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Diagnostic Pathology

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https://www.readbyqxmd.com/read/28720116/retraction-note-the-microrna-1246-promotes-metastasis-in-non-small-cell-lung-cancer-by-targeting-cytoplasmic-polyadenylation-element-binding-protein
#1
Weihua Huang, Huifen Li, Rongcheng Luo
No abstract text is available yet for this article.
July 18, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28693516/pancreatic-metastasis-from-invasive-pleomorphic-lobular-carcinoma-of-the-breast-a-rare-case-report
#2
Xiangjie Sun, Ke Zuo, Dan Huang, Baohua Yu, Yufan Cheng, Wentao Yang
BACKGROUND: Invasive pleomorphic lobular carcinoma (PLC) is an aggressive subtype of invasive lobular carcinoma of the breast, which has its own histopathological and biological features. The metastatic patterns for PLC are distinct from those of invasive ductal carcinoma. In addition, pancreatic metastasis from PLC is extremely rare. CASE PRESENTATION: We report a rare case of a 48-year-old woman presenting with clinical gastrointestinal symptoms and pancreatic metastasis of PLC...
July 11, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28693610/gata3-is-a-sensitive-marker-for-primary-genital-extramammary-paget-disease-an-immunohistochemical-study-of-72-cases-with-comparison-to-gross-cystic-disease-fluid-protein-15
#3
Ming Zhao, Lixin Zhou, Li Sun, Yan Song, Yunquan Guo, Xun Zhang, Feng Zhao, Peng Wang, Junqiu Yue, Dongfeng Niu, Zhongwu Li, Xiaozheng Huang, Qiang Kang, Lin Jia, Jinping Lai, Dengfeng Cao
BACKGROUND: GATA-binding protein 3 (GATA3) has been identified as a sensitive marker for breast carcinoma but its sensitivity in primary genital extramammary Paget diseases (EMPDs) has not been well studied. METHODS: Here we investigated immunohistochemical expression of GATA3 in 72 primary genital EMPDs (35 from female, 37 from male; 45 with intraepithelial disease only, 26 with both intraepithelial disease and invasive adenocarcinoma including 14 also metastasis, 1 with metastatic adenocarcinoma only for study)...
July 10, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28687087/a-rare-case-of-malignant-solitary-fibrous-tumor-in-prostate-with-review-of-the-literature
#4
Andrea Ronchi, Elvira La Mantia, Vincenzo Gigantino, Sisto Perdonà, Marco De Sio, Gaetano Facchini, Renato Franco, Annarosaria De Chiara
BACKGROUND: Solitary fibrous tumor is an uncommon soft tissue neoplasm with intermediate biological behavior, which rarely metastasizes. Malignant solitary fibrous tumor, although not clearly defined, is rarely described in the prostate. The present case is characterized by some peculiarities if compared with previously reported cases of prostatic malignant solitary fibrous tumor. Firstly, it does not show a homogeneous morphology: part of the neoplasm (about 50%) showed the features of a conventional solitary fibrous tumor, while the remaining part showed the features of a malignant solitary fibrous tumor...
July 7, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28679437/individual-and-co-expression-patterns-of-nerve-growth-factor-and-heme-oxygenase-1-predict-shorter-survival-of-gastric-carcinoma-patients
#5
Sang Jae Noh, Kyoung Min Kim, Kyu Yun Jang
BACKGROUND: Nerve growth factor (NGF) is a neurotrophic factor which regulates cell development and proliferation. Recently, it has been suggested that NGF induces heme oxygenase-1 (HO1) expression, and that both NGF and HO1 are involved in the progression of malignant human tumors. However, exact roles of NGF and HO1 in tumorigenesis remain controversial. Therefore, we investigated the expression and correlation of NGF and HO1 in human gastric carcinoma tissues. METHODS: We examined immunohistochemical expression of NGF and HO1 in 167 gastric carcinomas and compared with various prognostic clinicopathological factors...
July 5, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28679403/identification-and-in-silico-characterization-of-p-g380r-substitution-in-fgfr3-associated-with-achondroplasia-in-a-non-consanguineous-pakistani-family
#6
Muhammad Ajmal, Asif Mir, Muhammad Shoaib, Salman Akbar Malik, Muhammad Nasir
BACKGROUND: The dimerization efficiency of FGFR3 transmembrane domain plays a critical role in the formation of a normal skeleton through the negative regulation of bone development. Recently, gain-of-function mutations in the transmembrane domain of FGFR3 has been described associated with an aberrant negative regulation, leading to the development of achondroplasia-group disorders, including achondroplasia (ACH), hypochondroplasia (HCH) and thanatophoric dysplasia (TD). Here, we describe a non-consanguineous Pakistani family with achondroplasia to explain hereditary basis of the disease...
July 5, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28679401/heterotopic-pancreas-in-the-omphalomesenteric-duct-remnant-in-a-9-month-old-girl-a-case-report-and-literature-review
#7
Zitong Zhao, Chiang Khi Sim, Sangeeta Mantoo
BACKGROUND: Heterotopic pancreas most commonly occurs in the upper gastrointestinal tract of adults, usually as an incidental finding. It seldom occurs at the umbilicus, and even rarely in the pediatric age group. CASE PRESENTATION: Here we present a case of heterotopic pancreatic tissue in the omphalomesenteric duct remnant of a 9-month-old baby girl. She presented with redness at the base of the umbilicus associated with occasional mild wetness. A urachal fistula was suspected by ultrasound...
July 5, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28623913/aggressive-natural-killer-cell-leukemia-or-extranodal-nk-t-cell-lymphoma-a-case-with-nasal-involvement
#8
Xiaoke Jin, Youhai Xu, Jun Zhang, Guangxi Li, Dongping Huang, Yuqiong Yang, Hesheng He
BACKGROUND: Aggressive natural killer cell leukemia/lymphoma (ANKL) is a rare and highly aggressive NK cell neoplasm with a short clinical course and poor prognosis and is often misdiagnosed and confused with NK/T cell lymphoma (NKTL), which has a very different prognosis. Here, we present a case with nasal and bone marrow involvement, provide a literature review and make a differential diagnosis. CASE PRESENTATION: A 41-year-old male presented nasal congestion pharyngalgia, palatal perforation, high fever and multiorgan dysfunction...
June 17, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28623908/programmed-death-ligand-1-pd-l1-is-expressed-in-a-significant-number-of-the-uterine-cervical-carcinomas
#9
Opal L Reddy, Peter I Shintaku, Neda A Moatamed
BACKGROUND: The programmed death-1/programmed death-ligand-1 (PD-1/PD-L1) immune regulatory axis has emerged as a promising new target for cancer therapeutics, with lasting responses seen in the treatment of metastatic renal and lung carcinomas, as well as melanomas. As tumor surface expression of PD-L1 has been found to correlate with objective responses to anti-PD-L1 immunotherapies, we investigated the expression of PD-L1 in human cervical tumors and provide an adopted scoring system for the systematic evaluation of PD-L1 staining...
June 17, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28595632/a-comparison-of-gene-expression-profiles-in-patients-with-coronary-artery-disease-type-2-diabetes-and-their-coexisting-conditions
#10
Rui Gong, Menghui Chen, Cuizhao Zhang, Manli Chen, Haibin Li
BACKGROUND: To support a hypothesis that there is an intrinsic interplay between coronary artery disease (CAD) and type 2 diabetes (T2D), we used RNA-seq to identify unique gene expression signatures of CAD, T2D, and coexisting conditions. METHODS: After transcriptome sequencing, differential expression analysis was performed between each disordered state and normal control group. By comparing gene expression profiles of CAD, T2D, and coexisting conditions, common and specific patterns of each disordered state were displayed...
June 8, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28583188/hnf4a-expression-as-a-potential-diagnostic-tool-to-discriminate-primary-gastric-cancer-from-breast-cancer-metastasis-in-a-brazilian-cohort
#11
Patrícia Chaves de Freitas Campos Jucá, Stephany Corrêa, Giselle Maria Vignal, Maria Theresa de Souza Accioly, Suzana Angélica Silva Lustosa, Eliana Abdelhay, Delcio Matos
BACKGROUND: Among the many challenges in cancer diagnosis is the early distinction between metastatic cancer and a secondary tumor. This difficulty stems from the lack of markers that offer high sensitivity and specificity and can be easily applied in routine laboratory work. An example of this challenge is distinguishing gastric metastases originating from breast cancer from a gastric primary tumor. Hepatocyte nuclear factor 4 alpha (HNF4A) has been suggested as a potential marker in these cases...
June 5, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28558797/expression-of-signaling-adaptor-proteins-predicts-poor-prognosis-in-pancreatic-ductal-adenocarcinoma
#12
Lili Wang, Junliang Lu, Huanwen Wu, Li Wang, Xiaolong Liang, Zhiyong Liang, Tonghua Liu
BACKGROUND: Adaptor proteins bridge the gap between cell surface receptors and their downstream signaling elements. The clinicopathological and prognostic values of adaptor proteins remain poorly understood. The purpose of the present study was to explore the expression and prognostic value of three adaptor proteins: GRB2-associated binding protein 2 (GAB2), CRK-like protein (CRKL) and fibroblast growth factor receptor substrate 2 (FRS2) in pancreatic ductal adenocarcinoma (PDAC). METHODS: The expression of GAB2, CRKL, and FRS2 in 77 formalin fixed paraffin embedded (FFPE) samples from 77 PDAC patients, along with three paired fresh PDAC and matched normal tissues from 3 PDAC patients was analyzed by immunohistochemistry and western blot, respectively...
May 30, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28549444/tumor-containing-fragment-number-influences-immunohistochemistry-positive-rate-of-her2-in-biopsy-specimens-of-gastric-cancer
#13
Chen Xu, Yalan Liu, Xiaowen Ge, Dongxian Jiang, Ying Zhang, Yuan Ji, Jun Hou, Jie Huang, Jieakesu Su, Haiying Zeng, Jing Qin, Yingyong Hou
BACKGROUND: HER2 assessment in biopsy specimens of gastric cancer (GC) is challenging because of the intratumoral heterogeneity. False negative results may be get because of limited biopsy material. The aim of this study is to explore how tumor-containing fragment number and biopsy specimen number affect HER2 immunohistochemistry (IHC) positive rate. METHODS: Eight hundred and ninety biopsy specimens and 459 paired resected specimens were collected. IHC staining of HER2 was performed...
May 26, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28532486/erratum-to-cytokeratin7-and-cytokeratin19-expression-in-high-grade-cervical-intraepithelial-neoplasm-and-squamous-cell-carcinoma-and-their-possible-association-in-cervical-carcinogenesis
#14
https://www.readbyqxmd.com/read/28494767/intestinal-differentiated-mucinous-adenocarcinoma-of-the-endometrium-with-sporadic-msi-high-status-a-case-report
#15
Mafalda Trippel, Sara Imboden, Andrea Papadia, Michael D Mueller, Nando Mertineit, Kirsi Härmä, Alina Nicolae, Erik Vassella, Tilman T Rau
BACKGROUND: Intestinal differentiation of primary mucinous adenocarcinoma of the uterine corpus is exceedingly rare in comparison to the approximately 25% rate in endocervical and ovarian mucinous carcinoma. Additionally, little is known about the related genetic and epigenetic alterations, even though large-scale molecular characterisation of the different types of endometrial cancer took place in the TCGA project along the entities defined by the recent WHO classification. CASE PRESENTATION: We present a 62-year-old patient harbouring a primary mucinous carcinoma of the uterine corpus with a morphological resemblance to mucinous colorectal adenocarcinoma...
May 12, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28482911/rapid-development-of-metastatic-pulmonary-calcifications-in-primary-hyperparathyroidism-a-case-report-and-literature-review
#16
Hui-Ming Sun, Fei Chen, Hong-Lin Yin, Xiao-Yong Xu, Hong-Bing Liu, Bei-Lei Zhao
BACKGROUND: Metastatic pulmonary calcification (MPC) is rarely reported in primary hyperparathyroidism, especially MPC develops quickly. We report such a case here with a literature review. CASE PRESENTATION: A 41-year-old woman presented with cough and dyspnea. Data from clinical, radiological, pathological, technetium ((99m)Tc)-methylene diphosphonate (MDP) bone scintillation imaging, and (99m)Tc-methoxy isobutyl isonitrile (MIBI) thyroid imaging were studied...
May 8, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28472972/primary-ewing-s-sarcoma-primitive-neuroectodermal-tumor-of-the-ileum-case-report-of-a-16-year-old-chinese-female-and-literature-review
#17
Teng Li, Fang Zhang, Yarui Cao, Shoubin Ning, Yongmin Bi, Weicheng Xue, Li Ren
BACKGROUND: Ewing's sarcoma (ES) and primitive neuroectodermal tumors (PNET) are closely related tumors. Although soft tissue ES/PNET are common in clinical practice, they are rare in the small intestine. Because of the absence of characteristic clinical symptoms, they are easily misdiagnosed as other benign or malignant diseases. CASE PRESENTATION: Here, we present the case of a 16-year-old female who complained of anemia and interval hematochezia. Her serum test results showed only a slight elevation of CA-125 and a low level of hemoglobin...
May 4, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28464838/primary-extragenital-endometrial-stromal-sarcoma-of-the-lung-first-reported-case-and-review-of-literature
#18
Lara Alessandrini, Francesco Sopracordevole, Giulio Bertola, Simona Scalone, Martina Urbani, Gianmaria Miolo, Tiziana Perin, Fabrizio Italia, Vincenzo Canzonieri
BACKGROUND: Endometrial stromal sarcomas arising in extrauterine and extraovarian sites, in the absence of a primary uterine lesion are quite rare, especially in the absence of endometriosis. They usually present as an abdominal or pelvic mass lesion. CASE PRESENTATION: In 2007, a 45-year-old woman underwent total hysterectomy for in situ squamous cell carcinoma of the cervix. In 2014, an upper left pulmonary lobectomy was performed for a mass, which was provisionally diagnosed as primary carcinosarcoma of the lung...
May 2, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28438212/primary-follicular-dendritic-cell-sarcoma-of-the-urinary-bladder-the-first-case-report-and-potential-diagnostic-pitfalls
#19
Guang-Jie Duan, You-Li Wu, Hui Sun, Lang Lang, Zhi-Wen Chen, Xiao-Chu Yan
BACKGROUND: Extranodal follicular dendritic cell sarcoma (FDCS) is a very rare malignancy with a variable clinical course. It is often not considered and has the potential to result in a misdiagnosis of other common sarcomas or sarcomatoid carcinomas. This is particularly true with the preoperative biopsy specimen, in which the tissue sample is often small. CASE PRESENTATION: A case of FDCS in a 63-year-old woman, arising in the urinary bladder, a previously unreported site, is described...
April 24, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/28420444/case-report-acth-secreting-pituitary-carcinoma-metastatic-to-the-liver-in-a-patient-with-a-history-of-atypical-pituitary-adenoma-and-cushing-s-disease
#20
Amy S Joehlin-Price, Douglas A Hardesty, Christina A Arnold, Lawrence S Kirschner, Daniel M Prevedello, Norman L Lehman
BACKGROUND: Pituitary carcinoma is a rare entity requiring the presence of metastasis to confirm its malignant potential. We report a case of pituitary carcinoma and discuss the diagnosis and management of this lesion in relation to the existing literature. CASE PRESENTATION: The patient is a 51-year-old woman with Cushing's disease and intact adrenal glands who was diagnosed with metastatic pituitary carcinoma to the liver, 29 months after initial resection of an ACTH-secreting primary atypical pituitary adenoma (APA)...
April 18, 2017: Diagnostic Pathology
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