Results show that BCE/HBPPO has significantly lower curing temper

Results show that BCE/HBPPO has significantly lower curing temperature than BCE owing to the different curing mechanisms between the two systems, the difference also brings different crosslinked networks and thus dielectric properties. The dielectric properties are https://www.selleckchem.com/products/ulixertinib-bvd-523-vrt752271.html frequency and temperature dependence, which

are closely related with the content of HBPPO in the BCE/HBPPO system. BCE/2.5 HBPPO and BCE/5 HBPPO resins have lower dielectric constant than BCE resin over the whole frequency range tested, while BCE/10 HBPPO resin exhibits higher dielectric constant than BCE resin in the low frequency range (<10(4) Hz) at 200 degrees C. At 150 degrees C or higher temperature, the dielectric loss at the frequency lower than 10 2 Hz becomes sensitive to the content of HBPPO. These phenomena can be attributed to the molecular relaxation. Two relaxation processes (alpha- and beta-relaxation processes) LY2157299 order are observed. The beta-relaxation process shifts toward higher frequency with the increase of temperature because of the polymer structure and chain flexibility; the alpha-relaxation process appears at high temperature resulting from the chain-mobility effects. (C) 2011 Wiley Periodicals, Inc. J Appl Polym Sci 121: 2113-2122,

2011″
“The continuing advances in computed tomographic (CT) technology in the past decades have provided ongoing opportunities to improve CT image quality and clinical practice and discover

new clinical CT imaging applications. New CT technology, however, has introduced new selleck compound challenges in clinical radiology practice. One of the challenges is with intravenous contrast medium administration and scan timing. In this article, contrast medium pharmacokinetics and patient, contrast medium, and CT scanning factors associated with contrast enhancement and scan timing are presented and discussed. Published data from clinical studies of contrast medium and physiology are reviewed and interpreted. Computer simulation data are analyzed to provide an in-depth analysis of various factors associated with contrast enhancement and scan timing. On the basis of basic principles and analysis of the factors, clinical considerations and modifications to protocol design that are necessary to optimize contrast enhancement for common clinical CT applications are proposed. (C) RSNA, 2010″
“The impact of soaking, cooking, and industrial dehydration on the phenolic profile, antioxidant activity, and functional properties of two bean varieties (Cannellini and Pinta) was investigated.

88, P < 0 0001), while an older age and preserved baseline LAE

88, P < 0.0001), while an older age and preserved baseline LAEF were independently associated with a deterioration of LA function (a decrease in LAEF of > 10%; OR = selleck inhibitor 1.06, P = 0.03; and OR = 1.10, P = 0.0001).

Conclusions: AF ablation appears to have a beneficial effect on LA function in patients with impaired LA function at baseline. However, it may reduce LA function in patients with an older age and preserved

baseline LAEF. (PACE 2012; 35: 327-334)”
“An energetic condensation technique, cathodic arc discharge deposition, is used to grow epitaxial Niobium (Nb) thin films on a-plane sapphire (hexagonal-closed-packed Al2O3) at moderate substrate heating temperature (<400 degrees C). The epitaxial Nb(110)/Al2O3(1,1,-2,0) thin films reached a maximum residual resistance ratio (RRR) value 214, despite using a reactor-grade Nb cathode source whose RRR was only 30. The measurements suggest that the film’s density of impurities and structural defects are lower when compared to Nb films produced by other techniques, such as magnetron sputtering, e-beam evaporation selleck kinase inhibitor or molecular-beam-epitaxy. At lower substrate temperature, textured polycrystalline Nb thin films were created, and the films might have twin symmetry grains with 110 orientations in-plane. The texture was revealed by x-ray diffraction pole figures. The twin symmetry might be caused by a combination effect of the Nb/Al2O3 three-dimensional epitaxial

relationship (“”3D-Registry”" DMXAA chemical structure Claassen’s nomenclature)

and the “”Volmer-Weber”" (Island) growth model. However, pole figures obtained by electron backscattering diffraction (EBSD) found no twin symmetry on the thin films’ topmost surface (similar to 50 nm in depth). The EBSD pole figures showed only one Nb110 crystal plane orientation. A possible mechanism is suggested to explain the differences between the bulk (XRD) and surface (EBSD) pole figures. (C) 2011 American Institute of Physics. [doi:10.1063/1.3611406]“
“We evaluate the clinical results of a form of tumor selective particle radiation known as boron neutron capture therapy (BNCT) for newly-diagnosed glioblastoma (NDGB) patients, especially in combination with X-ray treatment (XRT). Between 2002 and 2006, we treated 21 patients of NDGB with BNCT utilizing sodium borocaptate and boronophenylalanine simultaneously. The first 10 were treated with only BNCT (protocol 1), and the last I I were treated with BNCT followed by XRT of 20 to 30 Gy (protocol 2) to reduce the possibility of local tumor recurrence. No chemotherapy was applied until tumor progression was observed. The patients treated with BNCT (protocol I Plus 2) showed a significant Survival prolongation compared with the institutional historical controls. BNCT also showed favorable results in Correspondence with the RTOG- and EORTC-RPA Subclasses. The median Survival time (MST) was 15.6 months for protocols I and 2 together.

However, limited information exists concerning N fertilizer guide

However, limited information exists concerning N fertilizer guidelines for these emerging oilseed crops. Therefore, a replicated greenhouse study was conducted to assess the growth and yield response of calendula and camelina to N fertility. Plants were grown in pots, and treatments consisted of fertilizing with urea at 0, 0.1,

0.2, 0.5 and 1.0 gN pot(-1), corresponding to field-area equivalent rates of 0, 26, 52, 130, and 260 kg ha(-1). Reproductive [i.e., flower and seed head (capitula) dry biomass (g plant(-1)). seed yield (g plant(-1)), seed-oil yield (g pot(-1)), and seed-oil content (g kg(-1))] and vegetative parameters [i.e., Roscovitine chemical structure root and shoot dry biomass, N concentration (mg g(-1)) and N uptake (mg N plant(-1))] were used to assess crop response to N-fertility. Quadratic functions (r(2) = 0.93, P = 0.05 and r(2) = 0.99, P = 0.09) described the response of calendula capitula dry biomass and camelina seed yield g plant(-1)) to N fertilizer, respectively. These functions predicted maximum agronomic yields occurring at 0.65 and 0.75 g N pot(-1), for calendula and camelina, respectively. Camelina seed-oil content (g kg(-1)) declined from 390 to 360g kg(-1) in response to N fertility, but because seed yield increased with N fertility,

likewise, so did total seed-oil yield (g pot(-1)). Nitrogen uptake efficiency of aboveground vegetative biomass ranged about 19-29% for camelina). Maximum agronomic yield may compromise

economic return, which needs to be considered when developing fertilizer recommendations for field production of these two oil-seed crops. Published by Elsevier”
“This Duvelisib supplier study seeks to evaluate the enamel surface characteristics of teeth after debonding of ceramic brackets with or without laser light. Eighty premolars were bonded with either of the chemically retained or the mechanically retained ceramic brackets and later debonded conventionally or through a CO2 laser (188 W, 400 Hz). The Stem Cells & Wnt inhibitor laser was applied for 5 s with scanning movement. After debonding, the adhesive remnant index (ARI), the incidence of bracket and enamel fracture, and the lengths, frequency, and directions of enamel cracks were compared among the groups. The increase in intrapulpal temperature was measured in ten extra specimens. The data were analyzed with SPSS software. There was one case of enamel fracture in the chemical retention/conventional debonding group. When brackets were removed with pliers, incidences of bracket fracture were 45% for the chemical retention, and 15% for the mechanical retention brackets. No case of enamel or bracket fracture was seen in the laser-debonded teeth. A significant difference was observed in ARI scores among the groups. Laser debonding caused a significant decrease in the frequency of enamel cracks, compared to conventional debonding. The increase in intrapulpal temperatures was below the benchmark of 5.

These results indicated that plasma ANP rose with an increase in

These results indicated that plasma ANP rose with an increase in the volume overload of the left side of the heart. Plasma ANP discriminated cardiomegaly from non-cardiomegaly caused by asymptomatic MMVD. We conclude, therefore, that plasma

ANP concentrations may be a clinically useful tool for early diagnosis of asymptomatic MMVD in dogs. (C) 2012 Elsevier Ltd. All rights reserved.”
“Common general anesthetics administered to young rats at the peak of brain development cause widespread apoptotic neurodegeneration in their immature brain. Behavioral studies have shown that this GDC-0973 molecular weight leads to learning and memory deficiencies later in life. The subiculum, a part of the hippocampus proper and Papez’s circuit, is involved in cognitive development and is vulnerable to anesthesia-induced developmental neurodegeneration. This degeneration is manifested by acute substantial neuroapoptotic damage and permanent neuronal loss in later stages of synaptogenesis. Since synapse see more formation is a critical component of brain development, we examined the effects of highly neurotoxic anesthesia combination (isoflurane, nitrous oxide, and midazolam) on ultrastructural

development of synapses in the rat subiculum. We found that this anesthesia, when administered at the peak of synaptogenesis, causes long-lasting injury to the subicular neuropil. This is manifested as neuropil scarcity and disarray, morphological changes indicative of mitochondria degeneration, a decrease in the number of neuronal profiles with multiple synaptic boutons and significant decreases in synapse volumetric densities. We believe that observed morphological disturbances of developing synapses may, at least in part, contribute to the learning and memory deficits that occur later in life after exposure of the immature brain to general anesthesia.”
“We report the effect of a 4d ion (Ru3+) substitution on structural disorder and magnetic ordering in the cyanide-bridged molecular magnets, RuxNi3-3x/2[Cr(CN)(6)](2)center dot zH(2)O (0 <= x <= 0.5). Structural analysis, by employing Rietveld refinement of x-ray

diffraction patterns, find more reveals a face centered cubic structure for all these compounds. In the present study, we have controlled the [Cr(CN)(6)] vacancies by substituting Ru at the Ni site and then the role of varying [Cr(CN)(6)] vacancies on the structural correlations and consequently on the magnetic properties has been investigated. We have succeeded in increasing the magnetic ordering temperature (T-C) with increasing Ru concentration up to x=0.2. The IR spectra of the Ru doped compounds indicate the presence of Cr2+-C N-Ru4+ type sequences amounting to an additional structural disorder. The magnetic Bragg scattering in the neutron diffraction patterns is masked by a large diffuse scattering arising due to the structural disorder. The reverse Monte Carlo calculations quantify the total structural disorder, which enhances with increasing x. With x>0.

Notably, the TG levels in the scales from the patient were positi

Notably, the TG levels in the scales from the patient were positively correlated with

the severity of ichthyosis.

Conclusion: These results Suggest that TG accumulation Q-VD-Oph research buy by epidermal keratinocytes directly contributes to ichthyosiform phenotype of DCS. (C) 2009 Japanese Society for Investigative Dermatology. Published by Elsevier Ireland Ltd. All rights reserved.”
“Staphylococcus aureus (S. aureus) is one of the most widespread agent of diseases in humans and animals. In dairy cows, S. aureus is the most frequently isolated contagious pathogens in mastitis cases and vaccines are one of the potential tools to control the infections, thus decreasing the use of antibiotics. Among all Alisertib ic50 the virulence factors produced by S. aureus, extra cellular fibrinogen binding protein (Efb) is an important one in the pathogenesis of mastitis.

Plants are useful bioreactors to produce antigens and the aim of the study was the production of Efb in two cultivars of Nicotiana tabacum as a mean to produce vaccine against S. aureus in plants. A matrix attachment region (MAR) sequence was inserted near the two borders of transfer-DNA in the transformation vector in the two possible orientations. The presence of MAR elements in the transformation system significantly improved transformation efficiency and Efb protein yield up to a 2% level on total soluble protein (TSP). Mice orally immunized with transgenic lyophilized leaves produced an antigen-specific immune response. (C) 2012 Elsevier Ltd. All rights reserved.”
“Purpose: To investigate the link between acute pulmonary embolism (PE) and occurrence of ground-glass opacity (GGO) and the relationships between this occurrence and hemodynamics in an animal model of acute PE.

Materials and Methods: In this animal care committee-approved study, PE was achieved by injecting

blood clots through a central venous catheter in five pigs. Fer-1 chemical structure Thin-section computed tomography (CT) and hemodynamic measurements-mean pulmonary arterial pressure (Ppa), systemic and pulmonary cardiac outputs, effective pulmonary capillary pressure (Pc’), right atrial pressure, and occluded Ppa-were obtained before and after PE was achieved. Severity and extent of GGO were assigned scores subjectively, and lung attenuation was measured on each scan. Measurements were performed every 20 minutes after PE was achieved, for a total duration of 60 minutes. Finally, CT pulmonary angiography was performed. Lung attenuation was measured in unobstructed and obstructed zones. Measurements were compared by using analysis of variance and Student t test when appropriate. Correlations were investigated through Spearman rank correlation test.

Results: In the unobstructed lung zones, GGO appeared immediately after PE was achieved, with an increased mean lung attenuation (P < .001).

Methods: This was a prospective study at a university-based, seco

Methods: This was a prospective study at a university-based, secondary referral hospital. Volumes of the bony and cartilaginous EACs were measured using a 1 ml tuberculin syringe filled with 95% ethyl alcohol before inserting ventilation tube(s). Three hundred thirty-eight ears from 194 children (107 boys and 87 GSK2879552 research buy girls) were enrolled in this study (mean age = 58.8 +/- 25.2 months). They were between the 10th and 90th percentiles for age and gender based on the 2007 growth chart for Korean children.

Results: EAC volume tended to increase with age. The volumes of

cartilaginous and total EACs were significantly larger in boys than in girls. The volume of the bony EAC was significantly larger in right than in left ears. Under the assumption that EAC volume is a linear function of age as well as body weight, these factors explained less than one-third of overall variation. Preferably, the growth of EAC seemed to be not linear with aging in pediatric population.

Conclusions: Our cubic model seemed to be more fit to the growth

of EAC than simple linear model did Galunisertib TGF-beta/Smad inhibitor and age and body weight alone were not clinically useful predictors of ear canal volume needed for the fitting of hearing aids in pediatric population. Because this variation can result in a large variation of real ear to coupler difference (RECD), this study supports that individual measurement of the RECD is crucial for fitting appropriate hearing aids in children. (C) 2012 Elsevier Ireland Ltd. All rights reserved.”
“Telangiectasia are cardinal features of systemic sclerosis (SS)

and calcinosis, Raynaud’s syndrome, esophageal motility, sclerodactyly, telangiectasias (CREST) syndrome. The etiology of telangiectasia in these syndromes is unknown, but vascular dysfunction has been proposed. However, the telangiectasia of CREST have anecdotally been considered relatively resistant to pulse dye laser (PDL), the treatment of choice for classic telangiectasia. The study Androgen Receptor Antagonist was designed to test whether SS/CREST telangiectasia require more treatments than sporadic telangiectasia and to identify clinical and histological features that could explain such an effect. Nineteen skin biopsies from patients with SS or CREST and 10 control biopsies were examined and compared for features that may predict a differential response to PDL. Sixteen cases of SS or CREST treated with PDL between 1997 and 2007 were evaluated and response to treatment was compared with 20 patients with sporadic telangiectasis. Relative to normal skin, CREST/scleroderma telangiectasia exhibited thickened vessels in 17 out of 19 sections and thickened collagen fibers in the reticular or deep dermis in all sections. The number of treatments required to clear SS/CREST telangiectasia was approximately twofold higher. SS/CREST telangiectasia are more resistant to PDL but can be effectively cleared with more treatments.

(C) 2009 Wiley Periodicals, Inc Einviron Toxicol 24: 49-65, 2009

(C) 2009 Wiley Periodicals, Inc. Einviron Toxicol 24: 49-65, 2009.”
“Aim. To investigate the levels of anxiety and stress during pregnancy among women who are routinely offered ultrasound at first and second trimesters.

Methods. This is a cross-sectional study involving 296 women, in which 146 pregnant women without any medical problem were compared with 150 nonpregnant women. Both groups were submitted to the Lipp Inventory Selleckchem AZD1152 of Stress Symptoms for Adults and to the State-Trait Anxiety Inventory. Logistic regression analysis was used to evaluate the effect of

pregnancy on the anxiety and stress levels.

Results. There was no statistical difference between pregnant and Baf-A1 ic50 nonpregnant women [56.8% (83/146) vs. 48.6% (73/150), odds ratio (OR) 1.39 95% confidence interval (CI) 0.88-2.19] regarding the level of stress. Logistic regression analysis demonstrated that the only significant independent predictor of stress was

maternal age (OR 0.95, 95% CI 0.91-0.96; P = 0.045) for the pregnant women and monthly income and religious belief for the nonpregnant group. Pregnant women had a higher level of anxiety compared with the nonpregnant (15.7% vs. 2.6%, P = 0.0002) and ultrasound examination decreased the anxiety level.

Conclusion. Pregnant women did not have a higher level of stress compared with the nonpregnant women, and maternal age is the only significant independent predictor of stress. Pregnant women are more anxious, and after the ultrasound examination, the level of anxiety decreased.”
“Objectives: Recent studies have investigated the occurrence of human cytomegalovirus and Epstein-Barr Virus in samples from apical periodontitis PI3K inhibitor lesions and a role in the pathogenesis

of this disease has been suggested. Because genotype distribution and seroprevalence of EBV and HCMV differ among populations, it is important to determine the presence of these viruses in endodontic periapical lesions of different populations. The aims of this study were to determine the presence of HCMV and EBV DNAs in samples from Turkish patients with symptomatic and asymptomatic apical periodontitis lesions using real-time polymerase chain reaction method and to evaluate their presence in both symptomatic and asymptomatic apical periodontitis lesions.

Study Design: Periapical samples were collected from 12 asymptomatic and 16 symptomatic periapical lesions in conjunction with apicectomy. HCMV and EBV DNAs were identified in the samples by real-time PCR. The chi-squared test with Yates’s correction or the Fisher’s exact test was used to analyse the significance of differences.

Results: HCMV DNA was detected in 10 of the 16 (62.5%) symptomatic and in five of the 12 (41.7%) asymptomatic periapical study lesions.

The prepared CM-chitosan hydrogels were characterized by a FTIR s

The prepared CM-chitosan hydrogels were characterized by a FTIR spectroscopy, swelling behavior, gel-fraction content,and mechanical property such as gel strength of a hydrogel and the results showed a good swelling behavior and mechanical properties. Also, the radiation-induced CM-chitosan hydrogels significantly reduced and inhibited the

PD98059 ic50 postsurgical adhesions in the rat models. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 116: 3682-3687, 2010″
“We present our investigations on the enhancement of magneto-optical (MO) effects in nanocomposite Au-Co thin films. All the samples in this study were obtained by cosputter deposition varying the relative Au:Co composition and the growth temperature. A strong enhancement of the transverse MO activity is observed when surface plasmons are excited in the Kretschmann configuration. Tubastatin A chemical structure The correlation between the nanocomposite films’ microstructure, morphology, composition, and their

optical response under surface plasmon resonance excitation and their MO enhancement is discussed. (C) 2010 American Institute of Physics. [doi: 10.1063/1.3428470]“
“Lupus erythematosus profundus is a rare complication of systemic lupus erythematosus characterized by the presence of deep, tender subcutaneous nodules. A 22-year-old African-American female with extensive lupus profundus resistant to conventional therapies was treated with two infusions of the anti-CD20 monoclonal antibody, rituximab, at a dosage of 1,000 mg each. The patient demonstrated a remarkable clinical response as indicated by the disappearance

of the nodules. B-cell depletion therapy with rituximab used alone or in combination with other therapies may be a viable option in patients with lupus profundus refractory to current therapies.”
“Purpose The latent structure of the Hospital Anxiety and Depression Scale (HADS) has caused inconsistent results in the literature. The HADS is frequently analyzed via maximum likelihood confirmatory factor analysis (ML-CFA). However, the overly restrictive assumption of exact zero cross-loadings Staurosporine and residual correlations in ML-CFA can lead to poor model fits and distorted factor structures. This study applied Bayesian structural equation modeling (BSEM) to evaluate the latent structure of the HADS.

Methods Three a priori models, the two-factor, three-factor, and bifactor models, were investigated in a Chinese community sample (N = 312) and clinical sample (N = 198) using ML-CFA and BSEM. BSEM specified approximate zero cross-loadings and residual correlations through the use of zero-mean, small-variance informative priors. The model comparison was based on the Bayesian information criterion (BIC).

Results Using ML-CFA, none of the three models provided an adequate fit for either sample.

Psychology and other social sciences, together with the natural s

Psychology and other social sciences, together with the natural sciences, will need to find ways to help the healthcare

system, to be prepared to face the new challenges introduced by the techniques of human cloning. One of those challenges is to help the healthcare system to find specific standards of behaviour that could be used to help potential parents to interact properly with cloned babies or children created through genetic manipulation. In this paper, the concepts of personality, Linsitinib identity and uniqueness are discussed in relationship to the contribution of twin studies in these areas. The author argues that an individual created by human cloning techniques or Syk inhibitor any other type of genetic manipulation will not show the donor’s characteristics to the extent of compromising uniqueness. Therefore, claims to such an effect are needlessly alarmist.”
“Low-grade inflammation associated with heart failure (HF) is known to deteriorate cardioembolic stroke in patients with atrial fibrillation (AF). Little is known about the relationship between atrial endothelial impairment induced by innate immunity and thrombus formation. We examined whether atrial endothelial impairment through Toll-like receptor

(TLR) 4 signaling causes atrial thrombogenesis. TLR4, heat shock protein 60, and vascular cell adhesion molecule (VCAM)-1 expression were higher in the atrium of AF patients who underwent valve replacement surgery with HF compared LY2835219 manufacturer with those without it (p < 0.05).

We created thoracic transverse aortic constriction (TAC) in TLR4 knock-out (KO) and wild-type (WT) mice. Atrial thrombosis was observed less frequently in TLR4 KO mice (4/15) than in WT mice (16/20) 4 weeks after TAC despite similar severity of heart failure. The decrease in endothelial nitric oxide synthase (eNOS) phosphorylation and increase in VCAM-1 and plasminogen activator inhibitor (PAI)-1 expression, observed in the atrium of WT mice following TAC, were significantly attenuated in TLR4 KO mice (p < 0.05). Nuclear factor-kappa B (NF-kappa B) activation after TAC was attenuated in TLR4 KO mice compared with WT mice. Activation of mitogen-activated protein kinase p38 (p38) after TAC was also attenuated in TLR4 KO mice (p < 0.05). Thus, increased VCAM-1 and PAI-1, and decreased eNOS phosphorylation through the TLR4/NF kappa B/p38 pathway, may be associated with atrial thrombogenesis in the heart failure mice model. Atrial endothelial impairment through the TLR4 signaling may play a role in atrial thrombogenesis in AF patients with HF.”
“Background: Documentation of posture measurement costs is rare and cost models that do exist are generally nave.

The importance of engine power-efficiency curves in order to perf

The importance of engine power-efficiency curves in order to perform this optimization procedure and also of the evaluation of macroscopic work losses in order to understand the physical basis of the optimization process is stressed. Taking as reference results from simulations with constant standard values of spark advance, fuel ratio, and cylinder internal wall temperature, the optimized parameters yield to substantial

increases in engine performance parameters. (C) 2009 selleck compound American Institute of Physics. [DOI: 10.1063/1.3116560]“
“Objective: This study investigated the relationship between cancer patient’s values and cancer related distress.

Method: A total of 107 patients with cancer diagnoses completed an anonymous questionnaire.

Results: Less self-regulating motivation for health values was significantly related to poorer well-being. Greater success at living one’s values was significantly related to improved wellbeing and distress-related outcomes. Sex difference analysis suggested that success

at friendship values was linked to less cancer-related distress among women, but not men, whereas success at romantic relationship values was linked to less distress among men, but not Belinostat price women.

Conclusion: The results have important implications for values focused interventions, highlighting the importance of facilitating success at valued living and attending to sex differences among cancer patients. Copyright (C) 2010 John Wiley & Sons, Ltd.”
“Background and Aim: Patients with ulcerative colitis (UC) and primary sclerosing cholangitis (PSC) are at increased risk of colon cancer. The aim of this study was to determine the natural history of LGD and its progression to high grade dysplasia (HGD)/colorectal

cancer (CRC) in PSC-UC patients.

Methods: Ten PSC-UC patients with LGD who underwent surveillance colonoscopy from 1996 to 2011 were evaluated. Raised dysplasia was defined as a discrete raised lesion located in an area involved by either quiescent or active colitis that was endoscopically resected, while flat dysplasia was defined as the absence of documentation of a raised lesion.

Results: Of the 10 patients with Fer-1 clinical trial LGD, 3 (30%) progressed to raised HGD over a mean follow-up of 13 +/- 11 months. Three of 10 patients had initial raised LGD while 7 had flat LGD. The location of HGD was in the proximal colon in all 3 patients. However all 3 patients who progressed to HGD had initial dysplasia located in the distal colon and had flat morphology. The incidence rate for detection of HGD/CRC was 9.4 cases per 100 person years at risk. Patients with LGD with flat morphology had an incidence rate of 17.8 cases per 100 person years at risk. HGD occurred more frequently within the first year of initial detection of LGD (23.5 per 100 patient years of follow-up).