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https://www.readbyqxmd.com/read/27901502/first-report-of-perkinsus-honshuensis-in-the-variegated-carpet-shell-clam-ruditapes-variegatus-in-korea
#1
Hyun-Sil Kang, Hyun-Sung Yang, Kimberly S Reece, Hyun-Ki Hong, Kyung-Il Park, Kwang-Sik Choi
The recent discovery of Perkinsus honshuensis, a new Perkinsus species infecting Manila clams Ruditapes philippinarum (Sowerby, 1852), in Japan, suggested that, based on proximity, P. honshuensis could also be in Korean waters, where to date, P. olseni was believed to be the only Perkinsus species present. Perkinsus sp. infections consistently occurred among Ruditapes variegatus clams on a pebble beach on Jeju Island, off the south coast of Korea. The typical 'signet ring' morphology of the parasite was observed in the connective tissue of the digestive gland, and infection intensity was comparatively low (3...
November 22, 2016: Diseases of Aquatic Organisms
https://www.readbyqxmd.com/read/27898475/pulmonary-signet-ring-cell-adenocarcinoma-metastatic-to-the-skin
#2
Alan S Boyd
Internal malignancies occasionally metastasize to the skin, usually imparting a poor prognosis. In men, pulmonary malignancies are the second most common offending tumor. Roughly, half such lesions are adenocarcinomas. A small subset of pulmonary adenocarcinomas exhibits signet-ring morphology. To date, a cutaneous metastasis arising from a pulmonary signet-ring cell adenocarcinoma has not been reported.
November 23, 2016: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27891617/signet-ring-cell-carcinoma-of-resectable-metastatic-colorectal-cancer-has-rare-surgical-value
#3
Jianfei Fu, Lunpo Wu, Mengjie Jiang, Yinuo Tan, Dan Li, Fei Chen, Ting Jiang, Jinlin Du
BACKGROUND AND OBJECTIVES: Signet ring cell carcinoma (SRCC) is a uniquely separated subgroup in metastatic colorectal cancer (mCRC). The aims are to investigate the value of resection in patients with resectable metastatic signet ring cell colorectal cancer. METHODS: Patients with mCRC who underwent resection in Surveillance, Epidemiology, and End Results database during 1998-2010 were retrospectively analyzed. Kaplan-Meier and COX models were used to analyze the differences in the survival...
November 27, 2016: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27891398/an-unusual-evolution-of-krukenberg-tumour-a-case-report
#4
Claudio Spinelli, Concetta Liloia, Jessica Piscioneri, Clara Ugolini, Silvia Strambi
Krukenberg tumours are rare metastatic tumours of the ovaries characterized by the presence of mucin-producing neoplastic Signet Ring Cell Carcinoma (SRCC). At first glance, this tumour may be confused with a primary ovarian tumour. Surgery and chemotherapy combination have led to improvement in prognosis, but it still remains severe. We report the case of a 60-year-old woman with a Krukenberg tumour rising from a low differentiated gastric adenocarcinoma. The patient was clinically stable for 26 months after surgery until she experienced a prompt decline and died of cerebral haemorrhage within two weeks...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27875858/contemporary-rates-of-pathological-features-and-mortality-for-adenocarcinoma-of-the-urinary-bladder-in-the-usa
#5
Emanuele Zaffuto, Stéphanie Gazdovich, Sami-Ramzi Leyh-Bannurah, Hartwig Huland, Firas Abdollah, Shahrokh F Shariat, Mani Menon, Alberto Briganti, Francesco Montorsi, Pierre I Karakiewicz
OBJECTIVES: To examine contemporary rates of pathological features and mortality for adenocarcinoma of the urinary bladder in the USA using population-based data analysis. METHODS: We relied on 10 024 patients with non-metastatic bladder cancer diagnosed between 2004 and 2013 within the Surveillance, Epidemiology and End Results registries. Logistic regression analyses focused on grade and stage. Kaplan-Meier analyses assessed cancer-specific mortality rates in adenocarcinoma and urothelial carcinoma of the bladder...
November 22, 2016: International Journal of Urology: Official Journal of the Japanese Urological Association
https://www.readbyqxmd.com/read/27873158/feasibility-and-importance-of-enteroscopy-after-gastric-bypass
#6
Dean Keren, H Madi, I Matter, A Assalia, T Rainis
BACKGROUND: Bariatric surgery has increased in popularity, with Roux-en-Y Gastric Bypass (RYGB) being one of the most frequently performed. This leads to many cases in which the stomach is removed from routine gastroscopy access, sometimes being a major source of concern. Performing enteroscopy in these patients is technically difficult. We present our experience with 24 cases in which the aim was to access the detached stomach. METHODS: Retrospective analysis on RYGB enteroscopy procedures aimed to access the detached stomach...
November 21, 2016: Obesity Surgery
https://www.readbyqxmd.com/read/27864451/reacquisition-of-e-cadherin-expression-in-metastatic-deposits-of-signet-ring-cell-carcinoma-of-the-upper-gastrointestinal-system-a-potential-anchor-for-metastatic-deposition
#7
Yihong R Ma, Gene P Siegal, Shi Wei
AIMS: To examine the expression of E-cadherin in paired primary and metastatic signet-ring cell carcinomas (SRCC) of various organ systems in order to explore the potential role of the molecule in metastatic dissemination of this unique tumour type. METHODS: Thirty-seven consecutive cases of SRCC from various organs with paired primary and metastatic tumorous tissue available were retrieved. The intensity of membranous E-cadherin expression was semiquantitatively scored on a scale of 0-3+...
November 18, 2016: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/27861374/a-nomogram-for-predicting-the-likelihood-of-lymph-node-metastasis-in-early-gastric-signet-ring-cell-carcinoma-a-single-center-retrospective-analysis-with-external-validation
#8
Chun Guang Guo, Yan Jia Chen, Hu Ren, Hong Zhou, Ju Fang Shi, Xing Hua Yuan, Ping Zhao, Dong Bing Zhao, Gui Qi Wang
Treatment algorithm has not been established for early gastric cancer with signet ring cell carcinoma (SRC), which has a reported low rate of lymph node metastasis (LNM) similar to differentiated cancer. A cohort of 256 patients with early gastric SRC at our center between January 2002 and December 2015 were retrospectively reviewed. Multivariate logistic regression analysis was used to determine the independent factors of LNM. A nomogram for predicting LNM was constructed and internally validated. Additional external validation was performed using the database from Cancer Institute Ariake Hospital in Tokyo (n = 1273)...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27859268/heterogeneity-of-colorectal-cancer-risk-by-tumour-characteristics-large-prospective-study-of-uk-women
#9
Andrea Burón Pust, Rupert Alison, Roger Blanks, Kirstin Pirie, Kezia Gaitskell, Isobel Barnes, Toral Gathani, Gillian Reeves, Valerie Beral, Jane Green
Associations between behavioural and other personal factors and colorectal cancer risk have been reported to vary by tumour characteristics, but evidence is inconsistent. In a large UK-based prospective study we examined associations of 14 postulated risk factors with colorectal cancer risk overall, and across 3 anatomical sites and 4 morphological subtypes. Among 1.3 million women, 18,518 incident colorectal cancers were identified during 13.8 (SD 3.4) years follow-up via record linkage to national cancer registry data...
November 18, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27858181/intratumor-stromal-proportion-predicts-aggressive-phenotype-of-gastric-signet-ring-cell-carcinomas
#10
Dakeun Lee, In-Hye Ham, Sang Yong Son, Sang-Uk Han, Young-Bae Kim, Hoon Hur
OBJECTIVE: The aim of this study was to evaluate the prognostic significance of the intratumor stromal proportion in gastric signet ring cell (SRC) carcinomas. BACKGROUND: Cancer stroma, as exemplified by cancer-associated fibroblasts (CAFs), plays critical roles in cancer proliferation, invasion, and metastasis. METHODS: One hundred seventy-five SRC carcinoma cases were classified according to the intratumor desmoplastic stromal proportion to then analyze the clinicopathologic characteristics of stroma-rich cases...
November 17, 2016: Gastric Cancer
https://www.readbyqxmd.com/read/27849427/generalized-high-bone-mineral-density-on-bone-density-scanning-a-case-of-gastric-carcinoma-with-bone-metastasis
#11
Pianpian Fan, Qin Wang, Chunyan Lu, Deicai Chen
Generalized high bone mineral density (BMD) on Dual-energy X-ray absorptiometry (DXA) scanning most commonly reflects metabolic bone disease. However, some malignancies could also stimulate the underlying processes. We reported that a 41-year-old female was referred for lumbago. She did not complain of any symptoms in the digestive system. DXA revealed high BMD in the lumbar vertebras. Marked increase in bone mass was observed in an X-ray of chest compared with one conducted 6 months previously. Additionally, an X-ray of the axial skeleton showed diffuse sclerotic change...
November 16, 2016: Postgraduate Medicine
https://www.readbyqxmd.com/read/27846863/prognostic-significance-of-mucin-expression-profiles-in-breast-carcinoma-with-signet-ring-cells-a-clinicopathological-study
#12
Ryuji Ohashi, Ayako Hayama, Keiko Yanagihara, Koji Yamashita, Takashi Sakatani, Hiroyuki Takei, Zenya Naito
BACKGROUND: Signet ring cells (SRCs) often accompany gastrointestinal carcinoma, referred to as SRC carcinoma; however, breast cancers containing SRCs have not been well characterized, leaving the prognostic significance of SRCs undetermined. We have described clinicopathological characteristics of patients with breast cancer containing SRCs in relation to the expression levels of MUC1, MUC2, MUC4, MUC5AC, and MUC6. METHODS: Twenty-two breast cancer cases with variable degrees of SRC population were retrospectively studied...
November 15, 2016: Diagnostic Pathology
https://www.readbyqxmd.com/read/27843583/nanostring-expression-profiling-identifies-candidate-biomarkers-of-rad001-response-in-metastatic-gastric-cancer
#13
Kakoli Das, Xiu Bin Chan, David Epstein, Bin Tean Teh, Kyoung-Mee Kim, Seung Tae Kim, Se Hoon Park, Won Ki Kang, Steve Rozen, Jeeyun Lee, Patrick Tan
BACKGROUND: Gene expression profiling has contributed greatly to cancer research. However, expression-driven biomarker discovery in metastatic gastric cancer (mGC) remains unclear. A gene expression profile predicting RAD001 response in refractory GC was explored in this study. METHODS: Total RNA isolated from 54 tumour specimens from patients with mGC, prior to RAD001 treatment, was analysed via the NanoString nCounter gene expression assay. This assay targeted 477 genes representing 10 different GC-related oncogenic signalling and molecular subtype-specific expression signatures...
2016: ESMO Open
https://www.readbyqxmd.com/read/27828821/a-risk-prediction-model-based-on-lymph-node-metastasis-for-incorporation-into-a-treatment-algorithm-for-signet-ring-cell-type-intramucosal-gastric-cancer
#14
Jeung Hui Pyo, Cheol Min Shin, Hyuk Lee, Byung-Hoon Min, Jun Haeng Lee, Su Mi Kim, Min Gew Choi, Jun Ho Lee, Tae Sung Sohn, Jae Moon Bae, Kyung Mee Kim, Hye Seung Kim, Sin-Ho Jung, Jae J Kim, Sung Kim
OBJECTIVE: The aim of the study was to develop a reliable and easy-to-use risk-scoring system (RSS) to predict lymph-node metastasis (LNM) and determine the feasibility of endoscopic submucosal dissection for mucosa-confined signet ring cell carcinomas (SRCs). BACKGROUND: Fewer LNM and better survival rates have been reported for early gastric SRCs compared with other undifferentiated early gastric cancers (EGCs). METHODS: Data from 1544 patients with mucosa-confined SRCs were reviewed...
December 2016: Annals of Surgery
https://www.readbyqxmd.com/read/27824770/microangiopathic-hemolytic-anemia-due-to-malignancy-in-pregnancy
#15
Sarah K Happe, Amanda C Zofkie, David B Nelson
BACKGROUND: Microangiopathic disorders during pregnancy remain a diagnostic challenge because these conditions often imitate more common obstetric diseases. CASE: A 31-year-old multigravid woman delivered at term with a postpartum course complicated by laboratory indices consistent with hemolysis, elevated liver enzymes, and low platelet count syndrome. After clinical recovery, she was readmitted 2 weeks after delivery with presumptive pyelonephritis. Persistent hemolysis and worsening thrombocytopenia suggested a diagnosis of thrombotic microangiopathy, which did not respond to plasma exchange...
December 2016: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27816197/peritoneal-carcinomatosis-of-colorectal-cancer-novel-clinical-and-molecular-outcomes
#16
Damien Massalou, Emmanuel Benizri, Anne Chevallier, Valérie Duranton-Tanneur, Florence Pedeutour, Daniel Benchimol, Jean-Marc Béréder
BACKGROUND: The objective of this study was to identify the prognostic impact of parameters in peritoneal carcinomatosis from colorectal cancer. METHODS: We collected data from patients treated by cytoreductive surgery and Hyperthermic Intraperitoneal Chemotherapy for peritoneal carcinomatosis secondary to colorectal cancer. RESULTS: Ninety-one procedures were performed. In univariate analysis, an increased peritoneal cancer index was associated with decreased survival (P < ...
August 5, 2016: American Journal of Surgery
https://www.readbyqxmd.com/read/27807548/signet-ring-cell-carcinoma-presenting-as-colocolic-intussusception
#17
Shraddha Shetty, Abhishek Vijayakumar, Raja Reddy Gv
No abstract text is available yet for this article.
August 2016: ACG Case Reports Journal
https://www.readbyqxmd.com/read/27798928/signet-ring-cells-and-efficacy-of-first-line-chemotherapy-in-advanced-gastric-or-oesogastric-junction-adenocarcinoma
#18
Nathalie Lemoine, Antoine Adenis, Olivier Bouche, Alain Duhamel, Alexandra Heurgue, Emmanuelle Leteurtre, Eric Amela, Julia Salleron, Mohamed Hebbar
AIM: To evaluate the efficacy of first-line palliative chemotherapy, regarding the presence of signet ring cells (SRC). PATIENTS AND METHODS: Retrospective analysis of consecutive patients with locally advanced or metastatic gastric or oesogastric junction adenocarcinoma who received first-line chemotherapy. Response to chemotherapy, progression-free survival (PFS) and overall survival (OS) were compared between SRC and non-SRC (NSRC) groups. RESULTS: Two hundred and three patients were treated, with 57 (28%) having SRC adenocarcinoma...
October 2016: Anticancer Research
https://www.readbyqxmd.com/read/27790307/primary-signet-ring-cell-carcinoma-of-the-prostate-treated-by-radical-cystoprostatectomy-and-chemoradiotherapy
#19
Sun Wook Kim, Woohyun Kim, Yong-Hyun Cho, Tae-Jung Kim, Insuk Woo, Dong Wan Sohn
Primary signet ring cell carcinoma (SRCC) of the prostate is very rare. Although SRCC is primarily found in the stomach and colon, it can also be found in the pancreas, breast, thyroid, bladder, and prostate. We recently diagnosed and treated a case of primary SRCC of the prostate. A 56-year-old Korean man was referred to our institution for evaluation of a one-month history of hematuria and recently identified bladder mass. Transurethral resection of the bladder tumour was performed and histological and immunohistochemical evaluation revealed a diagnosis of SRCC with tumour invading into the outer half of the deep muscularis propria...
May 2016: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/27783218/helicobacter-pylori-negative-gastric-cancer-advanced-stage-undifferentiated-adenocarcinoma-located-in-the-pyloric-gland-area
#20
Akihiro Okano, Shigeru Kato, Masaya Ohana
The incidence of Helicobacter pylori-negative gastric cancer (HpNGC) is extremely low. A 78-year old female without H. pylori infection was diagnosed with type 4 advanced-stage gastric prepylorus cancer. Distal gastrectomy was performed as for HpNGC (cT3N0M0). Histological findings of the resected specimen showed poorly differentiated adenocarcinoma and signet ring cell carcinoma, which were located in the pyloric gland area, diffusely invaded beyond the serosa without lymph node metastasis (pT4aN0M0). Most cases of undifferentiated-type HpNGC are diagnosed in the early stage and are located in the fundic gland area...
October 25, 2016: Clinical Journal of Gastroenterology
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