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Ductal adenocarcinoma of the prostate

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https://www.readbyqxmd.com/read/28537879/increased-expression-of-calponin-2-is-a-positive-prognostic-factor-in-pancreatic-ductal-adenocarcinoma
#1
Zhaoyan Qiu, Yi Chu, Bing Xu, Qian Wang, Mingzuo Jiang, Xiaowei Li, Gang Wang, Pengfei Yu, Guoxiao Liu, Hua Wang, Huijie Kang, Jiayu Liu, Yu Zhang, Jian-Ping Jin, Kaichun Wu, Jie Liang
Calponin 2 plays an important role in regulating actin cytoskeleton, which is critical for cell division and migration. Previous studies have demonstrated that calponin 2 inhibits prostate cancer cell proliferation and metastasis. However, the role of calponin 2 in pancreatic tumor growth, metastasis and patient survival remains unclear. Here, we demonstrate that the level of calponin 2 is a positive prognostic factor for patients with pancreatic ductal adenocarcinoma (PDAC). Patients with high calponin 2 expression in the tumor presented less lymph node metastasis and longer survival...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28457729/genetic-profile-of-ductal-adenocarcinoma-of-the-prostate
#2
Amanda H Seipel, Thomas Whitington, Brett Delahunt, Hemamali Samaratunga, Markus Mayrhofer, Peter Wiklund, Henrik Grönberg, Johan Lindberg, Lars Egevad
Despite being discovered almost 50years ago little is known regarding the genetic profile of ductal adenocarcinoma of the prostate (DAC). In recent years, progress has been made in the understanding of the genetics of acinar adenocarcinomas and at least seven genetically different subtypes have been identified. DAC is known to present at an advanced stage with a high rate of extraprostatic extension and seminal vesicle invasion, and a decreased interval to biochemical recurrence and the development of metastatic disease, when compared to acinar adenocarcinoma...
April 27, 2017: Human Pathology
https://www.readbyqxmd.com/read/28428707/advanced-pancreatic-ductal-adenocarcinoma-complexities-of-treatment-and-emerging-therapeutic-options
#3
REVIEW
Chandra Diwakarla, Katherine Hannan, Nadine Hein, Desmond Yip
Pancreatic ductal adenocarcinoma is a devastating disease with a poor prognosis regardless of stage. To date the mainstay of therapy for advanced disease has been chemotherapy with little incremental improvements in outcome. Despite extensive research investigating new treatment options the current practices continue to utilise fluorouracil or gemcitabine containing combinations. The need for novel therapeutic approaches is mandated by the ongoing poor survival rates associated with this disease. One such approach may include manipulation of ribosome biogenesis and the nucleolar stress response, which has recently been applied to haematological malignancies such as lymphoma and prostate cancer with promising results...
April 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28393575/using-circulating-cell-free-dna-to-monitor-personalized-cancer-therapy
#4
Michael Oellerich, Ekkehard Schütz, Julia Beck, Philipp Kanzow, Piers N Plowman, Glen J Weiss, Philip D Walson
High-quality genomic analysis is critical for personalized pharmacotherapy in patients with cancer. Tumor-specific genomic alterations can be identified in cell-free DNA (cfDNA) from patient blood samples and can complement biopsies for real-time molecular monitoring of treatment, detection of recurrence, and tracking resistance. cfDNA can be especially useful when tumor tissue is unavailable or insufficient for testing. For blood-based genomic profiling, next-generation sequencing (NGS) and droplet digital PCR (ddPCR) have been successfully applied...
May 2017: Critical Reviews in Clinical Laboratory Sciences
https://www.readbyqxmd.com/read/28362706/prostate-ductal-adenocarcinoma
#5
Ali Amin
Prostate ductal adenocarcinoma (PDA) is a rare subtype of prostate adenocarcinoma that shows more aggressive behavior than conventional prostatic acinar adenocarcinoma. PDA demonstrates similar clinical and paraclinical features such as prostatic acinar adenocarcinoma; therefore, clinical distinction of the 2 entities is very difficult (if not impossible) and histopathology plays an important role in the diagnosis of the disease. This review discusses all the necessary information needed for the diagnosis and prognosis of PDA including the morphologic features of PDA, an introduction about the known variants of PDA with helpful hints in grading of each variant, tips on differential diagnosis of PDA from the common morphologic mimickers, a detailed discussion on the value of immunohistochemistry in the diagnosis of PDA, and pathologic features that are helpful in determining the outcome...
March 30, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28325365/macrocystic-ductal-adenocarcinoma-of-prostate-a-rare-gross-appearance-of-prostate-cancer
#6
Fumiyoshi Kojima, Hiroyuki Koike, Ibu Matsuzaki, Yoshifumi Iwahashi, Kenji Warigaya, Masakazu Fujimoto, Kazuo Ono, Youji Urata, Yasuo Kohjimoto, Isao Hara, Shin-Ichi Murata
Macroscopic cyst-formation by prostatic adenocarcinoma, herein referred to as macrocystic prostatic adenocarcinoma (MPA), is extremely rare. To date, no studies of prostate cancer performed based on gross cystic appearance have been reported. MPA can include various diseases, one of which is cystadenocarcinoma. Several cases of ductal adenocarcinoma exhibiting a macrocystic appearance have recently been reported; however, the histological and clinicopathological characteristics of MPAs have yet to be characterized and established...
April 2017: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/28287433/theranostic-value-of-multimers-lessons-learned-from-trimerization-of-neurotensin-receptor-ligands-and-other-targeting-vectors
#7
Simone Maschauer, Jürgen Einsiedel, Dominik Reich, Harald Hübner, Peter Gmeiner, Hans-Jürgen Wester, Olaf Prante, Johannes Notni
Neurotensin receptor 1 (NTS1) is overexpressed on a variety of cancer entities; for example, prostate cancer, ductal pancreatic adenocarcinoma, and breast cancer. Therefore, it represents an interesting target for the diagnosis of these cancers types by positron emission tomography (PET) [...].
March 10, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28216939/prostatic-intraepithelial-neoplasia-like-ductal-prostatic-adenocarcinoma-a-case-suitable-for-active-surveillance
#8
Soroush Rais-Bahrami, Melissa R Dillard, Grace G Zhu, Jennifer B Gordetsky
In contrast to typical prostatic ductal adenocarcinoma, prostatic intraepithelial neoplasia (PIN)-like ductal adenocarcinoma is a rare variant of prostate cancer with low-grade clinical behavior. We report a case of a 66-year-old African-American male with an elevated serum prostate-specific antigen who underwent multiparametric prostate magnetic resonance imaging (MRI) and MRI/ultrasound fusion-guided biopsies. Pathology demonstrated low-volume Gleason score 3 + 3 = 6 (Grade Group 1), acinar adenocarcinoma involving one core and PIN-like ductal adenocarcinoma on a separate core...
January 2017: Urology Annals
https://www.readbyqxmd.com/read/28159676/transformation-of-prostatic-adenocarcinoma-to-well-differentiated-neuroendocrine-tumor-after-hormonal-treatment
#9
Syed Gilani, Charles C Guo, Elsa M Li-Ning, Curtis Pettaway, Patricia Troncoso
Carcinoid tumor of the prostate is extremely rare. Here we report a unique case of prostate cancer that underwent complete transformation from conventional adenocarcinoma to carcinoid-like tumor shortly after androgen deprivation treatment (ADT). The patient was a 59years old man who presented with lower urinary tract symptoms. His biopsy specimen demonstrated a high-grade prostatic adenocarcinoma with mixed acinar and ductal features. After ADT for 6months, the patient underwent radical prostatectomy. The post-ADT tumor showed monotonous neoplastic cells with fine granular chromatin forming rosette-like structures, resembling a carcinoid tumor...
January 31, 2017: Human Pathology
https://www.readbyqxmd.com/read/28106283/therapeutic-potential-of-curcumin-in-treatment-of-pancreatic-cancer-current-status-and-future-perspectives
#10
Mina Hosseini, Seyed Mahdi Hassanian, Elham Mohammadzadeh, Soodabeh ShahidSales, Mina Maftouh, Hasan Fayazbakhsh, Majid Khazaei, Amir Avan
Pancreatic cancer is among the leading cause of deaths due to cancer with extremely poor prognosis. Gemcitabine is being used in the treatment of patient with pancreatic ductal adenocarcinoma (PDAC), although, the response rate is bellow 12%. A recent phase III trial revealed that FOLFIRINOX could be an option for the treatment of metastatic PDAC patients, although it is associated with increased toxicity. Therefore, identification of novel agents that either improves gemcitabine activity, within novel combinatorial approaches, or with a better efficacy than gemcitabine is warranted...
January 20, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28101029/ductal-adenocarcinoma-of-the-prostate-a-case-report
#11
Yutaro Hayashi, Takashi Kawahara, Hiromichi Iwashita, Kota Shimokihara, Sohgo Tsutsumi, Daiji Takamoto, Taku Mochizuki, Yusuke Hattori, Jun-Ichi Teranishi, Yasuhide Miyoshi, Yasushi Yumura, Masahiro Yao, Yoshiaki Inayama, Hiroji Uemura
Ductal adenocarcinoma is an unusual variant of adenocarcinoma of the prostate. A 73-year-old male was referred to our hospital for the further examination of an elevated prostate-specific antigen level of 23.4 ng/mL. Radical prostatectomy (RP) was performed based on the diagnosis obtained by a prostate needle biopsy. The RP specimen revealed ductal adenocarcinoma of the prostate with positive capsular penetration. We herein report a rare case of ductal adenocarcinoma of the prostate.
September 2016: Case Reports in Oncology
https://www.readbyqxmd.com/read/28100995/a-rare-case-of-intraductal-papillary-mucinous-neoplasm-of-the-biliary-duct-in-a-patient-with-prostate-adenocarcinoma
#12
Ravish Parekh, Gregory Krol, Cyrus Piraka, Surinder Batra
Intraductal papillary mucinous neoplasms (IPMNs) are mucin-producing papillary neoplasms of the pancreatic or biliary ductal system that exhibit variable cellular atypia and cause ductal dilation. There are few reported cases of IPMN arising from the biliary tree in the literature. It has a higher propensity to undergo malignant transformation compared to IPMN arising from the pancreatic duct. An 80-year-old male underwent cross-sectional tomography (CT) imaging of the abdomen for evaluation of prostate adenocarcinoma, which revealed an incidental 2...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/28096201/serum-c-peptide-total-and-high-molecular-weight-adiponectin-and-pancreatic-cancer-do-associations-differ-by-smoking
#13
Leticia M Nogueira, Christina C Newton, Michael N Pollak, Debra T Silverman, Demetrius Albanes, Satu Männistö, Stephanie J Weinstein, Eric J Jacobs, Rachael Z Stolzenberg-Solomon
BACKGROUND: Studies examining associations between circulating concentrations of C-peptide and total adiponectin, two biomarkers related to obesity and insulin secretion and sensitivity and pancreatic ductal adenocarcinoma (PDA) risk have shown inconsistent results and included limited numbers of smokers. METHODS: We examined associations of these biomarkers and high molecular weight (HMW) adiponectin with PDA, overall, and by smoking status. We conducted a pooled nested case-control analysis in 3 cohorts (Prostate, Lung, Colorectal, and Ovarian Cancer Trial, Alpha-Tocopherol, Beta-Carotene Cancer Prevention Study, and Cancer Prevention Study-II), with 758 cases (435 current smokers) and 1052 controls (531 smokers) matched by cohort, age, sex, race, blood draw date and follow-up time...
January 17, 2017: Cancer Epidemiology, Biomarkers & Prevention
https://www.readbyqxmd.com/read/28030797/galeterone-and-its-analogs-inhibit-mnk-eif4e-axis-synergize-with-gemcitabine-impede-pancreatic-cancer-cell-migration-invasion-and-proliferation-and-inhibit-tumor-growth-in-mice
#14
Andrew K Kwegyir-Afful, Francis N Murigi, Puranik Purushottamachar, Vidya P Ramamurthy, Marlena S Martin, Vincent C O Njar
Survival rate for pancreatic cancer (pancreatic ductal adenocarcinoma, PDAC) is poor, with about 80% of patients presenting with the metastatic disease. Gemcitabine, the standard chemotherapeutic agent for locally advanced and metastatic PDAC has limited efficacy, attributed to innate/acquired resistance and activation of pro-survival pathways. The Mnk1/2-eIF4E and NF-κB signaling pathways are implicated in PDAC disease progression/metastasis and also associated with gemcitabine-induced resistance in PDAC...
December 24, 2016: Oncotarget
https://www.readbyqxmd.com/read/27916712/prognostic-significance-of-the-proportion-of-ductal-component-in-ductal-adenocarcinoma-of-the-prostate
#15
Won Sik Jang, Su-Jin Shin, Cheol Yong Yoon, Myung Soo Kim, Dong Hyuk Kang, Yong Jin Kang, Won Sik Jeong, Nam Hoon Cho, Young Deuk Choi
PURPOSE: In prostate cancer ductal adenocarcinoma is mixed with the usual acinar adenocarcinoma. However, to our knowledge whether the proportion of the ductal component affects oncologic outcomes is currently unknown. We investigated whether the proportion of the ductal component predicts oncologic outcomes in ductal adenocarcinoma. MATERIALS AND METHODS: We retrospectively reviewed clinical data on 3,038 patients with prostate cancer who underwent radical prostatectomy at our institution between 2005 and 2014...
December 1, 2016: Journal of Urology
https://www.readbyqxmd.com/read/27872140/primary-cilia-are-increased-in-number-and-demonstrate-structural-abnormalities-in-human-cancer
#16
Binnaz Yasar, Kim Linton, Christian Slater, Richard Byers
AIMS: Primary cilia play an important role in the regulation of cell signalling pathways and are thought to have a role in cancer but have seldom been studied in human cancer samples. METHODS: Primary cilia were visualised by dual immunofluorescence for anti-CROCC (ciliary rootlet coiled-coil) and anti-tubulin in a range of human cancers (including carcinomas of stomach, pancreas, prostate, lung and colon, lobular and ductal breast cancers and follicular lymphoma) and in matched normal tissue (stomach, pancreas, lung, large and small intestines, breast and reactive lymph nodes) samples using a tissue microarray; their frequency, association with proliferation, was measured by Ki-67 staining and their structure was analysed...
November 21, 2016: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/27756888/mismatch-repair-deficiency-may-be-common-in-ductal-adenocarcinoma-of-the-prostate
#17
Michael T Schweizer, Heather H Cheng, Maria S Tretiakova, Funda Vakar-Lopez, Nola Klemfuss, Eric Q Konnick, Elahe A Mostaghel, Peter S Nelson, Evan Y Yu, Bruce Montgomery, Lawrence D True, Colin C Pritchard
Precision oncology entails making treatment decisions based on a tumor's molecular characteristics. For prostate cancer, identifying clinically relevant molecular subgroups is challenging, as molecular profiling is not routine outside of academic centers. Since histologic variants of other cancers correlates with specific genomic alterations, we sought to determine if ductal adenocarcinoma of the prostate (dPC) - a rare and aggressive histopathologic variant - was associated with any recurrent actionable mutations...
December 13, 2016: Oncotarget
https://www.readbyqxmd.com/read/27605089/ductal-spread-versus-high-grade-prostatic-intraepithelial-neoplasia-a-diagnostic-pitfall
#18
Andres M Acosta, Asma Sharif, John V Groth, Andre Kajdacsy-Balla
Ductal spread (DS) of acinar adenocarcinoma of the prostate can lead to an incomplete replacement of the benign epithelium by cancer cells, resulting in a lesion that can be indistinguishable from high-grade prostatic intraepithelial neoplasia (HGPIN). Kovi and colleagues demonstrated 30 years ago that there is a significant association between the presence of DS and local extent of invasive adenocarcinoma, making the distinction between DS and HGPIN clinically relevant. However, despite the existence of certain morphologic features that are suggestive of DS, a definitive differentiation between the aforementioned lesions cannot always be attained...
December 2016: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/27556788/non-prostate-specific-membrane-antigen-avid-metastatic-lung-nodule-from-primary-prostatic-adenocarcinoma
#19
Deepa Shetty, Han Loh, Chuong Bui, Robert Mansberg, Amirazin Hadjashrafi, Viet Do
Ga-prostate-specific membrane antigen (PSMA) PET/CT is increasingly used to evaluate recurrent prostatic malignancy due to its high specificity. A 56-year-old man with previous history of treated prostate cancer 4 years earlier presented with rising prostate-specific antigen level and underwent Ga-PSMA PET/CT, which demonstrated an enlarging pulmonary nodule without PSMA avidity. The pulmonary nodule, however, showed moderate uptake on a corresponding FDG PET/CT study, suspicious of primary lung malignancy...
October 2016: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27518362/early-detection-of-pancreatic-cancer-a-defined-future-using-lessons-from-other-cancers-a-white-paper
#20
Barbara J Kenner, Suresh T Chari, Anirban Maitra, Sudhir Srivastava, Deborah F Cleeter, Vay Liang W Go, Laura J Rothschild, Ann E Goldberg
The implementation of effective early detection programs has significantly improved treatment, prognosis, and life expectancy in breast, prostate, and colorectal cancers. Early-detection methods need to be developed for pancreatic ductal adenocarcinoma (PDAC), where progress during the past decades has remained slow. Addressing this need, the forum "Early Detection: Lessons Learned from Other Cancers" was held in November 2015 and presented by the Kenner Family Research Fund in partnership with the American Pancreatic Association...
September 2016: Pancreas
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