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Moreover, the National Dental Council proceeded to the overall remodeling of the dental identification unit, which is composed of trained members, from local, regional and national aspects. These forensic experts are dedicated, at the request of the legal authorities, to DVI operations and deployed throughout the country capable of managing AM and PM data. This unit aims also to share experiences and awareness-raising among health professionals and investigators in order to optimize a better submission of AM elements and also to enhance the major interest of odontology as a primary identifier in disaster.Terrorist attacks have been on the rise. During the recent terrorist attacks in France, terrorists perpetrated their acts using weapons of war, as well as explosive charges. These two modes of action, when combined, can create skin lesions with similar macroscopic appearances, which can sometimes go unnoticed because of body fragmentation. A total of 68 autopsies, 83 external examinations, 140 standard radiographic examinations, and 49 computed tomography (CT) scans were performed over 7 days during the 2015 terrorist attacks in France. Bodies were injured by firearms and shrapnel-like projectiles. We analysed the clinical findings for the secondary blast cutaneous lesions from the explosive devices and compared these lesions with ballistic-related lesions to highlight that patterns can be macroscopically similar on external examination. Secondary blast injuries are characterised by penetrating trauma associated with materials added to explosive systems that are propelled by explosive air movement. These injuen anatomopathological analyses of the orifices also help determine the cause of the wounds.On the evening of November 13, 2015, the city of Paris and its surroundings was hit by a series of attacks committed by terrorist groups, using firearms and explosives. The final toll was 140 people deceased (130 victims and 10 terrorists or their relatives) and more than 413 injured, making these attacks the worst mass killings ever recorded in Paris in peacetime. This article presents the forensic operations carried out at the Medicolegal Institute of Paris (MLIP) following these attacks. A total of 68 autopsies of bodies or body fragments and 83 external examinations were performed within 7 days, and the overall forensic operations (including formal identification of the latest victims) were completed 10 days after the attacks. Over this period, 156 body presentations (some bodies were presented several times) were provided to families or relatives. Regarding the 130 civilian casualties, 129 died from firearm wounds and one died from blast injuries after an explosion. Of the 10 terrorists or their relativeolve a very large number of victims in a constrained time.Solid pseudopapillary neoplasms (SPN) of the pancreas are rare neoplasms accounting for 1-2% of all pancreatic tumors and have a general female predominance. We report a case and intraoperative videos of SPN involving the whole pancreatic tail. A 19-year-old female patient initially presented to another healthcare facility complaining of abdominal pain, which was started 6 years ago. A contrast-enhanced Computed Tomography (CT) scan of the abdomen showed a large mass measuring 15.6 cm × 11.6 cm × 11 cm, arising from the pancreas with an enhancing cystic component. The patient underwent exploratory laparotomy, which revealed a huge mass occupying most of the abdominal cavity. Thus, we proceeded with a distal pancreatectomy and splenectomy. Intraoperatively, the frozen section showed that the mass had features of a solid pseudopapillary tumor of the pancreas with negative resection margins. The SPN diagnosis was confirmed by histopathology and immunohistochemistry. The pathophysiology behind the development of SPN and its cellular origin is still a matter of debate with multiple proposed hypotheses. SPNs are asymptomatic in almost 70% of all cases and usually discovered incidentally. The pre-operative diagnosis of SPNs remains a clinical challenge despite all the current advances in the diagnostic modalities. Surgical management with negative resection margins is the mainstay of treatment, even with metastasis and vascular invasion, surgical excision should be performed whenever feasible. The recurrence rate after surgical resection has been reported to be 3-9%. The prognosis of SPN limited to the pancreas is generally excellent with over 95% cure rate following complete surgical resection. SPN is a rare entity of a controversial origin but is considered as a low-grade malignancy. Surgical resection to achieve complete excision constitutes the mainstay of treatment, which mostly results in an excellent prognosis.
Contrast-enhanced ultrasonography (CE-US) brings a higher signal-to-noise ratio and a higher sensitivity for slow flow than traditional B-mode ultrasonography (US). However, it remains unclear whether CE-US is also superior to B-mode US in detecting early-stage pancreatic cancer (PC).
This was a retrospective study enrolling patients suspected of pancreatic insufficiency between June 2015 and December 2019. Enrolled patients successively received B-mode US and CE-US examinations, and some their demographic and clinical data were collected. The diagnostic capacity of the two examinations was calculated and receiver operating characteristic (ROC) curves was used to compare the area under the curve (AUC). A subgroup analysis was performed to explore the effects of tumor size on the diagnostic accuracy of B-mode US and CE-US.
There were 128 patients enrolled in this study; 74 patients were diagnosed as early-stage PC patients and the remaining 54 were diagnosed with benign pancreatic lesions. The mean size of the PC was 17.8±4.9 mm. The results revealed that 68 of the 74 PC patients were correctly diagnosed by CE-US, and all 54 patients with benign pancreatic lesions were also correctly diagnosed. Meanwhile, only 55 of the 74 PC patients and 50 of the 54 patients with benign pancreatic lesions were diagnosed correctly using B-mode US. The ROC curve showed that the AUCs of CE-US and B-mode US were 0.959 and 0.835, respectively. According to the subgroup analysis, CE-US exhibited better accuracy than B-mode US for smaller tumors (size <20 mm, P=0.002; size <10 mm, P=0.043; size <5 mm, P=0.025).
CE-US was clearly superior to the conventional B-mode US in detecting early-stage PC, especially smaller sized PC.
CE-US was clearly superior to the conventional B-mode US in detecting early-stage PC, especially smaller sized PC.
We sought to examine the impact of neoadjuvant chemotherapy (NCT), single agent (SA) or multi-agent (MA) chemotherapy, and chemoradiation (NCRT) on response and survival in pancreatic cancer.
Utilizing the National Cancer Database, we identified patients who underwent resection of the pancreatic head for adenocarcinoma [2006-2013]. Overall survival (OS) analysis was performed using the Kaplan-Meier method. Multivariable cox proportional hazard models (MVA) and propensity score matching (PSM) were developed to identify predictors of survival. For upfront surgery (UFS), OS was limited to receipt of adjuvant treatment.
We identified 26,563 patients who underwent pancreatic head resection UFS =23,877, NCRT =1,482, and NCT =1,204. MA-NCT was utilized in 77% and after PSM, 52%. There was improved R0 resections and 30-day mortality associated with neoadjuvant therapy compared to UFS. Overall response rate to neoadjuvant therapy was 24%. The highest response rate seen with MA-NCRT. Response rates for SA-NCT, MA-NCT, SA-NCRT, and MA-NCRT were 11.5%, 18.1%, 27.5%, and 33.1% (P=0.01). However, OS was improved with neoadjuvant therapy regardless of response compared to UFS (P=0.03). After PSM, the median OS for UFS, SA-NCT, MA-NCT, SA-NCRT, and MA-NCRT was 21.9, 21.5, 29.8, 25.3, and 25.8 months in all patients (P=0.001). MVA after PSM demonstrated that only MA-NCT was associated with decreased mortality while increasing age, higher Charlson-Deyo index, N1, higher grade, tumor size, and positive margins were associated with higher mortality.
There was improved OS associated with MA-NCT in pancreatic cancer patients compared to UFS with adjuvant therapy. OS was improved regardless of response to therapy.
There was improved OS associated with MA-NCT in pancreatic cancer patients compared to UFS with adjuvant therapy. OS was improved regardless of response to therapy.
Imaging and alpha fetoprotein (AFP) measurement are used as surveillance methods during interventional therapy in patients with unresectable liver cancer, but their accuracy has been challenged in patients receiving drug perfusion therapy. Circulating tumor DNA (ctDNA) can reflect tumor load and treatment efficacy. Studies of the prognostic value of ctDNA in unresectable liver cancer are needed.
Forty-two patients with unresectable liver cancer were prospective enrolled in this study. Pre-treatment, in-treatment plasma samples and available matched tissue samples were collected. Targeted-capture sequencing of 1,021 genes that are frequently mutated in solid tumors.
Targeted-capture sequencing of 1,021 genes that are frequently mutated in solid tumors revealed that the most frequently mutated genes in ctDNA were TP53 (52.4%) and TERT (35.7%). The ctDNA abundance was more closely correlated with tumor size than the AFP level and was also related to BCLC stage (P<0.001). Gene mutations profile in ctDNA rden prior to immunotherapy.
Alternative splicing (AS) is a transcriptional regulation mechanism, which can expand the coding ability of genome and contribute to the occurrence and development of cancer. A systematic analysis of AS in hepatocellular carcinoma (HCC) is lacking and urgently needed.
Univariate and multivariate Cox regression analyses were used to distinguish survival-related AS events and to calculate the risk score. Kaplan-Meier analysis and receiver operating characteristic (ROC) curves were used to evaluate the AS events' clinical significance to build a risk model in HCC.
Data of AS events was obtained from the Splice-Seq database. The corresponding clinical information of HCC was downloaded from The Cancer Genome Atlas (TCGA) data portal. We analyzed 78,878 AS events from 13,045 genes in HCC patients. A total of 2,440 and 2,888 AS events were significantly related to HCC patients' disease-free survival (DFS) and overall survival (OS). The two prognostic models (DFS and OS) were constructed based on a total of seven AS types from survival-related AS events above. Selleckchem Ruxotemitide The area under the curve (AUC) of the ROC curves was 0.769 in the DFS cohort and 0.886 in the OS cohort.
The prognostic model constructed by AS events can be used to predict the prognosis of HCC patients and provide potential therapeutic targets for further validation.
The prognostic model constructed by AS events can be used to predict the prognosis of HCC patients and provide potential therapeutic targets for further validation.
Recently, several studies have examined the association between preoperative sarcopenia and prognosis evaluation in patients with hepatocellular carcinoma (HCC) undergoing hepatectomy. However, their conclusions remain ambiguous and controversial. Thus, we conducted a meta-analysis to assess the prognostic role of preoperative sarcopenia in patients with HCC undergoing hepatectomy.
We searched the existing literature reporting on the prognostic value of preoperative computed tomography (CT)-assessed sarcopenia for the survival of patients with HCC undergoing hepatectomy. The pooled hazard ratios (HRs) and corresponding 95% confidence intervals (CIs) of overall survival (OS) and disease-free survival (DFS) were used to assess the prognostic value of preoperative sarcopenia in HCC patients. The associations between preoperative sarcopenia and clinicopathological characteristics were also evaluated.
A total of six studies with 1,420 patients (including 458 sarcopenia and 962 non-sarcopenia patients) were included in the meta-analysis.
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