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https://www.readbyqxmd.com/read/29781194/paraneoplastic-autoimmune-encephalitis-associated-with-pleomorphic-lung-carcinoma-an-autopsy-case-report
#1
Takashi Ando, Yoji Goto, Kazuo Mano, Fumio Nomura, Masako Kurashige, Masafumi Ito, Maya Mimuro, Yasushi Iwasaki, Masahisa Katsuno, Mari Yoshida
A 64-year-old man was admitted with acute onset disturbed consciousness. Cerebrospinal fluid analysis revealed pleocytosis and elevated protein, with negative cultures and PCR. Serum antibodies for autoimmune encephalitis were also negative. Brain magnetic resonance imaging (MRI) was unremarkable, but whole-body CT scan showed a tumor in the left lower lung lobe. Bronchial brush cytology demonstrated clusters of malignant cells, and 18 F-fluorodeoxyglucose positron emission tomography showed multiple lesions and increased uptake in the lung tumor...
May 20, 2018: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/29762256/computed-tomography-perfusion-measurements-in-renal-lesions-obtained-by-bayesian-estimation-advanced-singular-value-decomposition-deconvolution-maximum-slope-and-patlak-models-intermodel-agreement-and-diagnostic-accuracy-of-tumor-classification
#2
Dominik Deniffel, Timothé Boutelier, Aissam Labani, Mickael Ohana, Daniela Pfeiffer, Catherine Roy
OBJECTIVES: The aims of this study were to evaluate the agreement of computed tomography (CT)-perfusion parameter values of the normal renal cortex and various renal tumors, which were obtained by different mathematical models, and to evaluate their diagnostic accuracy. MATERIALS AND METHODS: Perfusion imaging was performed prospectively in 35 patients to analyze 144 regions of interest of the normal renal cortex and 144 regions of interest of renal tumors, including 21 clear-cell renal cell carcinomas (RCC), 6 papillary RCCs, 5 oncocytomas, 1 chromophobe RCC, 1 angiomyolipoma with minimal fat, and 1 tubulocystic RCC...
May 14, 2018: Investigative Radiology
https://www.readbyqxmd.com/read/29757571/localized-chromophobe-renal-cell-carcinoma-preoperative-imaging-judgment-and-laparoscopic-simple-enucleation-for-treatment
#3
Wenbiao Ren, Bichen Xue, Jiandong Qu, Longfei Liu, Chao Li, Xiongbing Zu
OBJECTIVE: To evaluate the preoperative imaging manifestation and therapeutic effect of laparoscopic simple enucleation (SE) for localized chromophobe renal cell carcinoma (chRCC). MATERIALS AND METHODS: Clinical data of 36 patients who underwent laparoscopic SE of localized chRCC at our institute were retrospectively analyzed. All patients underwent preoperative renal protocol CT (unenhanced, arterial, venous, and delayed images). CT scan characteristics were evaluated...
April 30, 2018: International Braz J Urol: Official Journal of the Brazilian Society of Urology
https://www.readbyqxmd.com/read/29752278/identification-and-validation-of-radiographic-enhancement-for-reliable-differentiation-of-cd117-benign-renal-oncocytoma-and-chromophobe-renal-cell-carcinoma
#4
Jay Amin, Bo Xu, Shervin Badkhshan, Terrance T Creighton, Daniel Abbotoy, Christine Murekeyisoni, Kristopher Attwood, Thomas Schwaab, Craig Hendler, Michael Petroziello, Charles L Roche, Eric C Kauffman
PURPOSE: The diagnostic differential for CD117/KIT(+) oncocytic renal tumor biopsies is limited to benign renal oncocytoma (RO) vs. chromophobe renal cell carcinoma (ChRCC), however further differentiation is often challenging and requires surgical resection.  We investigated clinical variables that might improve preoperative differentiation of CD117(+) RO vs. ChRCC to avoid the need for benign tumor resection. EXPERIMENTAL DESIGN: 124 nephrectomy patients from a single institute with 133 RO or ChRCC tumors were studied...
May 11, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29715308/analysis-of-dual-energy-spectral-ct-and-pathological-grading-of-clear-cell-renal-cell-carcinoma-ccrcc
#5
Jinyan Wei, Jianhong Zhao, Xueling Zhang, Dan Wang, Wenjuan Zhang, Zhiping Wang, Junlin Zhou
OBJECTIVE: To discuss the dual energy spectral computer tomography (CT) imaging features of the pathological grading of clear cell renal cell carcinoma (ccRCC) and the correlation between spectral CT imaging features and pathology. MATERIALS AND METHODS: We performed analyses of 62 patients with confirmed diagnosis of ccRCC. All patients underwent non-enhanced CT and dual-phase (cortex phase, CP and parenchyma phase, PP) contrast-enhanced CT with dual energy spectral mode...
2018: PloS One
https://www.readbyqxmd.com/read/29655853/total-saponins-of-albiziae-cortex-show-anti-hepatoma-carcinoma-effects-by-inducing-s-phase-arrest-and-mitochondrial-apoptosis-pathway-activation
#6
Yi Qian, Qing-Hua Han, Li-Chao Wang, Qiang Guo, Xu-Da Wang, Peng-Fei Tu, Ke-Wu Zeng, Hong Liang
ETHNOPHARMACOLOGICAL RELEVANCE: Albiziae Cortex (AC) is a widely used traditional medicine in China. It is possess various properties to treat insomnia, traumatic injuries, diuresis, sthenia, and confusion. Total saponins of Albiziae Cortex (TSAC) are the most abundant bioactive components of AC, which were reported to show significant anti-tumor effects in vivo and in vitro. But the underlying mechanism of TSAC remained to be revealed. AIM OF STUDY: In this study, we investigated the anti- hepatoma carcinoma effects and the potential mechanism of TSAC in vivo and in vitro...
April 12, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29655687/the-inhibitory-potential-of-broussochalcone-a-for-the-human-cytochrome-p450-2j2-isoform-and-its-anti-cancer-effects-via-foxo3-activation
#7
See-Hyoung Park, Jongsung Lee, Jong Cheol Shon, Nguyen Minh Phuc, Jun Goo Jee, Kwang-Hyeon Liu
BACKGROUND: Broussonetia papyrifera (L.) Ventenat, a traditional medicinal herb, has been applied as a folk medicine to treat various diseases. Broussochalcone A (BCA), a chalcone compound isolated from the cortex of Broussonetia papyrifera (L.) Ventenat, exhibits several biological activities including potent anti-oxidant, antiplatelet, and cytotoxic effects. PURPOSE: The purpose of this study is to elucidate the inhibitory effect of BCA against CYP2J2 enzyme which is predominantly expressed in human tumor tissues and carcinoma cell lines...
March 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29620584/endometrial-carcinoma-with-an-unusual-morphology-in-a-patient-with-cornelia-de-lange-syndrome-a-case-study
#8
Keisei Tate, Hiroshi Yoshida, Mitsuya Ishikawa, Hanako Shimizu, Takashi Uehara, Tomoyasu Kato
Cornelia de Lange syndrome (CdLS) is a cohesinopathy, which is characterized by multiple structural anomalies as well as mental and growth retardation. A 36-yr-old nulliparous woman with oligomenorrhea was referred to us due to a mass in the uterine corpus. She had been clinically diagnosed with CdLS during infancy based on her specific facial features as well as growth and intellectual retardation. Imaging examinations and an endometrial biopsy revealed endometrial endometrioid carcinoma and polycystic ovary syndrome (PCOS)...
April 3, 2018: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29604208/silencing-of-med27-inhibits-adrenal-cortical-carcinogenesis-by-targeting-the-wnt-%C3%AE-catenin-signaling-pathway-and-the-epithelial-mesenchymal-transition-process
#9
Hongchao He, Jun Dai, Xiaoqun Yang, Xiaojing Wang, Fukang Sun, Yu Zhu
This study aimed to explore the effect of MED27 on the expression of epithelial-mesenchymal transition (EMT)-related proteins and β-catenin in adrenal cortex carcinoma (ACC). The functional mechanism of MED27 on ACC processes was also explored. The expression of MED27 was assessed by quantitative real-time polymerase chain reaction (qRT-PCR). siRNA was utilized to knockdown the expression of MED27. CCK8 assays were performed to evaluate SW-13 cell proliferation. Transwell assays were performed to assess the invasion ability, and wound healing assays were utilized to detect migration...
December 20, 2017: Biological Chemistry
https://www.readbyqxmd.com/read/29577440/intensity-ratio-curve-analysis-of-small-renal-masses-on-t2-weighted-magnetic-resonance-imaging-differentiation-of-fat-poor-angiomyolipoma-from-renal-cell-carcinoma
#10
Shingo Moriyama, Soichiro Yoshida, Hajime Tanaka, Hiroshi Tanaka, Minato Yokoyama, Junichiro Ishioka, Yoh Matsuoka, Kazutaka Saito, Kazunori Kihara, Yasuhisa Fujii
OBJECTIVES: To assess the diagnostic ability of a pixel intensity-based analysis in evaluating the magnetic resonance imaging characteristics of small renal masses, especially in differentiating fat-poor angiomyolipoma from renal cell carcinoma. METHODS: T2-weighted images from 121 solid small renal masses (<4 cm) without visible fat (14 fat-poor angiomyolipomas, 92 clear cell renal cell carcinomas, six chromophobe renal cell carcinomas and nine papillary renal cell carcinomas) were retrospectively evaluated...
March 25, 2018: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/29462024/characterization-of-small-renal-tumors-with-magnetic-resonance-elastography-a-feasibility-study
#11
Davide Prezzi, Radhouene Neji, Christian Kelly-Morland, Hema Verma, Tim OʼBrien, Ben Challacombe, Archana Fernando, Ashish Chandra, Ralph Sinkus, Vicky Goh
OBJECTIVES: The aim of this study was to explore the feasibility of magnetic resonance elastography (MRE) for characterizing indeterminate small renal tumors (SRTs) as part of a multiparametric magnetic resonance (MR) imaging protocol. MATERIALS AND METHODS: After institutional review board approval and informed consent were obtained, 21 prospective adults (15 men; median age, 55 years; age range, 25-72 years) with SRT were enrolled. Tumors (2-5 cm Ø) were imaged using 3-directional, gradient echo MRE...
June 2018: Investigative Radiology
https://www.readbyqxmd.com/read/29461221/bilateral-adrenocortical-carcinoma-case-report-and-review-of-literature
#12
D Nikoleishvili, G Koberidze, M Kutateladze, G Zumbadze, A Mariamidze
Adrenocortical carcinoma is a very rare and aggressive endocrinological malignancy arising from the adrenal cortex. The estimated incidence is 1 per million people, with an estimated 5-year survival rate of 16-47%. It can be bilateral in roughly 2-10% of cases, but the data is scarce and there is no conclusive evidence whether the contralateral mass is an independent tumor or a metastasis from the other adrenal gland cancer. Radical surgical excision is the only curative treatment. Therefore, careful pre- and intraoperative surgical planning is critically important...
January 2018: Georgian Medical News
https://www.readbyqxmd.com/read/29378278/renal-pseudo-tumor-related-to-renal-splenosis-imaging-features
#13
Mickael Tordjman, David Eiss, Jonathan Dbjay, Adeline Crosnier, Eva Comperat, Jean-Michel Correas, Nicolas De Saint Aubert, Olivier Helenon
OBJECTIVE: To report the case of a 29-year-old patient presenting with renal splenosis along with a complete review of literature on this condition. Splenosis is a frequent condition following abdominal trauma or splenectomy, described as splenic tissue that autotransplants into a heterotopic location. However, renal splenosis is rare and often mistaken with renal carcinoma. MATERIALS AND METHODS: The patient was initially referred to our department for a renal mass incidentally discovered on ultrasound...
April 2018: Urology
https://www.readbyqxmd.com/read/29371925/the-glucose-and-lipid-metabolism-reprogramming-is-grade-dependent-in-clear-cell-renal-cell-carcinoma-primary-cultures-and-is-targetable-to-modulate-cell-viability-and-proliferation
#14
Cristina Bianchi, Chiara Meregalli, Silvia Bombelli, Vitalba Di Stefano, Francesco Salerno, Barbara Torsello, Sofia De Marco, Giorgio Bovo, Ingrid Cifola, Eleonora Mangano, Cristina Battaglia, Guido Strada, Giuseppe Lucarelli, Robert H Weiss, Roberto A Perego
Clear cell renal cell carcinoma (ccRCC) has a poor prognosis despite novel biological targeted therapies. Tumor aggressiveness and poor survival may correlate with tumor grade at diagnosis and with complex metabolic alterations, also involving glucose and lipid metabolism. However, currently no grade-specific metabolic therapy addresses these alterations. Here we used primary cell cultures from ccRCC of low- and high-grade to investigate the effect on energy state and reduced pyridine nucleotide level, and on viability and proliferation, of specific inhibition of glycolysis with 2-deoxy-D-glucose (2DG), or fatty acid oxidation with Etomoxir...
December 26, 2017: Oncotarget
https://www.readbyqxmd.com/read/29371329/development-of-new-preclinical-models-to-advance-adrenocortical-carcinoma-research
#15
Katja Kiseljak-Vassiliades, Yu Zhang, Stacey M Bagby, Adwitiya Kar, Nikita Pozdeyev, Mei Xu, Katherine Gowan, Vibha Sharma, Christopher D Raeburn, Maria Albuja-Cruz, Kenneth L Jones, Lauren Fishbein, Rebecca E Schweppe, Hilary Somerset, Todd M Pitts, Stephen Leong, Margaret E Wierman
Adrenocortical cancer (ACC) is an orphan malignancy that results in heterogeneous clinical phenotypes and molecular genotypes. There are no curative treatments for this deadly cancer with 35% survival at five years. Our understanding of the underlying pathobiology and our ability to test novel therapeutic targets has been limited due to the lack of preclinical models. Here, we report the establishment of two new ACC cell lines and corresponding patient-derived xenograft (PDX) models. CU-ACC1 cell line and PDX were derived from a perinephric metastasis in a patient whose primary tumor secreted aldosterone...
April 2018: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29283337/oncocytic-adreno-cortical-tumors-pathological-features-of-16-cases-and-review-of-the-literature
#16
REVIEW
Yesim Ertan, Asuman Argon, Murat Özdemir, Banu Pınar Sarer Yürekli, Zafer Dökümcü, Özer Makay
Oncocytic neoplasms of the adrenal gland are extremely rare tumors. These tumors differ from their nononcocytic counterparts in some respects. The aim of this study was to review and discuss the clinical, histological, and immunohistochemical features of as well as the prognosis for these rare tumors. In total, 16 cases diagnosed as adrenocortical oncocytic neoplasms between January 2011 and December 2016 were included in the study. The demographic data, gross characteristics, histological data, and immunohistochemical data (Chromogranin-A, Synaptophysin, α-Inhibin, Melan-A, Ki67, PHH3) were reevaluated...
2017: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/29260252/-functional-diagnostics-in-endocrinology
#17
REVIEW
C J Auernhammer, M Reincke
When investigating many endocrinological diseases, basal laboratory parameters are not sufficient to distinguish between physiological and pathological hormone secretion. Functional diagnostics plays a decisive role in this context. Stimulation and suppression tests are used depending on whether under- or over-function needs to be diagnosed. This review article discusses selected functional tests, each of which plays an important role in current guidelines. Indications and test principles, including their performance, reliability, and limitations, are discussed...
January 2018: Der Internist
https://www.readbyqxmd.com/read/29205368/cyclic-amp-dependent-protein-kinase-catalytic-subunit-a-prkaca-the-expected-the-unexpected-and-what-might-be-next
#18
Constantine A Stratakis
Protein kinase A (PKA) or cyclic-AMP (cAMP)-dependent kinase was among the first serine-threonine kinases to be molecularly and functionally characterized. For years, it was investigated as the enzyme that mediates cAMP functions in almost all cell systems and organisms studied to date. Despite PKA's critical role in signaling and the long history of investigations of cAMP in oncogenesis (dating back to the 1970s), it was not until relatively recently that PKA defects were found to be directly involved in tumor predisposition...
March 2018: Journal of Pathology
https://www.readbyqxmd.com/read/29197012/co-culture-of-h295r-adrenocortical-carcinoma-and-bewo-choriocarcinoma-cells-to-study-feto-placental-interactions-focus-on-estrogen-biosynthesis
#19
Andrée-Anne Hudon Thibeault, J Thomas Sanderson, Cathy Vaillancourt
Estrogens are produced in large amounts during pregnancy, as a result of a tightly regulated cooperation between the maternal and fetal adrenal cortex, which produce androgen precursors, and the placental villous trophoblast, which transforms these precursors into estrogens. These estrogens play an important role in proper placental function, in adaptation of the mother to pregnancy, as well as in adequate fetal development. Disruption of estrogen production is associated with poor pregnancy outcomes and fetal malformation or altered fetal programming...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29192420/use-of-a-levonorgestrel-releasing-intrauterine-device-for-menorrhagia-treatment-during-adjuvant-therapy-of-adrenocortical-carcinoma-with-mitotane
#20
Piotr Robert Szkodziak, Piotr Czuczwar, Sławomir Woźniak, Filip Szkodziak, Tomasz Paszkowski
Adrenocortical carcinoma is a rare tumour with high malignancy and poor prognosis. This tumour is rarely diagnosed in the reproductive age. Complete surgical resection is the only curative treatment for adrenal cancer in all stages. After surgery adjuvant chemotherapy is required. Mitotane is the most important drug in adrenal cancer chemotherapy. Mitotane's mode of action is not entirely explained. Animal studies have shown that the substance exerts a direct cytotoxic effect on the cells of the adrenal cortex...
2017: Ginekologia Polska
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