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Atsushi Takano, Hiroshi Nakagomi, Kou Ikegame, Atsushi Yamamoto, Hideki Watanabe, Haruka Nakada, Masayuki Inoue, Hidemitsu Sugai, Michiya Yasutome, Kazushige Furuya, Masao Hada, Yoshiaki Miyasaka, Toshio Oyama, Masao Omata
INTRODUCTION: The over-expression of P53 protein in gallbladder carcinoma is a biomarker correlating with a poor survival. However, the significance of P53 expression in peritumor tissues is unknown. We experienced a case of gallbladder carcinoma where the operative specimen showed over-expression of P53 on the peritumor epithelium, and early recurrence developed at the biliary tract. PRESENTATION OF CASE: A 74-year-old female patient was referred to our hospital due to wall thickening of the gallbladder on ultrasonography...
October 18, 2016: International Journal of Surgery Case Reports
Max Denis, Adriana Gregory, Mahdi Bayat, Robert T Fazzio, Dana H Whaley, Karthik Ghosh, Sejal Shah, Mostafa Fatemi, Azra Alizad
PURPOSE: The purpose of our study is to correlate quantitatively measured tumor stiffness with immunohistochemical (IHC) subtypes of breast cancer. Additionally, the influence of prognostic histologic features (cancer grade, size, lymph node status, and histological type and grade) to the tumor elasticity and IHC profile relationship will be investigated. METHODS: Under an institutional review board (IRB) approved protocol, B-mode ultrasound (US) and comb-push ultrasound shear elastography (CUSE) were performed on 157 female patients with suspicious breast lesions...
2016: PloS One
Jingjie Ge, Chuantao Zuo, Yihui Guan, Zonghui Liang
Primary renal collecting duct carcinoma is an extremely rare neoplasm. We present a case of preoperative collecting duct carcinoma with enhanced MRI and F-FDG PET/CT findings. The MRI and PET imaging showed a round mass in the left kidney, as well as multiple retroperitoneal lesions with slight enhancement and intense FDG uptake, respectively. A left radical nephrectomy was performed. Primary renal collecting duct carcinoma and retroperitoneal lymph node metastases were confirmed histopathologically.
October 21, 2016: Clinical Nuclear Medicine
Ofer Nathan Gofrit, Stephen Frank, Amichay Meirovitz, Hovav Nechushtan, Marina Orevi
AIM: Castrate-resistant prostate cancer (CRPC) often shows histological evidence of neuroendocrine differentiation (NED). To evaluate the extent of NED in patients with CRPC, we used PET/CT with Ga-[DOTA-Tyr]-octreotate (Ga-DOTA-TATE), a somatostatin analog that binds somatostatin receptor 2 with high affinity. This radiotracer is used in imaging of neuroendocrine tumors. METHODS: Twelve patients (mean age, 65 [SD, 12] years) with CRPC were studied. Their mean prostate-specific antigen level at scanning was 85...
October 21, 2016: Clinical Nuclear Medicine
Andrew B Rosenkrantz, Kent P Friedman, Fabio Ponzo, Roy A Raad, Kimberly Jackson, William C Huang, Arjun V Balar
PURPOSE: The aim of this study was to conduct a prospective pilot study comparing the diagnostic performance of MRI alone and F-FDG simultaneous PET/MRI using a diuresis protocol in bladder cancer patients. METHODS: Twenty-two bladder cancer patients underwent F-FDG PET/MRI, using intravenous furosemide and oral hydration for bladder clearance. A radiologist scored probability of tumor in 3 locations (urinary bladder, pelvic lymph nodes, nonnodal pelvis) using 1- to 3-point scale (1 = negative, 2 = equivocal, 3 = definite tumor)...
October 21, 2016: Clinical Nuclear Medicine
Alexis Hugentobler, Laurent Gilbeau, Jean-Noel Talbot, Mathieu Gauthé
Breast cancer is approximately 100 times less common among men. Estrogen-related receptor α was detected in human prostate cancer tissue, and androgen receptors are expressed in both normal and malignant breast tissue. Thus, prostate cancer hormonal therapy may increase breast cancer risk. A 67-year-old man with prostate cancer history presented with rising prostate-specific antigen level. F-Fluorocholine PET/CT showed intense uptake in his right breast and moderate uptake in right axillary lymph node. Complementary F-FDG PET/CT demonstrated more intense tracer uptakes in both the right breast and axillary lymph node...
October 21, 2016: Clinical Nuclear Medicine
Clément Drouet, Olivier Morel, Hatem Boulahdour
FDG PET/CT has high sensitivity and specificity for the detection of distant metastases from cutaneous melanoma. Imaging is recommended for patients with clinical suspicion of metastasis and should be considered for those with confirmed sentinel lymph node metastasis. Metastatic melanoma bears a poor prognosis. Only a complete resection improves survival, which explains the need to detect potentially unresectable disease, and most metastatic patients are ineligible for a curative surgical procedure. Here, FDG PET/CT demonstrated isolated bilateral adrenal metastases from melanoma of unknown primary...
October 21, 2016: Clinical Nuclear Medicine
Julia Reinfelder, Torsten Kuwert, Michael Beck, James C Sanders, Philipp Ritt, Christian Schmidkonz, Peter Hennig, Olaf Prante, Michael Uder, Bernd Wullich, Peter Goebell
AIM: Prostate-specific membrane antigen (PSMA) is overexpressed in most prostate cancers (PCs). Here, we report our first experience using the Tc-labeled PSMA inhibitor MIP-1404 (Progenics Pharmaceuticals, Inc, Tarrytown, NY) in 60 patients with biochemically recurrent PC. METHODS: Whole-body planar scintigraphy and SPECT/CT of the lower abdominal pelvic region of 60 patients with biochemical relapse of PC were analyzed retrospectively. In these subjects, an average dose of 733...
October 21, 2016: Clinical Nuclear Medicine
Li Wang, Yakui Mou, Deping Meng, Yan Sun, Xiumei Chen, Xin Yang, Chuanliang Jia, Xicheng Song, Xuezhong Li
OBJECTIVE: MicroRNAs play an important role in regulating hypopharyngeal cancer development. miR-203 has been previously shown to possess anti-tumor capabilities in many cancers, but not in hypopharyngeal cancer. DESIGN: Using human normal and hypopharyngeal cancer specimens, we explored the expression levels of miR-203 in the two groups, and further correlated them with different stages of cancer and lymph node metastasis. SETTING AND PARTICIPANTS: Applying human pharynx FaDu cancer cells and lentiviral transduction technique, we investigated the effects of miR-203 on cancer cell viability, migration and invasion...
October 24, 2016: Clinical Otolaryngology
L Soylu, O U Aydin, S Ozbas, B Bilezikci, S Ilgan, A Gursoy, S Kocak
OBJECTIVE: Papillary thyroid carcinoma (PTC) may often appear as multifocal disease. Few studies demonstrated a higher rate of central compartment lymph node metastasis (CCLNM) in multifocal PTC patients. Therefore, the effect of different histological subtypes of multifocal PTC on CCLNM is another subject for further examination. The aim of the present study is to evaluate the rate of central lymph node positivity in multifocal PTC as compared to unifocal disease, and to identify the role of different histologic subtypes of PTC on central neck lymph node positivity...
October 2016: European Review for Medical and Pharmacological Sciences
J-P Yang, X-J Yang, L Xiao, Y Wang
OBJECTIVE: To investigate long noncoding RNA PVT1 expression in the serum of cervical cancer patients, and to evaluate serum PVT1 level as a diagnostic biomarker for cervical cancer. PATIENTS AND METHODS: Eighty-eight cervical cancer patients, 64 cervical intraepithelial neoplasia patients, 25 breast cancer patients, 25 ovarian cancer patients, and 111 healthy control subjects were enrolled into this study. PVT1 serum level in these participants and PVT1 expression in 20 pairs of cervical cancer tissues and adjacent paired normal tissues was measured by quantitative reverse transcription-polymerase chain reaction...
October 2016: European Review for Medical and Pharmacological Sciences
Y-F Wang, S Zhang, X-Q Li, Y Wang
OBJECTIVE: To investigate Long non-coding RNA HULC (HULC) expression in cervical cancer and to evaluate its clinical significance. PATIENTS AND METHODS: HULC expression in 244 pairs of human cervical cancer and adjacent normal tissues was detected by real-time quantitative RT-PCR assay. The correlation between HULC and clinicopathological factors was also evaluated. The clinical and prognostic significance of HULC expression was analyzed statistically by Kaplan-Meier estimate and Cox regression model...
October 2016: European Review for Medical and Pharmacological Sciences
Chunhao Niu, Xiaoying Sun, Weijing Zhang, Han Li, Liqun Xu, Jun Li, Benke Xu, Yanna Zhang
BACKGROUND: There is an abnormal expression of nuclear receptor subfamily 2 group F member 6 (NR2F6) in human cancers such as breast cancer, colon cancer, and acute myelogenous leukemia. However, its clinical significance in cervical cancer has not been established. We explored NR2F6 expression and its clinicopathological significance in early-stage cervical cancer. METHODS: NR2F6 expression in cervical cancer cell lines and cervical cancer tissues was determined by Western blotting, real-time PCR, and immunochemistry (IHC)...
October 20, 2016: International Journal of Molecular Sciences
Aleksandra Korniluk, Joanna Kamińska, Paweł Kiszło, Halina Kemona, Violetta Dymicka-Piekarska
CONTEXT: Selectins probably participate in the interactions between platelets and other inflammatory cells in cancer invasion and metastasis formation. We assessed a potential relationship of P-, L- and E-selectin in colorectal cancer patients in relation to tumour advancement according to TNM classification, and tumour location. MATERIALS AND METHODS: The study group was composed of 53 CRC patients and 25 healthy subjects. Plasma levels of soluble P-, L- and E-selectins were measured using the immunoenzymatic method with Quantikine kits (R&D Systems)...
October 24, 2016: Biomarkers: Biochemical Indicators of Exposure, Response, and Susceptibility to Chemicals
Dong Hoon Suh, Miseon Kim, Hak Jae Kim, Kyung Hun Lee, Jae Weon Kim
In 2015, fourteen topics were selected as major research advances in gynecologic oncology. For ovarian cancer, high-level evidence for annual screening with multimodal strategy which could reduce ovarian cancer deaths was reported. The best preventive strategies with current status of evidence level were also summarized. Final report of chemotherapy or upfront surgery (CHORUS) trial of neoadjuvant chemotherapy in advanced stage ovarian cancer and individualized therapy based on gene characteristics followed...
November 2016: Journal of Gynecologic Oncology
Margaret L Pfeiffer, Omar K Ozgur, Jeffrey N Myers, Andrew Peng, Jing Ning, Mark E Zafereo, Sudip Thakar, Bradley Thuro, Victor G Prieto, Merrick I Ross, Bita Esmaeli
BACKGROUND: We sought to update our prior report of findings on sentinel lymph node biopsy (SLNB) and predictors of a positive SLN in patients with conjunctival or eyelid melanoma. METHODS: We reviewed the records of all patients with ocular adnexal melanoma who underwent SLNB at one institution during 2000-2015. We determined rates of positive and false-negative findings on SLNB, primary tumour features correlated with positive findings and rate of nodal recurrence (false-negative event) after negative findings...
October 24, 2016: Acta Ophthalmologica
Rodrigo C Silva, Virgínia B Richini-Pereira, Mariana Kikuti, Pâmela M Marson, Helio Langoni
BACKGROUND: Canine Visceral Leishmaniasis (CVL) is a worldwide parasitic zoonosis caused by Leishmania (Leishmania) infantum around the world. Canids are the definitive hosts and sand flies the intermediate hosts. OBJECTIVE: To test the hypothesis that a new set of species-specific primers (Lch14:Lch15, targeting a multiple alignment for L. infantum kDNA minicircle) is an efficient diagnostic tool for routine and epidemiological studies regarding L. infantum. METHODS: The presence of L...
October 24, 2016: Veterinary Quarterly
M M F Aubuchon, L J J Bolt, M L G Janssen-Heijnen, S T H P Verleisdonk-Bolhaar, A van Marion, C L H van Berlo
BACKGROUND: Malignant melanoma (MM) is the most aggressive type of skin cancer, accounting for 90% of all the skin cancer mortality. The objective of this study was providing an overview of current patient- and tumour characteristics, treatment strategies, complications and survival in patients with MM over the past ten years. Hereby, an up-to-date view of every day clinical practice is obtained. METHODS: Files of patients treated for primary cutaneous melanoma (n = 686) in the VieCuri Medical Centre in the Netherlands between January 2002 and December 2013 were retrospectively reviewed...
October 23, 2016: Acta Chirurgica Belgica
S Palladino, M A Keyerleber, R G King, K E Burgess
BACKGROUND: Apocrine gland adenocarcinoma of the anal sac (AGAAS) is associated with high rates of iliosacral lymph node metastasis, which may influence treatment and prognosis. Magnetic resonance imaging (MRI) recently has been shown to be more sensitive than abdominal ultrasound examination (AUS) in affected patients. OBJECTIVE: To compare the rate of detection of iliosacral lymphadenomegaly between AUS and computed tomography (CT) in dogs with AGAAS. ANIMALS: Cohort A: A total of 30 presumed normal dogs...
October 24, 2016: Journal of Veterinary Internal Medicine
Seo Ki Kim, Jung-Woo Woo, Inhye Park, Jun Ho Lee, Jun-Ho Choe, Jung-Han Kim, Jee Soo Kim
PURPOSE: The da Vinci surgical robot system was developed to overcome the weaknesses of endoscopic surgery. However, whether robotic surgery is superior to endoscopic surgery remains uncertain. Therefore, the purpose of this study was to compare the surgical and oncologic outcomes between endoscopic and robotic thyroidectomy using bilateral axillo-breast approach (BABA). METHODS: Between January 2008 and June 2015, papillary thyroid carcinoma patients who underwent thyroidectomy with central neck dissection using endoscopic (n = 480) or robotic (n = 705) BABA were primarily reviewed...
October 24, 2016: Langenbeck's Archives of Surgery
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