Timmermanngupta9800
Researching Connection between Calcium supplement Oxide Nanoparticles about Dentinogenesis inside Men Wistar Subjects.
Accessory mind foramina and nerves: Application to be able to gum, periapical, and augmentation surgical treatment.
A number of staging systems have been developed to predict clinical outcomes in hepatocellular carcinoma (HCC). see more However, no general consensus has been reached regarding the optimal model. New approaches such as machine learning (ML) strategies are powerful tools for incorporating risk factors from multiple platforms. We retrospectively reviewed the baseline information, including clinicopathologic characteristics, laboratory parameters, and peripheral immune features reflecting T-cell function, from three HCC cohorts. A gradient-boosting survival (GBS) classifier was trained with prognosis-related variables in the training dataset and validated in two independent cohorts. see more We constructed a 20-feature GBS model classifier incorporating one clinical feature, 14 laboratory parameters, and five T-cell function parameters obtained from peripheral blood mononuclear cells. The GBS model-derived risk scores demonstrated high concordance indexes (C-indexes) 0.844, 0.827, and 0.806 in the training set and validation sets 1 and 2, respectively. The GBS classifier could separate patients into high-, medium- and low-risk subgroups with respect to death in all datasets (P less then 0.05 for all comparisons). A higher risk score was positively correlated with a higher clinical stage and the presence of portal vein tumor thrombus (PVTT). Subgroup analyses with respect to Child-Pugh class, Barcelona Clinic Liver Cancer stage, and PVTT status supported the prognostic relevance of the GBS-derived risk algorithm independent of the conventional tumor staging system. In summary, a multiparameter ML algorithm incorporating clinical characteristics, laboratory parameters, and peripheral immune signatures offers a different approach to identify patients with the greatest risk of HCC-related death.Maternal obesity may lead to epigenetic alterations in the offspring and might thereby contribute to disease later in life. link2 We investigated whether a lifestyle intervention in pregnant women with obesity is associated with epigenetic variation in cord blood and body composition in the offspring. Genome-wide DNA methylation was analyzed in cord blood from 208 offspring from the Treatment of Obese Pregnant women (TOP)-study, which includes pregnant women with obesity randomized to lifestyle interventions comprised of physical activity with or without dietary advice versus control subjects (standard of care). DNA methylation was altered at 379 sites, annotated to 370 genes, in cord blood from offspring of mothers following a lifestyle intervention versus control subjects (false discovery rate [FDR] less then 5%) when using the Houseman reference-free method to correct for cell composition, and three of these sites were significant based on Bonferroni correction. These 370 genes are overrepresented in gene ontology terms, including response to fatty acids and adipose tissue development. Offspring of mothers included in a lifestyle intervention were born with more lean mass compared with control subjects. Methylation at 17 sites, annotated to, for example, DISC1, GBX2, HERC2, and HUWE1, partially mediates the effect of the lifestyle intervention on lean mass in the offspring (FDR less then 5%). Moreover, 22 methylation sites were associated with offspring BMI z scores during the first 3 years of life (P less then 0.05). Overall, lifestyle interventions in pregnant women with obesity are associated with epigenetic changes in offspring, potentially influencing the offspring's lean mass and early growth.Pancreatoblastoma (PB), also known as infantile pancreatic carcinoma, is an exceedingly rare pancreatic tumor in childhood, which is considered a malignant exocrine pancreatic tumor. Some cases have been reported in Saudi Arabia. Although PB primarily presents during childhood, it may occur in adults too. PB tends to be less hostile in infants and children when compared to adults. Histologically, PB is characterized by distinguished acinar and squamoid cell differentiation. see more Most of these tumors develop in the head of the pancreas and increase alpha-fetoprotein in up to 68% of patients. Ultrasound and CT scan play a significant role in preoperative diagnosis, which is often quite difficult. The best treatment is surgical removal of the pancreas. The role of adjuvant chemotherapy or radiotherapy is still under consideration due to a minor number of patients treated. Chemotherapy regimens consisting of cyclophosphamide, etoposide, doxorubicin, and cisplatin have been used in the neoadjuvant setting with anecdotal benefit. It was found that a poorer prognosis was associated with patients who had metastasis, and patients who could not be operated on surgically.
Basaloid squamous cell carcinoma of the nasopharynx is a rare entity with only scarce cases reported in the English Literature. It is a histological variant of squamous cell carcinoma with aggressive nature and comprises of both basal cell carcinoma and squamous cell carcinoma.
Herein, we report on a middleaged male who presented with left-sided spontaneous epistaxis and aural fullness with no neck node which turned out to be basaloid cell carcinoma of nasopharynx.
We highlight high clinical suspicion of rare variant of nasopharyngeal carcinoma although no palpable node was evident upon presentation.
We highlight high clinical suspicion of rare variant of nasopharyngeal carcinoma although no palpable node was evident upon presentation.
To study bone sarcoma patients who underwent limb salvage surgery with an inappropriate biopsy site and their surgical management.
There were 28 patients with bone sarcoma who underwent limb salvage surgery from 2015 - 2019, among them 4 patients had inappropriate biopsy scar. They were analyzed with respect to modification of incision, extent of flap elevation, difficulties in exposure of neurovascular structures, reconstructive methods and post-operative wound morbidity.
In all cases biopsy was done in outside hospital. link2 One patient had open biopsy, remaining all were core needle biopsies. Out of the 4, three patients had distal femur lesion and one patient had proximal tibial lesion. link3 Patient with proximal tibial lesion had biopsy site placed anteriorly over tibia. Patient underwent proximal tibial resection with anteromedial incision. Remaining three patients had distal femur lesion. One patient had pathological fracture with internal fixation done with lateral incision, and biopsy site placed medially scars into account. Good knowledge of vascular supply and incisions required if and when surgery is planned helps in selecting proper site for biopsy.
Studying risk factors for cancer is the way for prevention and control. This study aims to review analytic studies reporting the identified risk factors of cancer in Oman.
A comprehensive literature search was conducted on "PubMed database, Scopus database, and Google Scholar", using appropriate key terms/words. No date limits were defined until March 2019. Both; keyword and MeSH term strategies were used to retrieve studies.
This review yielded 10 analytic studies related to cancer risk factors in Oman, all of which utilized the case control design. Seven studies were related to various genetic factors, two were related to dietary factors and obesity, and one was related to diabetes as a risk factor. There was insufficient evidence available on essential modifiable risk factors such as smoking, use of alcohol, environmental factors and infectious agents.
The scanty local literature is focused on genetic, non-modifiable factors, and very little is related to modifiable factors which should be given more attention to allow prevention and control. link3 Locally, this is challenged by training needs for health professionals, and availability of financial resources, emphasizing the need for multisectorial work.
The scanty local literature is focused on genetic, non-modifiable factors, and very little is related to modifiable factors which should be given more attention to allow prevention and control. Locally, this is challenged by training needs for health professionals, and availability of financial resources, emphasizing the need for multisectorial work.
Acute myeloid leukemia (AML) is a malignant disease of the myeloid line that caused by several chromosomal aberrations that include AML1 -ETO and MLL-AF9. In the current study, the correlations of fusion gene quantitative RT-PCR and hematological parameters in patients with AML were examined to determine their prognostic value in clinical practice.
This study was conducted at Alzaeim Alazhari University, Khartoum, Sudan. A total of 82 patients with AML (51 AML1-ETO and 31 MLL-AF9) were participated in the study. Quantitative RT-PCR was used to determine types of fusion genes Results The expression of MLL-AF9 was significantly higher than that for AML1-ETO (P < 0.01). In addition, with respect to FAB classification M2/M3 types were dominated in patients with AML1-ETO gene fusion, whereas M4/M5 types were dominated in MLL-AF9 subjects (P < 0.01). Finally, neither AML1-ETO nor MLL-AF9 quantitative RT-PCR gene expressions were correlated with the examined hematological parameters including hemoglobin, total white blood count, platelets and blast cells (P > 0.05).
Significant variations in AML1-ETO and MLL-AF9 expression were observed in AML. No correlations between the expression of fusion genes and hematological parameters were detected.
Significant variations in AML1-ETO and MLL-AF9 expression were observed in AML. No correlations between the expression of fusion genes and hematological parameters were detected.
Adjuvant radiotherapy is required for most post MRM breast cancer patients. Aim of treatment is to target radiation to region of interest while sparing Organs at Risk (OARs). Attempts are being made to decrease dose to OARs without compromising target coverage by evolving radiation techniques. In this study, a comparison of traditional 3DCRT plans is done with semi-automated complex VMAT plans for dose received by OARs namely Contralateral Breast (CLB), Ipsilateral lung (I/LL), and Contralateral Lung (C/LL).
It was planned for 30 post MRM breast cancer patients for chest wall, ipsilateral axilla and supraclavicular lymph node. The PTV dose was 42.5 Gy in 16 fractions, 2.66 Gy/fraction, 5 days a week. For each patient traditional 3DCRT and semi-automated complex VMAT plans (conventional + tangential VMAT plans) were prepared and evaluated by radiation oncologists.
Dose evaluation of CLB shows higher Dmax for 3DCRT plans, while, Dmean was lower for the 3DCRT plan. Difference between D2 was not significant. V2.5 was significantly less in 3DCRT, while, difference between V5 and V10 were not significant. link2 For C/LL Dmean, V2.5, V5, and V10 were higher for the VMAT plan. For I/LL Dmean, V5 and V10 were higher, while V20 and V30 were lower for VMAT plans.
The VMAT technique described here is a useful treatment option available for difficult planning situations. link3 OARs stated above had a mixed result showing VMAT plans to be inferior at lower dose metrics, while, superior at higher dose metrics.
The VMAT technique described here is a useful treatment option available for difficult planning situations. OARs stated above had a mixed result showing VMAT plans to be inferior at lower dose metrics, while, superior at higher dose metrics.