Articles tagged with Adenocarcinoma
A study found a significant increase in high-grade dysplasia and esophageal adenocarcinoma among patients with Barrett's esophagus over the past 25 years. The prevalence of these conditions increased despite a decrease in BE length, highlighting the importance of careful examination during index endoscopy.
A genomic duplication in Caucasians could contribute to the high incidence of esophageal adenocarcinoma. Researchers found that African-Americans have a protective genetic variant, GSTT2, which may help prevent cancer. Flavonoids derived from cranberries show promise as a potential chemoprevention agent.
A study by NRG Oncology found that short-term androgen-deprivation therapy (ADT) combined with radiotherapy improved overall survival for men with early stage prostate adenocarcinoma for up to 10.4 years. However, the benefits dissipated after 18 years.
Patients with metastatic non-small cell lung cancer (NSCLC) treated at academic centers had higher 2-year survival rates than those treated at community-based centers. The study found significant differences in survival outcomes based on facility type, histology, and molecular profile.
A recent study found that DES-exposed patients with clear-cell adenocarcinoma had significantly increased mortality rates, with risks up to 27 times higher than the general U.S. population. The risk of death decreased with age, emphasizing the importance of early detection and aggressive treatment.
Researchers developed a DOTA-conjugated NTR1 antagonist to treat and monitor pancreatic cancer, showing significant tumor growth inhibition in early studies. The novel procedure was well-tolerated by patients, with one experiencing improved symptoms and quality of life.
A study found that bacterial composition differs in patients with pancreatic ductal adenocarcinoma, promoting immune suppression and tumor growth. Eliminating certain bacteria slowed cancer progression and increased T-cell infiltration into tumors.
Dechen Lin receives grant funding to research esophageal adenocarcinoma, the most common type of esophageal cancer in the US. He aims to understand its evolution from Barrett's esophagus and develop prevention strategies.
Two new studies evaluate the safety and effectiveness of endoscopic submucosal dissection (ESD) and liquid nitrogen spray cryotherapy (LNSCT) in treating Barrett's esophagus. ESD was found to have high en-bloc and curative resection rates, while LNSCT showed long-term efficacy in eliminating dysplasia and intestinal metaplasia.
Researchers found that a kinase-inactive Braf mutant triggers lung adenocarcinoma in mice, and co-expression of oncogenic Kras enhances tumor initiation. Additionally, individual Braf inactivating mutations are also oncogenic events. These findings suggest a potential therapeutic strategy for lung cancer patients with hypoactive BRAF.
The Penn researchers will study the role of microbiota and microenvironment in developing Barrett's esophagus and esophageal adenocarcinoma. Their goal is to advance knowledge of the disease and identify novel biomarkers and therapies.
Researchers have discovered that mutations in the RB1 and TP53 genes play a key role in treatment-resistant cancer cell-type transformation in lung cancers. Lung adenocarcinomas with complete inactivation of both genes tend to have a higher risk of transforming into small cell lung cancer during EGFR inhibitor therapy.
Researchers at Mayo Clinic identified Ect2 as a genetic promoter of lung cancer, driving tumor formation through increased ribosome production. The study found that Ect2 supports tumor cell growth by stimulating ribosome biogenesis.
Researchers found a strong correlation between circulating tumor DNA (ctDNA) and poor outcomes in pancreatic cancer patients. ctDNA levels were associated with disease stage, grade of differentiation, and overall survival. The study suggests that detecting ctDNA could help subclassify cancers and manage treatment.
A study of 101 advanced lung cancer patients found that hybrid capture-based next-generation sequencing (HC-based NGS) identified clinically actionable genomic alterations (GAs) in 50% of patients, leading to changes in treatment strategy. The overall response rate to targeted therapies was 65%, with median survival not yet reached.
A study published in Human Pathology found that lung cancer patients without the retinoblastoma tumor suppressor protein (pRB) experience significantly improved survival rates when undergoing chemotherapy. The absence of pRB was detected in 15% of patients, with a 92% 5-year survival rate compared to 49% for those with the protein.
Researchers have identified a novel approach to treating pancreatic cancer by introducing the protein E47, which can reprogram cancer cells back to their original state. This breakthrough offers new therapeutic possibilities and may lead to improved patient outcomes.
A new study supports the hypothesis that lung cancer can travel through airways to adjacent lung tissue. This finding has significant implications for diagnosis and management of primary lung adenocarcinoma.
Research reveals that minimally invasive adenocarcinoma (MIA) and adenocarcinoma in-situ (AIS) lung cancer patients have comparable five-year disease-free and overall survival rates of 97.7%. This finding suggests that tumor sub-classification may not provide additional prognostic information for patients with tumors ≤3 cm in size.
A novel software application, CANARY, can automatically analyze high-resolution CT images to classify early-stage non-small cell lung cancer patients into risk groups. The tool was developed at Mayo Clinic and demonstrated accurate stratification of patients into categories with different 5-year disease-free survival outcomes.
The UK tops the global league table for gullet cancer, specifically adenocarcinoma, in men. This type of cancer has seen a significant increase in high-income countries, particularly among men. The strongest risk factors for adenocarcinoma include acid reflux and obesity.
A new analysis reveals that US lung cancer rates are declining overall, but also uncovering previously unrecognized trends related to different subtypes and demographic groups. The study found declining rates for squamous and small cell carcinoma, as well as unspecified lung cancer, among certain populations.
ROS1 gene fusions were detected in 12 out of 492 specimens examined for lung adenocarcinoma using RT-PCR and IHC tests. ROS1 positive patients are significantly younger than the entire population, but there are no associations with gender or smoking history.
The study identified oncogenic driver genes in over 1,000 lung cancer patients and found that those with targeted treatments survived longer. The researchers aim to expand this technology to other types of lung cancer.
A recent study found that EGFR mutations are prevalent among the Asian population, with a frequency of 51.4% in stage IIIB or IV adenocarcinomas of the lung. The mutation was more common among women and never-smokers than previously reported.
Researchers have discovered significant genomic differences between adenocarcinoma and squamous cell carcinoma types of cervical cancer. High rates of PIK3CA mutations were found in both subtypes, while KRAS mutations were only present in adenocarcinomas. These findings suggest that targeted therapies may improve patient outcomes.
A study by Jennifer M. Yeh and colleagues found that H. pylori and smoking trends accounted for almost half of the observed decline in intestinal-type noncardia gastric adenocarcinoma incidence in US men between 1978 and 2008, with projections suggesting further declines until 2040.
Researchers found that tumors with ALK gene rearrangements can harbor up to 20% of additional mutations, including EGFR and MET genes. These coexisting mutations may impact treatment response to targeted therapies.
The new software tool, CANARY, uses data from existing CT images to match each pixel of the lung nodule to one of nine unique radiological exemplars. This classification method has an excellent correlation with microscopic analysis and may help address issues with current screening methods.
A study published by the International Association for the Study of Lung Cancer found that 54% of patients with early stage node-negative lung adenocarcinoma had tumors with at least one biologically relevant mutation. The researchers also discovered mutations associated with drug resistance in these patients.
Researchers identified microRNA expression signatures that define the progression of Barrett's esophagus into esophageal adenocarcinoma. A small number of microRNAs, including miR-375 and the miR-17-92 family, may differentiate Barrett's esophagus from esophageal adenocarcinoma.
A new study validates the IASLC/ATS/ERS classification for lung adenocarcinomas among Japanese patients, revealing prognostic value in histologic subtypes. The classification identifies specific molecular markers, such as EGFR and KRAS mutations, associated with prognosis and treatment outcomes.
A global assessment found that the rise of oesophageal adenocarcinoma began in the UK during the 1950s and has continued to increase rapidly across eight countries. The exact cause remains unknown, but risk factors such as obesity, smoking, and acid reflux have contributed to its growth.
A large systematic review of 12,000 papers found that improved endoscopy equipment, more endoscopic surgery, and larger tissue samples are crucial for effective management. The review used the Delphi process to reach consensus on key findings, which should guide clinical practice and inform future research.
A new study proposes a highly accurate blood-based screen for pancreatic adenocarcinoma, which could lead to earlier detection and improved survival rates. Researchers identified 40 biomarkers with high sensitivity and specificity, offering hope for developing an effective panel.
A new study from the University of Pittsburgh found that medically treated GERD patients with mild or no symptoms are at a higher risk for developing esophageal cancer. The research suggests that even asymptomatic patients may benefit from Barrett's esophagus screening to prevent cancerous transformation.
Multipolar electrocoagulation ablation therapy in combination with acid suppression is a safe and effective method to ablate nondysplastic Barrett's esophagus over the long term, according to a new study. No adenocarcinoma or high-grade dysplasia developed in any of the study patients.
Research from the BEACON Consortium found no association between heavy drinking and esophageal adenocarcinoma, contrasting with a well-established link to squamous cell carcinoma. Light drinkers had lower risk of these cancers than non-drinkers.
A new international multidisciplinary classification of lung adenocarcinoma has been published by three top lung associations. The classification takes a comprehensive approach, incorporating advances in genetics, clinical information, and molecular studies to improve diagnosis and treatment.
A study found that tumor budding is a distinct morphologic feature with biologic and prognostic significance in lung adenocarcinoma, significantly linked to aggressive disease characteristics. The presence of tumor budding was also associated with lower five-year survival rates.
Researchers found that ALDH-positive tumor cells have a worse prognosis and are more likely to proliferate and invade compared to ALDH-negative cells. ALDH-positive cells were detected in 90% of primary surgical specimens and were associated with shorter overall survival.
Researchers have identified CD99 as a potential new drug target for Ewing sarcoma. A novel type of cellular senescence has also been found to suppress prostate tumorigenesis. Additionally, the protein USAG-1 has been linked to the development of Alport syndrome, suggesting a promising therapeutic approach.
Researchers verified that three commonly used esophageal adenocarcinoma cell lines were actually from lung carcinoma, colorectal adenocarcinoma, and gastric fundus carcinoma. This finding highlights the importance of authenticating cell lines to ensure accurate treatment strategies for esophageal cancer patients.
Research in Taiwan found working after meals and H. pylori infection increase GCA risk, while healthy diet may reduce it. Healthy dietary habits and eradication of H. pylori are crucial for prevention.
A novel marker of TSPAN1 has been identified as a significant prognostic indicator for patients with colorectal adenocarcinoma. The protein's expression was found to correlate with histological grade, cell proliferation, lymph nodal metastasis, and TNM staging, leading to a shorter survival period in those with overexpression.
A multi-institution team has identified 26 genes that are frequently mutated in lung adenocarcinoma, more than doubling the number of known associations with the disease. The study also detailed key pathways involved in lung cancer and described patterns of genetic mutations among different subgroups of patients.
A 52-year-old woman presented with a rectal mass containing tubulovillous adenoma, high-grade dysplasia, and invasive adenocarcinoma. Histological analysis revealed co-existence of sarcomatoid carcinoma and invasive adenocarcinoma, supporting the monoclonal theory of pathogenesis.
Researchers detected extensive microsatellite alterations in D3S1616, D5S346, D2S123, D3S1300 and D18S58 loci in the metaplasia-dysplasia-adenocarcinoma sequence of Barrett esophagus. These findings suggest that these markers may be useful for early detection of esophageal adenocarcinoma.
A study found that community-based use of treatment for US gastroesophageal adenocarcinoma varies depending on clinical and non-clinical factors. Chemotherapy and chemoradiation are associated with improved survival rates, while anatomic site differentiation is crucial for effective treatment.
A unique case of gastric cancer combined with adenocarcinoma, choriocarcinoma, and neuroendocrine cell carcinoma has been reported. The prognosis for this rare type of gastric cancer is poor, as seen in the case where the patient died due to hepatic failure.
Researchers develop genetically engineered mice with defects in Wnt/â-catenin and PI3K/Pten signaling pathways, leading to rapid tumor development and metastasis. The study aims to improve early detection and treatment of ovarian cancer.
Research suggests that nonsteroidal anti-inflammatory drugs (NSAIDs) may reduce the risk of developing esophageal adenocarcinoma in patients with Barrett's esophagus. The study found a significant protective effect in patients with multiple genetic abnormalities.
A new study at the University of Michigan Health System found that obese patients who underwent a procedure called transhiatal esophagectomy had outcomes similar to lean counterparts. The study suggests that the procedure is safe for obese patients, but results may vary in hospitals with lower volumes.
Researchers at Mayo Clinic have found a significant association between acid reflux and esophageal cancer, with patients who experience acid reflux having a 30- to 125-fold increased risk of developing esophageal cancer. The study also discovered susceptibility genes in familial Barrett's esophagus and esophageal cancer.
A recent study found that HPV infection is a top risk factor for cervical adenocarcinoma globally. The research, conducted on eight case-control studies across Africa, South America, and Southeast Asia, revealed an 80-fold increased risk of cervical adenocarcinoma among HPV-positive women.
Researchers at Yale University found no direct evidence to support the theory that carbonated soft drinks contribute to esophageal adenocarcinoma risk. Instead, they discovered an inverse association between diet soda consumption and reduced risk of this cancer subtype in men and women.
A prospective study found that long-term aspirin use reduces the risk of developing oesophageal adenocarcinoma in people with Barrett's oesophagus. Current users had a significantly lower risk than never users, with a hazard ratio of 0.32.
Researchers found a significant association between H. pylori infection and reduced risk of esophageal adenocarcinoma, but a two-fold increased risk of squamous-cell carcinoma. Gastric atrophy was not linked to disease risk, suggesting an alternative pathway from H. pylori to cancer.
A Mayo Clinic study found that adenocarcinoma of the lung is more strongly associated with smoking than previously recognized. Women who smoked a pack of cigarettes a day for 20 to 39 years had a higher risk of developing lung cancer, particularly adenocarcinoma.
Researchers identified three genetic subtypes of lung adenocarcinomas, each associated with different survival rates and treatment outcomes. The study could improve diagnosis and treatment options for patients with this aggressive form of lung cancer.