Clinical Oncology

[Invasive endoscopy in oncology]

MADÁCSY László

MAY 10, 2015

Clinical Oncology - 2015;2(02)

[Recent advances in interventional gastrointestinal endoscopy have led to a large variety of new diagnostic and minimally invasive endoscopic surgical procedures in oncological patients. Endoscopic ultrasound with the possibility of fi ne needle aspiration is currently one of the most accurate imaging technology for adequate staging of gastrointestinal cancers including oesophageal, gastric, rectal and pancreatic cancer. Endoscopic mucosal resection and endoscopic submucosal dissection offers a minimal invasive endoscopic treatment modality as an alternative for laparoscopic surgery for patients with early intramucosal neoplasias, fl at adenomas and laterally spreading tumors of the oesophagus, stomach, duodenum and colorectum. Self-expandable metal stents are now readily available for endoscopic palliation of different type of malignant gastrointestinal obstructions including oesophageal, duodenal, colonic and biliary stenosis. These recent developments of interventional gastrointestinal endoscopy lead to more precise and accurate tumor staging and more effective oncological therapy for patients with gastrointestinal cancers.]

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Further articles in this publication

Clinical Oncology

[Adjuvant chemotherapy for operable breast cancer]

NAGYKÁLNAI Tamás, LANDHERR László

[The use of adjuvant chemotherapy in early stage breast cancer has made signifi cant progress in the last decades. This review will focus on the benefi cial effects of different chemotherapy regimens on the risk of recurrence and breast cancer mortality.]

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[Chemotherapy of the thyroid cancer]

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[The incidence of thyroid cancers increased signifi cantly over the past few decades, but the mortality rate decreased. The clinical course and therapy for the three types of thyroid cancer (differentiated, medullary and anaplastic) are different. The medical therapy consists of levothyroxin therapy, conventional chemotherapeutic agents and tyrosin kinase inhibitors. The aim of this review is to summarize the therapeutic options of each histological subtype.]

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[Diagnosis and therapy of childhood brain tumors – an update]

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[Childhood cancers are rare disorders. The average annual age-standardized incidence is 149/1000000 (0-14 yrs). Diagnosis of childhood brain tumors, despite the specifi c localization and advanced imaging techniques can cause diffi culties. In recent years, due to better early recognition, number of surgically removable brain tumors is increasing. Early detection of the disease (clinical knowledge), use of modern imaging (fMRI) techniques and detection of characteristic molecular lesions allow up-to-date diagnosis and successful treatments. These approaches provide the basis for risk-adapted personalized treatment options]

Clinical Oncology

[How the molecular informations infl uence the therapeutic strategy against colorectal cancer?]

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[Colorectal cancer is not a homogenous disease, but it has different subgroups based on their molecular characteristics. NCCN and ESMO guidelines emphasize the importance of the determination of RAS and BRAF mutations in those patients who are intended to treat with targeted therapy. The increase in knowledge on the molecular changes will help to design and start a new generation of clinical trials, which will be designed not on their randomization of large groups of unselected patients, but rather on the consideration of the molecular subgroups determined before introducing therapy.]

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[Circulating tumor cells - a promising new approach]

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[It is an old observation, that tumor cells can escape from the primary, travel with the circulation, and fi nally be arrested in distant places. To know the potential „advantage” of this phenomenon (circulating tumor cells, CTC) is very important. One of the key questions is the proper sensitivity of isolation and characterisation techniques being able to represent the heterogeneity of tumorous clones. There is no doubt that the time arrived for the application of minimal invasive markers in oncology, with the hope that the survival of the patients can be improved using real-time monitoring and more effective therapy. The analysis of CTCs/cfDNA and other markers (e.g. miRNA, exosomes) obtained from the blood will be, hopefully, rutine tool in designing therapeutic strategy, and monitoring tumor response.]

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