared the gene expression profiles of luminal A ILC and luminal A IDC using data from TCGA and utilized samples from METABRIC as a validation data set...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29737225/esophageal-pyogenic-granuloma-a-case-report-and-review-of-the-literature
#18
David A Suarez-Zamora, Paula A Rodriguez-Urrego, Jaime Solano-Mariño, Fernando Sierra-Arango, Mauricio A Palau-Lazaro
Pyogenic granuloma (PG) is a capillary hemangioma mainly found in the skin and oral mucosa, but rarely described in the esophagus. We report the case of a 66-year-old man who consulted for retrosternal pain. Endoscopic studies showed a 28-mm polypoid mass located at the distal esophageal mucosa. The patient underwent endoscopic resection, and the histopathological examination showed a neoplastic proliferation of small blood vessels growing in a lobular architecture, with edematous stroma and prominent inflammatory infiltrate...
May 1, 2018: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29736835/value-of-two-dimensional-shear-wave-elastography-for-assessing-acute-liver-congestion-in-a-bama-mini-pig-model
#19
Li-Ting Xie, Dan-Xia Xu, Guo Tian, Li-Yun Zhong, Qi-Yu Zhao, Qing-Hong Ke, Tian-An Jiang
BACKGROUND: To date, liver congestion is one of the most significant clinical diseases. However, few studies have profoundly investigated the development, pathology, and prognosis of the important problems associated with acute hepatic congestion. AIMS: To explore the value of noninvasive two-dimensional shear wave elastography (2D-SWE) for assessing acute liver congestion in an animal model. METHODS: Six healthy Bama mini-pigs were used for this research and randomly divided into the experimental group and control group...
May 8, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29735168/image-analysis-of-fibrosis-in-labial-salivary-glands-of-patients-with-systemic-autoimmune-diseases-close-correlation-of-lobular-fibrosis-to-seropositive-rheumatoid-arthritis-and-increased-anti-ccp-and-rf-titres-in-the-serum
#20
Krisztián Katona, Nelli Farkas, Mária Kneif, Gábor SütŐ, Tímea Berki, Balázs Balatonyi, Tamás Tornóczky
Lobular fibrosis in labial salivary glands of patients with systemic autoimmune disease is a rarely examined and rather neglected histological change. Its significance and disease association is poorly understood. Our aim was to explore the clinical correlations of fibrosis in labial salivary gland samples using objective methods and laboratory parameters. Labial salivary gland samples from more than 300 patients over a 3-year period were selected from the archives of the pathology department, histologically examined, digitised, image analysed and statistically evaluated to identify the presence and intensity of lobular fibrosis, its relation to age, clinical diagnoses of systemic autoimmune disease and the presence of rheumatoid factor (RF), anti-cyclic citrullinated peptide (CCP), antinuclear antibodies (ANAs), and anti-dsDNA serum markers...
May 4, 2018: Pathology
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