Allometric analysis was performed on a total of 21 measurements o

Allometric analysis was performed on a total of 21 measurements of limb bones to evaluate ontogenetic changes. Ten measurements were allometric, correlating positively and negatively with body mass. Some of them, like the positive allometry of the tarsometatarsus length, the negative allometry of the distal region of the tibiotarsus and the proximal segment of the tarsometatarsus, seem to be associated with cursoriality. Cilomilast On the other hand, the positive allometric growth of the distal segment of the femur may be related to the large body size of these birds. “
“The lizard family Cordylidae is mainly endemic to southern

Africa and comprises 80 named taxa, placed in 10 genera. We mapped parity mode and the timing of gametogenesis in males and females on a genus-level phylogenetic tree for the family, derived from the literature. For those genera for which reproduction data

were not available, we investigated ACP-196 in vitro male reproductive activity for representative species using museum material. In addition, we constructed an area cladogram to recover ancestral ranges. Our parsimony analysis retrieved two equally parsimonious solutions for evolutionary transformations in parity mode and reproductive timing in the Cordylidae. Both solutions suggest that oviparity and spring gametogenesis in both males and females (synchronized breeding) is the basal condition in the family. The correlated evolution of viviparity and autumn breeding has been noted in many lizard clades, and we therefore prefer the solution suggesting (1) that the transformations from oviparity to viviparity and from spring to autumn gametogenesis occurred simultaneously in the most recent common ancestor of the Cordylinae, selleck kinase inhibitor and (2) that a subsequent return

to spring spermatogenesis occurred in the most recent common ancestor of the Ouroborus-Karusasaurus-Namazonurus-Hemicordylus-Cordylus clade, a distinctly western clade. The evolution of viviparity and autumn spermatogenesis in the most recent common ancestor of the Cordylinae appears to have been correlated with the onset of cooler climates during the Oligocene while the return to spring spermatogenesis appears to be have been correlated with the aridification of the western parts of southern Africa during the early Miocene. “
“The genus Buthus is a medium diverse scorpion genus, with 35 species distributed from Portugal and Morocco ranging eastward to Yemen in the Arabic Peninsula. The bulk of the genus’ known species diversity occurs in the Western Mediterranean area. A recent molecular study started to elucidate the patterns of diversity of this genus in the Iberian Peninsula and the Maghreb. Since then, the taxonomy of the genus has changed substantially, with several new species having been described, and with the elevation of former subspecies to species-level.

These gene mutations are associated with the clinical entities of

These gene mutations are associated with the clinical entities of ABCB4 deficiency and cystic fibrosis–associated liver disease, respectively.1 Most recently, anion

exchanger 2 (AE2), a variant of the Cl−/HCO exchanger, has been shown to influence prognosis in patients with PBC under treatment with ursodeoxycholic acid (UDCA).4 This finding supports the view that impaired AE2 activity and thereby reduced biliary HCO secretion may play a key role in the pathogenesis of PBC.5-9 A variant of GPBAR1, selleck chemicals the gene coding for the G-protein–coupled bile acid receptor 1, also called TGR5, appeared as a likely disease gene in the first genome-wide association analysis of primary sclerosing cholangitis.10 TGR5 is expressed on apical cholangiocyte membranes and is putatively involved in cAMP-dependent modulation of cholangiocellular HCO secretion. Thus, functional modifications in proteins involved AUY-922 research buy in apical transport of pH modifying bile contents may contribute to development and progression of chronic forms of sclerosing/fibrosing cholangitis such as PBC, PSC, cystic fibrosis–associated liver disease, and ABCB4 deficiency. AE2, anion exchanger 2; ADP, adenosine diphosphate;

AMP, adenosine monophosphate; ATP, adenosine triphosphate; cAMP, cyclic adenosine monophosphate; CFTR, cystic fibrosis transmembrane conductance regulator; norUDCA, norursodeoxycholic acid; PBC, primary biliary cirrhosis; PKC, protein kinase C; PSC, primary sclerosing cholangitis; UDCA, ursodeoxycholic acid. The cholangiocyte is exposed to millimolar concentrations of hydrophobic bile salts,11, 12 which are toxic to other cells such as hepatocytes at moderate micromolar selleck kinase inhibitor levels.13 Resistance against these noxious compounds and their cytolytic potential is therefore essential. Which

strategies help cholangiocytes survive in the unfriendly environment of bile? One protective mechanism is the formation of mixed micelles of phospholipids and bile salts in bile.11 High millimolar amounts of bile salts are buffered by micelle formation with phospholipids. However, although this mechanism protects cells from bile salts in micelles, it has no effect on the toxicity of bile salt monomers that are always present at submicellar concentrations. Formation of mixed micelles is critically dependent on adequate biliary phospholipid secretion. Its impairment by mutations of ABCB4/MDR3 leads to progressive familial intrahepatic cholestasis (PFIC type 3) in children and in milder forms to sclerosing cholangitis, ductopenia, and occasionally biliary cirrhosis in adults.3 Thus, micelle formation in bile appears to be crucial for bile ductular integrity. A second protective mechanism known as dilution of bile or flushing of bile is more speculative. This mechanism involves secretion of an alkaline, HCO-rich, mainly cholangiocyte-derived fluid11, 14 that reduces the concentration of toxic compounds in bile.

Dgcr8del/fl, Alb-Cre+/−, and Dgcr8fl/fl mice were generated from

Dgcr8del/fl, Alb-Cre+/−, and Dgcr8fl/fl mice were generated from matings of Dgcr8del/fl mice on a mixed C57Bl/6, 129S4 background10 with Alb-Cre+/− mice on a C57Bl/6 background (Jackson Laboratory).11, 12 Eight to 12-week-old male mice were used in this study. All procedures involving mice were approved by the Institutional Animal Care Committee at the University of California San Francisco. Two-thirds of the liver

was surgically removed under isoflurane anesthesia as described.5 One 3-deazaneplanocin A hundred μg/g body weight 5-bromo-2-deoxyuridine (BrdU, Roche) was injected intraperitoneally 35 hours after surgery. Total RNA was isolated with Trizol and treated with DNase I (Ambion) to eliminate genomic DNA. One μg RNA was used for cDNA synthesis with Superscript III reverse transcription reagent (Invitrogen). PCR amplification was performed at 50°C for 2 minutes and 95°C for 10 minutes, followed by 40 cycles at 95°C for 15 seconds and 60°C for 1 minute in a 7300 real-time PCR system with SYBR green (Applied Biosystems). For each

sample we analyzed β-actin, Gapdh, or 18S rRNA expression to normalize target gene expression. Primers for qRT-PCR were designed with Primer Express software (Applied Biosystems). Dgcr8 primers were designed to target the deleted exon 3. For miRNA analysis, RNA was isolated PD0325901 manufacturer with the miRNeasy kit (Qiagen). Ten ng RNA was used for miRNA-specific cDNA synthesis with the TaqMan MicroRNA Reverse Transcription Kit and Taqman MicroRNA Assays (all Applied Biosystems). PCR amplification was performed at 95°C for 10 minutes, this website followed by 40 cycles at 95°C for 15 seconds and 60°C for 1 minute in a 7900 real-time PCR system (Applied Biosystems). The small RNA Sno202 was used to normalize target miRNA expression. Relative changes in gene and miRNA expression were determined using the 2-ΔΔCt method.13 Paraffin-embedded liver samples were sectioned and stained

with the antibodies rabbit anti-Cyclin D (NeoMarkers), mouse anti-PCNA (Biosource), and rabbit anti-Ki67 (Lab Vision) at 1:100 dilutions. To visualize immunocomplexes for light microscopy with 3,3′-diaminobenzidine (DAB), we used biotinylated antirabbit or antimouse IgG antibodies and the ABC reagent (all Vector). Immunostainings with rat anti-A6 (gift from Dr. Valentina Faktor, NCI), rabbit anti-DGCR8 (Proteintech), and rat anti-BrdU (Abcam) antibodies were performed on sections of frozen liver samples embedded in optimum cutting temperature compound (Tissue-Tek, Sakura Finetek) at 1:250, 1:50, and 1:100 dilution, respectively. For fluorescence microscopy, the secondary antibodies goat antirat conjugated with Alexa Fluor 488, goat antirabbit conjugated with Alexa Fluor 594, and goat antirat conjugated with Alexa Fluor 594 (all Molecular Probes) were used at 1:500 dilutions.

While reproductive skew among females can reach higher levels in

While reproductive skew among females can reach higher levels in singular cooperative breeders, like meerkats and mole rats, the frequency of overt contests between females is often higher in plural than singular breeders. However, following the death of a dominant female in singular breeders, all adult females commonly fight for her position, these contest can be lethal (Reeve & Sherman, 1991; Clutton-Brock et al., 2006) and selection on traits affecting success in these contests is likely to be very strong (Clutton-Brock et al., 2006). This illustrates X-396 solubility dmso the important point that there is not necessarily

a close relationship between the frequency of competitive interactions or overt aggression and either the degree of reproductive skew or the intensity of selection on traits influencing success in competitive encounters. Reproductive competition between breeding females may also

be responsible PD0325901 for the evolution of supportive relationships that help females to establish and maintain their rank and that of their matriline (Silk, 2007b; Cheney et al., 2012). Across species, the occurrence of regular supportive relationships and dependant rank systems is associated with the formation of relatively large, stable groups including multiple breeding females where some females are close relatives while others are not, as in savannah baboons and spotted hyenas. The effects of social support on female dominance and fitness may, in turn, have this website led to the development of complex affiliative relationships that serve to maintain regular support (Clutton-Brock, 2009a) as well as to tactics that minimize the tendency for social support to destabilize social relationships between competitors, including reassurance, reconciliatory behaviour and various forms of intervention

(Aureli & van Schaik, 1991; Aureli & de Waal, 2000). While traits that increase success in fights are rarely as highly developed in females as in males, intense competition between females for resources or breeding opportunities is sometimes associated with the development of traits enhancing competitive success. For example, in monogamous primates, where females compete for access to territories, the size of their canine teeth relatively to their body size is larger than in species where females are social and rely on support from other group members to defend their territories or ranges (Harvey, Kavanagh & Clutton-Brock, 1978, Plavcan, van Schaik & Kappeler, 1995). Similarly, competition for resources may favour the evolution of female antlers and horns in some ungulates, although comparative studies suggest that female horns commonly represent an anti-predatory adaptation (Packer, 1983; Stankowich & Caro, 2009).

Additional Supporting Information may be found in the online vers

Additional Supporting Information may be found in the online version of this article. “
“By array-comparative genomic hybridization, we demonstrated cyclin E as one of seven genes associated with mTOR inhibitor hepatocellular carcinoma (HCC) development in Ku70 DNA repair-deficient mice. We therefore explored the hypothesis that during hepatocarcinogenesis, cyclin E kinase can overcome the inhibitory effects of p53 and establish whether abnormal

miRNA(mi-R)-34, a co-regulator of cyclin E and p53, can account for their interactions as “drivers” of HCC. Dysplastic hepatocytes (DNs) and HCCs were generated from diethylnitrosamine (DEN)-injected C57BL/6 male mice at 3–12 months. Cyclin E/cdk2 was barely expressed in normal liver, but was readily detected in dysplastic hepatocytes, localizing to glutathione-S transferase pi-form positive cells dissected by laser-dissection. Cyclin E kinase activity BGB324 in vivo preceded cyclin D1, proliferating cell nuclear antigen

expression in DNs and HCCs despite maximal p53 and p21 expression. We confirmed that cyclin E, rather than cyclin D1, is the proliferative driver in hepatocarcinogenesis by immunoprecipitation experiments demonstrating preferential binding of p21 to cyclin D1, allowing cyclin E-mediated “escape” from G1/S checkpoint. We then showed cyclin E was responsible for regulating wild-type p53 by knockdown experiments in primary HCC cells; cyclin E-knockdown increased p53 and p21, diminished anti-apoptotic Bcl-XL and reduced cell viability. Conversely, blocking p53 augmented cyclin E, Bcl-XL expression and increased proliferation. Physiological interactions between cyclin E/p53/p21 were confirmed in primary hepatocytes. miR-34a,c were upregulated in dysplastic murine, human liver and HCCs compared with normal liver, and appeared to be linked to cyclin E/p53. Upregulation selleck kinase inhibitor of functionally active cyclin E via miR34 with loss of p53 function is associated with cell-cycle checkpoint failure increasing proliferative drive that favors hepatocarcinogenesis. “
“Epithelial cell

adhesion molecule (EpCAM) is a surface marker on human hepatic stem/progenitor cells that is reported as absent on mature hepatocytes. However, it has also been noted that in cirrhotic livers of diverse causes, many hepatocytes have EpCAM surface expression; this may represent aberrant EpCAM expression in injured hepatocytes or, as we now hypothesize, persistence of EpCAM in hepatocytes that have recently derived from hepatobiliary progenitors. To evaluate this concept, we investigated patterns of EpCAM expression in hepatobiliary cell compartments of liver biopsy specimens from patients with all stages of chronic hepatitis B and C, studying proliferation, senescence and telomere lengths.

Accurate population-based data are needed on the incidence of Bar

Accurate population-based data are needed on the incidence of Barrett’s esophagus. Since Barrett’s is believed to be the major risk factor for the development of esophageal adenocarcinoma. Risk factors for Barrett’s esophagus include advanced age (age

> 40), male sex, white race, symptoms of reflux, and obesity. Barrett’s esophagus is present in 10%–20% of patients with gastro NVP-LDE225 esophageal reflux disease (GERD) and has also been detected in patients who deny classic GERD symptoms and are undergoing endoscopy for other indications. Methods: We conducted adescriptive study involving all patients with Barrett’s esophagus (BE) in Cipto Mangunkusumo Hospital in Jakarta during the period from 2008 through 2012, using data from the Anatomical Pathology Registry and the Endoscopic Centre in Cipto Mangunkusumo Hospital. Results: There were 5782 patients who underwent endoscopic from 2008–2012 and we identified 959 patients as esofagitis,

4.7% was suspected for BE. From the histopathological result, among those who are suspected BE, 29.7% was confirmed BE, while those who are not suspected BE, 5.04% was positive for BE. Endoscopy has sensitivity 23% and specificity 96.3% in detecting BE with positive predictive value 29% and negative predictive value 95%. Those who were diagnosed with barrets esophagus, 6.7% classified as low grade dysplasia, 28.8% EX 527 manufacturer with non dysplasia, and 1.7% with indeterminate-grade dysplasia, while the rest were only classified as barrets esophagus. In this study, BE was found more common in male and in the range of age of 51–60 years old learn more (37%). The most common presenting symptoms among patients diagnosed with barrets esophagus was dyspepsia, only 5% the presenting symptom was GERD. Conclusion: in Cipto Mangunkusumo hospital, those patients whose endoscopic apperances were be suspect has higher rate of

pative histophaology result. Key Word(s): 1. BE; 2. GERD; 3. endoscopy; Presenting Author: MURDANI ABDULLAH Additional Authors: HAYATUN NUFUS Corresponding Author: MURDANI ABDULLAH Affiliations: Division of Gastroenterology, Department of Internal Medicine, Faculty of Medicine University of Indonesia, CiptoMangunkusumo Hospital, Jakarta, Indonesia Objective: Colorectal cancer is the fourth leading cause of cancer-related mortality worldwide. Early detection of colorectal cancer is necessary in term of increasing survival. Immunochemical fecal occult blood test (I-FOBT) is one of simple and inexpensive screening modality that can be used widely. No data has been available yet regarding of usage of I-FOBT in Indonesia. The aim of this study was to determine prevalence and diagnostic study of I-FOBT as a screening for colorectal cancer in Indonesia asymptomatic population. Methods: A cross sectional study was conducted in asymptomatic population living near five public health service in Depok, East Java, Indonesia. This study was performed during January – March 2012.

The target puncture sites on the portal vein branch are either at

The target puncture sites on the portal vein branch are either at the portal vein imaging GSK1120212 research buy bifurcation or beyond. Conclusion: There is an upper-rear and lower-front spatial relationship between the right hepatic vein and the portal vein, and that the distance between the right hepatic vein opening and portal vein bifurcation is, in the vast majority of cases, equal to or greater than one vertebra, providing guidance to the direction and

distance of the TIPS puncture. The location of the right hepatic vein, the location of the portal vein, and the portal vein branches are not correlated with gender, age and Child classification of the patients, and the safe target for portal vein puncture is at the portal vein imaging bifurcation and beyond. Key Word(s): 1. TIPS; 2. cirrhosis; 3. portal vein; 4. imaging; Presenting Author: YANG SHUYIN Additional Authors: LIU QING, DONG XIAOJUN, ZHOU TINGTING, LI SHUTING, ZENG BO, XIA QIANG, WANG TAILING, LI HAI Corresponding Author: LI HAI Affiliations: Department of Gastroenterology, Renji Hospital Shanghai Jiaotong University

School of Medicine, Shanghai Institute of Digestive Disease; Department of Pathology, China-Japan Friendship Hospital; Liver Transplantation SCH772984 in vitro Center, Renji Hospital Shanghai Jiaotong University School of Medicine Objective: Studied the pathological features of HBV cirrhotic liver with massive/submassive hepatic necrosis (MHN/SMHN). Methods: Patients with clinically diagnosed HBV related cirrhosis who underwent a liver transplantation from 2008 to 2011 were studied. 2.5 x 2.5 cm liver tissue was sectioned. Necrosis, ductualar regeneration, cholestasis and sepsis parameters were evaluated by hematoxylin and eosin, Masson trichrome stains and immunohistochemical staining for CK7. Results: 174 enrolled patients with chronic HBV related cirrhosis were divided into 2 groups, with 69 patients in MHN/SMHN(+) group and 105 patients in MHN/SMHN(–) group. Microscopically, the characteristic features of MHN/SMHN(+) livers were: 1)Massive/submassive necrosis, found in part of cirrhotic nodules, distributed along terminal hepatic veins. The necrotic area was divided into three levels, including less than 1/3, 1/3-2/3 and over 2/3. The percentages

of patients of each level were 17.4%, 66.7%, and 15.9%, respectively. 2)There were obvious periportal ductular regeneration(CK7 positive) and some degree of hepatocytes this website diffferenciation(so called intermediate hepatocytes). The percentage of patients with ductular regeneration and intermediate hepatocytes in MHN/SMHN (+) group were 78.2% and 62.3%, respectively while those in MHN/SMHN(–) group were only 3.9% and 1.3%, respectively (p < 0.001). 3)Cholestasis in hepatocytes, bile canaliculus and regenetive ductules, were 81.2%, 87% and 92.8% respectively in MHN/SMHN(+) group while only 7.8%, 9.1% and 7.8% in MHN/SMHN(–) group (p < 0.001 respectively).4)The percentage of patients with cholestasis in ductules of cirrhotic nodules, indicating sepsis, was 6.

In a proof-of-concept study against genotype 1 chronic hepatitis

In a proof-of-concept study against genotype 1 chronic hepatitis C patients a steep and rapid HCV RNA reduction was observed with three-day QD dosing (Tsai et.al., 2013 AASLD LB-18). Over 3.4 log of maximum viral load drop was found in GT-1a subjects. Here we describe the establishment of the xenograft mouse models with HCV replicon cell line carrying a luciferase reporter, and the use of these efficacy

models in the evaluation of TG-2349 and related compounds. A mouse-adapted replicon-containing Huh-7 cells expressing luciferase marker was established by repeating passage in irradiated SCID mice. An intra-hepatic mouse model was generated by surgical injection of the replicon cells into left lobe of the liver. The expression of firefly luciferase activity can www.selleckchem.com/products/obeticholic-acid.html be monitored in-life with bio-luminescence signal. A window of 2-log over background can be obtained. Antiviral treatment duration was limited to 4 days as the liver tumor grew too large and animal needed sacrifice. Another model with a 3-log signal window and 7-day treatment duration was obtained after subcutaneous implantation of the replicon cells Small molecule library price into the right chest area. A good correlation between the diminishing of bio-luminescence

signal and the reduction of HCV replicon RNA copy number, suggested that anti-HCV activity can be monitored continuously in mouse. More than 3 logs of bio-luminescence signal reduction was observed with TG-2349 at 5 mg/kg/day for 7 days selleck inhibitor in the subcutaneous efficacy model. A lower yet significant signal reduction (1.25-1.80 log reduction) on Day 4 was observed in the intra-hepatic mouse model with TG-2349 at dosages higher than 5 mg/kg/day.

In conclusion, noninfectious, reproducible, time- and cost-effective mouse models were established for evaluation of anti-HCV efficacy. The protease inhibitor TG-2349 demonstrated significant signal reductions under these in vivo evaluations. Disclosures: Ying-Huey Huang – Consulting: TaiGen Biotechnology Chih-Ming Chen – Employment: TaiGen Biotechnology Hung-Ming Hsu – Employment: TaiGen Biotechnology Chu-Chung Lin – Employment: TaiGen Biotechnology Ming-Chu Hsu – Board Membership: TaiGen Biotechnology; Employment: TaiGen Biotechnology The following people have nothing to disclose: Chi-Hsin R. King Background/Aim: Legalon SIL (SIL) is a chemically hydro-philized version of silibinin that has exhibited antiviral effectiveness against HCV in patients with both compensated and decompensated liver disease. However, SIL’s mode of action against HCV remains incompletely understood. To studying HCV kinetics during SIL treatment in the absence of an adaptive immune response, we used uPA-SCID chimeric mice with humanized livers. Methods: 15 chimeric mice with established HCV infection were treated daily with intravenous SIL at 469 mg/kg (n=5;group 1), 265 mg/kg (n=5;group 2) and 61.5 mg/kg (group 3).

Additional Supporting Information may be found in the online vers

Additional Supporting Information may be found in the online version of this article. “
“Wnt signaling is important for cancer pathogenesis and is often up-regulated in hepatocellular carcinoma (HCC). Heparan sulfate proteoglycans (HSPGs) function as coreceptors or modulators of Wnt activation. Glypican-3 (GPC3) is an HSPG that is highly expressed in HCC, where it can attract Wnt proteins to the cell surface and promote cell proliferation. Thus, GPC3 has emerged as a candidate therapeutic target in liver cancer. While monoclonal antibodies to GPC3 are currently being evaluated in preclinical and clinical studies, none have shown an

effect on Wnt signaling. Here, we first document the expression of Wnt3a, multiple Wnt receptors, and GPC3 in several Talazoparib price HCC cell lines, and demonstrate that GPC3 enhanced the activity of Wnt3a/β-catenin signaling in these cells. Then we report the identification

of HS20, a human monoclonal antibody against GPC3, which preferentially recognized the heparan sulfate chains of GPC3, both the sulfated and nonsulfated portions. HS20 disrupted the interaction of Wnt3a and GPC3 and blocked Wnt3a/β-catenin signaling. Moreover, HS20 inhibited Wnt3a-dependent cell proliferation in vitro and HCC xenograft growth in nude mice. In addition, HS20 had no detectable undesired toxicity MK-1775 mouse in mice. Taken together, our results show that a monoclonal antibody primarily targeting the heparin sulfate chains of GPC3 inhibited Wnt/β-catenin signaling in HCC cells and had potent antitumor activity in vivo. Conclusion:

An antibody directed against the heparan sulfate of a proteoglycan shows efficacy in blocking Wnt signaling and HCC growth, find more suggesting a novel strategy for liver cancer therapy. (Hepatology 2014;60:576–587) “
“Hepatitis E virus (HEV) infection is usually self-limited but may lead to acute hepatitis and rarely to fulminant hepatic failure. Persistent HEV infections have recently been described in organ transplant recipients receiving immunosuppressive medications, suggesting that HEV is controlled by adaptive immune responses. However, only few studies have investigated HEV-specific T-cell responses and immune correlates for the failure to clear HEV infection have not been established so far. We investigated T-cell responses against HEV in 38 subjects including anti-HEV-positive (exposed, n = 9) and anti-HEV-negative (n = 10) healthy controls, 12 anti-HEV-positive but HEV RNA-negative organ transplant recipients, and seven transplant recipients with chronic hepatitis E. Proliferation as well as cytokine production of CD4+ and CD8+ T cells was studied after stimulation with overlapping peptides spanning all proteins encoded by HEV-open reading frame (ORF)2 and HEV-ORF3.

This has led to considerable controversy over the management of t

This has led to considerable controversy over the management of these tumours in current practice. Aim: As part of a multicenter international registry, this

study aims to clarify the clinical features and the natural history of pancreatic SCAs. In addition, by evaluating the current follow up practice in our institution, we hope to propose guidelines for optimal management of patients with pancreatic SCAs. Sunitinib solubility dmso Methods: All patients seen at Concord General Repatriation Hospital and Bankstown-Lidcombe Hospital, with proven or highly suspected diagnosis of SCA by endoscopic ultrasound from 2008 to 2013, were included in the study. Demographic, clinical and serial radiological data from the individual patient were retrospectively collected from the time of initial diagnosis and from their last follow-up with the

referring specialists. Results: A total of 59 patients with SCA were enrolled from the study period. The median age was 66 years, and the female:male ratio was 6:1. Forty-two patients (71%) were asymptomatic and 1 (1.7%) required surgery for symptoms directly related to the tumour. The median tumour size was 2.2 cm. Seventeen cases (29%) had the microcystic type, 31 (53%) had the macrocystic type, and 11 (18%) had the mixed type. Thirty-four patients (58%) underwent fine needle aspiration with mean Carcinoembryonic antigen (CEA) and amylase levels of 1.3 ng/ml and 114IU/L, respectively. Thirty-four patients were followed up for a median of 14 months. Enlargement of tumour size was seen in 3 patients (1%) during the follow-up. Age, gender, symptoms, location

click here or tumour size did not differ significantly among those who received serial imaging during follow-up from those who did not. Conclusions: In the absence of standardized follow-up protocol, we propose the following guidelines for the management of SCAs. Based on the slow growth of these neoplasms observed in this study, we recommend serial imaging at 1–2 yearly interval. Surgery should be suggested in only selleck symptomatic patients, giant tumours (>10 cm), rapidly growing or, when the presence of a potentially malignant tumour cannot be excluded. BW BANG, KS KWON, YW SHIN, S JEONG Division of Gastroenterology, Department of Internal Medicine, Inha University School of Medicine, Incheon, South Korea Introduction: Preoperative diagnosis of peritoneal metastasis is extremely important to establish treatment strategy and predict prognosis for the patients with gastrointestinal cancer. However, image studies have limited capacity in detection of peritoneal metastasis. We evaluated the feasibility of percutaneous ultrathin flexible peritoneoscopy in an animal model. Materials and Methods: Percutanous ultrathin flexible peritoneoscopy was performed under general anesthesia on two mini pigs. We punctured the abdominal wall using a 16G angiocatheter at the anti-Macburney and umbilical area respectively.