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1.
Chin. j. integr. med ; Chin. j. integr. med;(12): 85-95, 2024.
Article in English | WPRIM | ID: wpr-1010271

ABSTRACT

Cancer is one of the deadliest diseases affecting the health of human beings. With limited therapeutic options available, complementary and alternative medicine has been widely adopted in cancer management and is increasingly becoming accepted by both patients and healthcare workers alike. Chinese medicine characterized by its unique diagnostic and treatment system is the most widely applied complementary and alternative medicine. It emphasizes symptoms and ZHENG (syndrome)-based treatment combined with contemporary disease diagnosis and further stratifies patients into individualized medicine subgroups. As a representative cancer with the highest degree of malignancy, pancreatic cancer is traditionally classified into the "amassment and accumulation". Emerging perspectives define the core pathogenesis of pancreatic cancer as "dampness-heat" and the respective treatment "clearing heat and resolving dampness" has been demonstrated to prolong survival in pancreatic cancer patients, as has been observed in many other cancers. This clinical advantage encourages an exploration of the essence of dampness-heat ZHENG (DHZ) in cancer and investigation into underlying mechanisms of action of herbal formulations against dampness-heat. However, at present, there is a lack of understanding of the molecular characteristics of DHZ in cancer and no standardized and widely accepted animal model to study this core syndrome in vivo. The shortage of animal models limits the ability to uncover the antitumor mechanisms of herbal medicines and to assess the safety profile of the natural products derived from them. This review summarizes the current research on DHZ in cancer in terms of the clinical aspects, molecular landscape, and animal models. This study aims to provide comprehensive insight that can be used for the establishment of a future standardized ZHENG-based cancer animal model.


Subject(s)
Animals , Humans , Medicine, Chinese Traditional , Hot Temperature , Pancreatic Neoplasms/therapy , Models, Animal , Syndrome
2.
Zhonghua Wai Ke Za Zhi ; (12): 550-555, 2023.
Article in Chinese | WPRIM | ID: wpr-985807

ABSTRACT

The prognosis for pancreatic cancer is extremely poor. To improve the prognosis of pancreatic cancer, it is urgently needed to improve early detection to advance treatment. And basically, it is also necessary to emphasise basic research to find novel therapies. By promoting the disease-centered multidisciplinary team model, researchers should achieve high-quality closed-loop process management of the entire life cycle which consists of prevention, screening, diagnosis, treatment, rehabilitation,and follow-up, with the objective of establishing a standard clinical process to improve the outcome in essence. This article summarized the progress of pancreatic cancer at different stages of the whole cycle management recently and shared the experience of pancreatic cancer treatment from the author's team in the past ten years.


Subject(s)
Humans , Pancreatic Neoplasms/therapy , Pancreas , Prognosis
3.
Neuroscience Bulletin ; (6): 1717-1731, 2023.
Article in English | WPRIM | ID: wpr-1010643

ABSTRACT

Pancreatic ductal adenocarcinoma (PDAC) is a highly aggressive lethal malignancy, characterized by late diagnosis, aggressive growth, and therapy resistance, leading to a poor overall prognosis. Emerging evidence shows that the peripheral nerve is an important non-tumor component in the tumor microenvironment that regulates tumor growth and immune escape. The crosstalk between the neuronal system and PDAC has become a hot research topic that may provide novel mechanisms underlying tumor progression and further uncover promising therapeutic targets. In this review, we highlight the mechanisms of perineural invasion and the role of various types of tumor innervation in the progression of PDAC, summarize the potential signaling pathways modulating the neuronal-cancer interaction, and discuss the current and future therapeutic possibilities for this condition.


Subject(s)
Humans , Carcinoma, Pancreatic Ductal/pathology , Pancreatic Neoplasms/therapy , Signal Transduction , Peripheral Nerves/metabolism , Tumor Microenvironment
4.
Frontiers of Medicine ; (4): 1135-1169, 2023.
Article in English | WPRIM | ID: wpr-1010825

ABSTRACT

Pancreatic cancer, notorious for its late diagnosis and aggressive progression, poses a substantial challenge owing to scarce treatment alternatives. This review endeavors to furnish a holistic insight into pancreatic cancer, encompassing its epidemiology, genomic characterization, risk factors, diagnosis, therapeutic strategies, and treatment resistance mechanisms. We delve into identifying risk factors, including genetic predisposition and environmental exposures, and explore recent research advancements in precursor lesions and molecular subtypes of pancreatic cancer. Additionally, we highlight the development and application of multi-omics approaches in pancreatic cancer research and discuss the latest combinations of pancreatic cancer biomarkers and their efficacy. We also dissect the primary mechanisms underlying treatment resistance in this malignancy, illustrating the latest therapeutic options and advancements in the field. Conclusively, we accentuate the urgent demand for more extensive research to enhance the prognosis for pancreatic cancer patients.


Subject(s)
Humans , Pancreatic Neoplasms/therapy , Prognosis , Pancreas/pathology , Genetic Predisposition to Disease , Genomics
5.
Zhonghua Wai Ke Za Zhi ; (12): 10-16, 2022.
Article in Chinese | WPRIM | ID: wpr-935572

ABSTRACT

Pancreatic cancer is one of the most malignant digestive system tumors. In the recent decade, the effect of diagnosis and treatment of pancreatic cancer has improved due to the renewal of treatment concept and the popularization of effective treatment. However, the overall efficacy of pancreatic cancer is still dismal and the 5-year survival rate is only about 10%. Further improving the diagnosis and treatment of pancreatic cancer is the top priority of oncology research and clinical practice. Based on past clinical and scientific research experience, the authors have proposed ten hot spots and future directions for a reference, which focusing on early prevention, early diagnosis, and early treatment of pancreatic cancer, molecular typing and precise treatment, new drug development and regimen combination, surgical technology and strategy change, model establishment and database development, as well as innovation of traditional Chinese medicine and breakthrough of treatment concept. A breakthrough in the diagnosis and treatment of pancreatic cancer in the next ten years is raising hope, when doctors can truly prevent and control pancreatic cancer.


Subject(s)
Humans , Pancreatic Neoplasms/therapy , Treatment Outcome
6.
Zhongguo yi xue ke xue yuan xue bao ; Zhongguo yi xue ke xue yuan xue bao;(6): 324-331, 2022.
Article in Chinese | WPRIM | ID: wpr-927883

ABSTRACT

As the detection rate of pancreatic cystic neoplasms (PCN) increases,recommendations or guidelines for the diagnosis and treatment of PCN have been released from professional organizations.From the perspective of radiology,we compared seven guidelines in terms of general introduction,preoperative monitoring methods and strategies,stratification of risk factors,surgical indications,and postoperative follow-ups,aiming to provide references for the evaluation of images and the formulation of individualized approach for the treatment of PCN.


Subject(s)
Humans , Pancreatic Cyst/therapy , Pancreatic Neoplasms/therapy , Pregnenolone Carbonitrile , Radiography , Radiology
7.
Rev. méd. Chile ; 149(12): 1773-1786, dic. 2021. tab, ilus
Article in Spanish | LILACS | ID: biblio-1389415

ABSTRACT

Pancreatic cystic neoplasms (PCN) are frequently detected on abdominal images performed for non-pancreatic indications. Their prevalence in asymptomatic population ranges from 2.7 to 24.8%, and increases with age. There are several types of pancreatic cysts. Some may contain cancer or have malignant potential, such as mucinous cystic neoplasms, including mucinous cystadenoma (MCN) and intraductal papillary mucinous neoplasms (IPMN). In contrast, others are benign, such as serous cystadenoma (SCA). However, even those cysts with malignant potential rarely progress to cancer. Currently, the only treatment for pancreatic cysts is surgery, which is associated with high morbidity and occasional mortality. The Board of the Chilean Pancreas Club of the Chilean Gastroenterology Society developed the first Chilean multidisciplinary consensus for diagnosis, management, and surveillance of PCN. Thirty experts were invited and answered 21 statements with five possible alternatives: 1) fully agree; 2) partially agree; 3) undecided; 4) disagree and 5) strongly disagree. A consensus was adopted when at least 80% of the sum of the answers "fully agree" and "partially agree" was reached. The consensus was approved by the Board of Directors of the Chilean Pancreas Club for publication.


Subject(s)
Humans , Pancreatic Cyst/diagnosis , Pancreatic Cyst/therapy , Pancreatic Neoplasms/diagnosis , Pancreatic Neoplasms/pathology , Pancreatic Neoplasms/therapy , Chile/epidemiology , Consensus
8.
Rev. Soc. Bras. Clín. Méd ; 19(1): 2-6, março 2021.
Article in Portuguese | LILACS | ID: biblio-1361676

ABSTRACT

Objetivo: Estimar a taxa de sobrevida por câncer de pâncreas. Métodos: Trata-se de estudo com delineamento de coorte retrospectiva, realizado no período de 2007 a 2018, em um hospital terciário no Sul do Brasil. A amostra foi composta de 66 indivíduos que realizaram acompanhamento no Hospital Nossa Senhora da Conceição, em Tubarão (SC), cujo sítio primário da doença tenha sido o pâncreas. Resultados: Dos 66 prontuários avaliados, 35 pertenciam a pessoas do sexo masculino (53%), com média de idade de diagnóstico de 64,3 anos. O estádio mais prevalente foi o IV (46 pacientes, correspondente a 69,7%). O tempo médio de sobrevida global foi de 462,02 dias (desvio-padrão de 90,76), e a mediana foi de 320 dias. Conclusão: Identificou-se uma prevalência maior em pessoas do sexo masculino, idosos e caucasianos e em indivíduos no estadiamento IV.


Objective: To estimate the survival rate for pancreatic cancer. Methods: This is aretrospective cohort study conducted from 2007 to 2018 in a tertiary hospital in Southern Brazil. The sample consisted of 66 individuals followed up at Hospital Nossa Senhora da Conceição, in Tubarão (SC), whose primary site of the disease was the pancreas. Results: Of the 66 medical records assessed, 35 were of male (53%) individuals, with a mean age at diagnosis of 64.3 years. The most prevalent stage was IV (46 patients, corresponding to 69.7%). The mean overall survival time was 462.02 days (standard deviation of 90.76) and the median was 320 days. Conclusion: Higher prevalence of males, elderly people, and Caucasians was observed, as well as IV staging.


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Aged, 80 and over , Pancreatic Neoplasms/epidemiology , Carcinoma, Pancreatic Ductal/epidemiology , Pancreatic Neoplasms/diagnosis , Pancreatic Neoplasms/therapy , Tobacco Use Disorder , Survival Analysis , Prevalence , Retrospective Studies , Risk Factors , Sex Distribution , Carcinoma, Pancreatic Ductal/diagnosis , Carcinoma, Pancreatic Ductal/therapy , Binge Drinking , Neoplasm Staging
9.
Zhonghua Wai Ke Za Zhi ; (12): 561-577, 2021.
Article in Chinese | WPRIM | ID: wpr-887709

ABSTRACT

The incidence of pancreatic cancer has been rising worldwide,while its clinical diagnosis and treatment remain a great challenge. To present the update and improvements in the clinical diagnosis and treatment of pancreatic cancer in recent years, Chinese Pancreatic Surgery Association,Chinese Society of Surgery,Chinese Medical Association updated "Guidelines for the diagnosis and treatment of pancreatic cancer in China (2021)" based on the Guideline of Management of Pancreatic Cancer in China which had been published in 2014. This updated guideline was formulated after reviewing evidence-based and problem-oriented literatures published from 2015-2021,mainly focusing on highlight issues regarding diagnosis and surgical treatment of pancreatic cancer,conversion strategies for locally advanced pancreatic cancer,treatment of pancreatic cancer with oligo metastasis,adjuvant and neoadjuvant therapy,standardized processing of surgical specimens and evaluation of surgical margin status,systemic treatment for unresectable pancreatic cancer,genetic testing,as well as postoperative follow up of patients with pancreatic cancer. Forty recommendation items were finally proposed based on the above issues,and the quality of evidence and strength of recommendations were graded using the Grades of Recommendation,Assessment,Development,and Evaluation system. This guideline aims to improve the ability of clinical diagnosis and therapy,especially surgical treatment of pancreatic cancer in China,and furtherly improve the prognosis of pancreatic cancer patients.


Subject(s)
Humans , China , Neoadjuvant Therapy , Pancreatic Neoplasms/therapy
10.
Zhonghua Wai Ke Za Zhi ; (12): 81-100, 2021.
Article in Chinese | WPRIM | ID: wpr-878274

ABSTRACT

The incidence of pancreatic cancer has increased in recent years, and the mortality has ranked the third among malignant tumors. Advances have been made in the diagnosis and treatment of pancreatic cancer in the past decade, however, the current situation is still severe due to the uneven medical level in different regions of China. In 2018, Pancreatic Cancer Committee of Chinese Anti-cancer Association formulated the "Chinese comprehensive guidelines for the diagnosis and treatment of pancreatic cancer (2018 version)", with the view for standardizing and improving the level of diagnosis and treatment of pancreatic cancer in China. In 2020, the committee worked out the latest version of "Chinese comprehensive guidelines for the diagnosis and treatment of pancreatic cancer (2020 version)", based on the development in the past two years. These updates were mainly reflected in the following aspects: breakthroughs in targeted therapy and immunotherapy, and genetic screening and genetic sequencing has been firstly applied in the comprehensive diagnosis and treatment of pancreatic cancer. The practicability and accuracy of the 8th edition of AJCC-TNM staging system for pancreatic cancer has been validated in multi-center of China and has been used in clinical practice. Preoperative neoadjuvant therapy has become the standard treatment for borderline resectable and locally advanced pancreatic cancer, and it is gradually applied to the resectable pancreatic cancer. The surgical exploration after neoadjuvant therapy is particularly important. Chemotherapy-based systemic treatment modality, including targeted therapy and immunotherapy, has been carried out in clinical trial setting, and the benefits of maintenance therapy have been confirmed in advanced pancreatic cancer. The multi-disciplinary and multi-regional collaborative diagnosis and treatment pattern is widely popularized in China and runs through the entire diagnosis and treatment process. The development of domestic clinical trials and multi-center, cross-regional cooperation provides high-level evidence of evidence-based medicine for the new drug development and regimen optimization of pancreatic cancer. By incorporating the above latest advances into the new guideline, we aim to provide further guidance for the comprehensive diagnosis and treatment of pancreatic cancer in China.


Subject(s)
Humans , Antineoplastic Combined Chemotherapy Protocols , China , Neoadjuvant Therapy , Neoplasm Staging , Pancreatic Neoplasms/therapy
11.
Med. Afr. noire (En ligne) ; 66(7): 402-406, 2019.
Article in French | AIM | ID: biblio-1266345

ABSTRACT

Introduction : Les traumatismes du pancréas sont plus fréquents. Ils rentrent souvent dans un contexte de polytraumatisme, les traumatismes isolés étant beaucoup plus rares. La présentation clinique est variée, à l'origine de retard de consultation. La tomodensitométrie abdominale reste l'examen diagnostique de référence. La chirurgie intègre l'arsenal thérapeutique avec de nombreuses options. Les auteurs se proposent de rapporter ce cas opéré au CHU de Libreville afin de relever les difficultés diagnostiques et les modalités thérapeutiques de cette entité rare. Observation : Mr SM, 37 ans, consultait pour un traumatisme abdominal post-rixe. L'examen physique notait un état de choc, une sensibilité diffuse abdominale, sans défense ni contracture. La TDM abdominale objectivait un hématome rétro-péritonéal et un épanchement péritonéal associé. L'amylasémie était à 660 UI/mL, associée à une anémie normochrome normocytaire à 9 g/dL. L'exploration chirurgicale révélait un hématome de la tête du pancréas et du deuxième duodénum. L'évacuation de l'hématome avec pose d'un drain étaient réalisés. Les suites post-opératoires étaient compliquées d'une fistule pancréatique abondante. La seconde laparotomie objectivait une fistule pancréatique avec rupture canalaire à la jonction tête-corps. Une duodéno-pancréatectomie céphalique selon Whipple était réalisée. Le patient décédait à J3 post-opératoire. Conclusion : Les traumatismes pancréatiques isolés sont rares. Leur gravité est matérialisée par l'atteinte canalaire. Le diagnostic repose sur la TDM abdominale qui doit être est systématique en cas de traumatisme abdominal et la CPRE. La DPC est une option chirurgicale avec des complications lourdes


Subject(s)
Gabon , Pancreas , Pancreatic Neoplasms/complications , Pancreatic Neoplasms/diagnosis , Pancreatic Neoplasms/therapy
12.
Rev. med. Rosario ; 84(2): 67-70, mayo-ago. 2018. tab
Article in Spanish | LILACS | ID: biblio-1050943

ABSTRACT

El cáncer de páncreas resulta una de las patologías oncológicas con mayor índice de mortalidad en Argentina. Dadala importancia y prevalencia de esta afección, en los últimos años se han desarrollado varias alternativas de tratamiento que incluyen cirugía, radioterapia y quimioterapia endovenosa. El FOLFIRINOX es uno de los esquemas dequimioterapia de primera línea en los casos de neoadyuvancia y tumores avanzados. El esquema incluye dos drogasneurotóxicas: Oxaliplatino e Irinotecán. Se presentan dos casos de neurotoxicidad orofaríngea durante la infusiónde quimioterapia: un paciente masculino de 38 años y una femenina de 54. En ambos casos la neurotoxicidad fuereversible espontáneamente. Se plantea la disminución de la velocidad de infusión de oxaliplatino y la separación dela administración de ambas drogas como estrategia para la disminución de los efectos adversos(AU)


Pancreatic cancer is one of the oncological pathologies with the highest mortality rate in Argentina. Given the prevalenceof this condition, several treatments have been developed, including surgery, radiotherapy and intravenous chemotherapy.FOLFIRINOX is one of the first-line chemotherapy schemes in cases of neoadjuvant and advanced tumors. The schemeincludes two highly neurotoxic drugs: Oxaliplatin and Irinotecan. We present two cases of oropharyngeal neurotoxicityduring the chemotherapy infusion. A 38 years old male patient and 54 years old female patient. In both cases theoropharyngeal neurotoxicity was spontaneously reversible. The decrease in the rate of infusion of oxaliplatin and theseparation of the administration of both drugs was the strategy for the reduction of adverse effects(AU)


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Pancreatic Neoplasms/drug therapy , Neurotoxicity Syndromes , Pancreatic Neoplasms/therapy , Drug Therapy , Drug-Related Side Effects and Adverse Reactions , Dysarthria
13.
Rev. méd. Chile ; 144(10): 1305-1318, oct. 2016.
Article in Spanish | LILACS | ID: biblio-845445

ABSTRACT

Pancreatic cancer is a malignancy of great impact in developed countries and is having an increasing impact in Latin America. Incidence and mortality rates are similar for this cancer. This is an important reason to offer to the patients the best treatments available. During the Latin American Symposium of Gastroenterology Oncology (SLAGO) held in Viña del Mar, Chile, in April 2015, a multidisciplinary group of specialists in the field met to discuss about this disease. The main conclusions of this meeting, where practitioners from most of Latin American countries participated, are listed in this consensus that seek to serve as a guide for better decision making for patients with pancreatic cancer in Latin America.


Subject(s)
Humans , Pancreatic Neoplasms/therapy , Adenocarcinoma/therapy , Practice Guidelines as Topic , Disease Management , Consensus Development Conferences as Topic , Deoxycytidine/analogs & derivatives , Deoxycytidine/therapeutic use , Chemoradiotherapy , Latin America , Antimetabolites, Antineoplastic/therapeutic use
14.
São Paulo; s.n; 2015. [155] p. tab, ilus, graf.
Thesis in Portuguese | LILACS | ID: biblio-870843

ABSTRACT

Introdução: O acesso biliar ecoguiado é um método de drenagem alternativo à drenagem percutânea transhepática (DPTH) e à cirurgia em pacientes com obstrução biliar distal incurável que falharam drenagem por Colangiopancreatografia Endoscópica Retrógrada (CPRE). Nos casos em que a drenagem ecoguiada anterógrada transpapilar (ou transanastomótica) e o rendez-vous ecoguiado não podem ser realizados como primeira opção, a coledocoduodenostomia (CDT) e a hepaticogastrostomia (HPG) ainda podem ser realizadas em pacientes selecionados. Estas duas vias de drenagem não anatômicas criam uma fístula entra a via biliar e o estômago ou duodeno. Não há dados na literatura que determinem superioridade de uma ou outra técnica. Objetivo: Comparar o sucesso técnico, sucesso clínico e fatores associados entre as duas vias de drenagem em pacientes com obstrução da via biliar distal maligna incurável que não lograram sucesso na drenagem por CPRE ou rendez-vous ecoguiado. Métodos: Entre abril de 2010 e dezembro de 2013, 49 pacientes com obstrução biliar distal maligna incurável que falharam CPRE e rendez-vous ecoguiado foram randomizados para CDT ou HPG. Dados referentes ao sucesso técnico, sucesso clínico, tempo de procedimento, complicações, qualidade de vida e sobrevida foram coletados até três meses após o procedimento. Todos os procedimentos foram realizados em um centro terciário de endoscopia pelo mesmo endoscopista. Próteses biliares parcialmente recobertas (Boston Scientific, Wallflex, 10 mm, 8 cm ou 6 cm) foram utilizadas em todos os pacientes com sucesso técnico. Nos casos de HPG a punção ecoguiada foi intra-hepática no ducto hepático esquerdo. Nos casos de CDT a punção foi extra-hepática no segmento distal não obstruído do colédoco. Após a punção foi realizada colangiografia com introdução de um fio guia hidrofílico de 0,035 polegada. Dilatação com cateter e um dispositivo de needle knife foi realizada para permitir introdução do sistema de disparo da prótese biliar...


Background: EUS-guided biliary access is an alternative for percutaneous access or surgery in patients with malignant unresectable distal biliary obstruction and failed ERCP. When rendezvous or anterograde transpapillary/transanastomotic intervention fails as primary drainage options, a Choledochoduodenostomy (CDT) or a Hepaticogastrostomy (HGT) can still be performed in selected patients. This procedure creates a new " " y I w one route or the other should be recommended. Aim: To compare technical and clinical success and possible associated factors between the two different drainage routes CDT and HGT in patients with distal unresectable malignant biliary obstruction that failed standard ERCP and EUS-guided rendez vouz (RV) maneuver. Methods: Between April/2010 and December/2013 49 consecutive jaundiced patients with distal unresectable malignant biliary obstruction that failed previous ERCP and EUS-guided RV maneuver were elected randomly to undergo either EUS-guided CDT or HGT. Data including indications, clinical and technical success, procedural times and complications with a three-month follow-up were prospectively collected in a database. All procedures were performed in a tertiary center by the same endoscopist. A partially covered SEMS (Boston Scientific, Wallflex, 10 mm, 8 cm or 6 cm) was used in all technically successful procedures. After puncture of left hepatic duct in case of HGT or the distal unobstructed segment of common bile duct in case of CDT a cholangiogram was obtained followed by advancement of a 0,035-inch guide wire into the biliary system. Bougies and wire-guided needle-knife were used to perform track dilation to allow passage of an 8.5 Fr stent delivery system. Results: Forty-nine cases (25 HGT and 24 CDT) were performed. All patients had intra and extra hepatic biliary dilation. Technical success rate was 96 % for HGT and 91% for CDT (p = 0.609). Clinical success rate was 91% for HPG and 77% for CDT (p = 0.234)...


Subject(s)
Humans , Male , Female , Cholangiopancreatography, Endoscopic Retrograde , Cholestasis , Drainage/adverse effects , Drainage/methods , Bile Ducts , Endoscopy , Endosonography , Jaundice, Obstructive , Pancreatic Neoplasms/therapy
15.
Indian J Cancer ; 2014 Apr-Jun; 51(2): 176-179
Article in English | IMSEAR | ID: sea-154332

ABSTRACT

BACKGROUND: Pancreatic cancer has an extremely poor prognosis and prolonged survival is achieved only by resection with macroscopic tumor clearance. There is a strong rationale for a neoadjuvant approach, since a relevant percentage of pancreatic cancer patients present with non‑metastatic but locally advanced disease. The objective of the present study was to assess the effect of neoadjuvant chemoradiation therapy (NACRT) on tumor response, down staging and resection, toxicity and any survival advantage. MATERIALS AND METHODS: A prospective pilot study was carried out from January 2009 to June 2011 in which 15 patients of locally advanced unresectable pancreatic cancer were included. All patients were treated with NACRT protocol with oral Capecitabine and 3D conformal radiotherapy (3DCRT) of 30 Gy in 10 fractions. The patients were restaged 3 to 4 weeks after the completion of NACRT and explored for resection. RESULTS: Out of 15 patients, fourteen were evaluable. Four patients underwent surgery, 5 had partial response but remained unresectable, 2 patients had stable disease and 3 had progressive disease. Most of the toxicities were slight and were in grade 1 to 2. None of the patients developed grade 3 or 4 gastrointestinal or hematological toxicity. The median survival was 15 months for resected patients and 8.6 months for unresected patients, respectively. The 2 year actuarial overall survival was 34.6%. CONCLUSION: All patients with locally unresectable pancreatic cancer should be offered chemoradiation therapy, in hopes of down staging the tumor for possible resection and achieving higher survival.


Subject(s)
Aged , Antineoplastic Agents/administration & dosage , Chemoradiotherapy/methods , Deoxycytidine/administration & dosage , Deoxycytidine/analogs & derivatives , Feasibility Studies , Fluorouracil/administration & dosage , Fluorouracil/analogs & derivatives , Humans , Male , Middle Aged , Neoadjuvant Therapy/methods , Pancreatic Neoplasms/mortality , Pancreatic Neoplasms/therapy , Pilot Projects , Prospective Studies , Radiotherapy Planning, Computer-Assisted , Radiotherapy, Conformal , Tertiary Care Centers
16.
Gut and Liver ; : 433-437, 2014.
Article in English | WPRIM | ID: wpr-175276

ABSTRACT

BACKGROUND/AIMS: High intensity focused ultrasound (HIFU) utilizes a targeted extracorporeal focused ultrasound beam to ablate neoplastic pancreatic tissue. We used an in vitro model to examine the effects of bone, metallic stents, plastic stents, metal plates, and cyst-like lesions on HIFU treatment. METHODS: HIFU was delivered to the phantom models implanted with foreign bodies, and the location, shape, and size of the ablated zones were evaluated. RESULTS: Bone and metallic plates reflected the ultrasound beam, shifting the ablation zone from the focal zone to the prefocal area. In the phantoms containing metal stent, plastic stent, and cyst, most of the ablative energy was reflected to the prefocal area by the surface, with the remainder penetrating through the phantom. The area of the ablated margins was significantly larger in size and volume than the intended focal ablation zone. CONCLUSIONS: During HIFU therapy, artificial or anatomical barriers could affect the direction of the ultrasound beams, shifting the ablation zone from the focal area to a prefocal site with a larger than expected ablation zone. These factors should be considered prior to HIFU treatment for pancreatic tumors because they could limit ablation success, in addition to causing complications.


Subject(s)
Humans , Adenocarcinoma/therapy , High-Intensity Focused Ultrasound Ablation/methods , Models, Anatomic , Pancreatic Neoplasms/therapy , Phantoms, Imaging , Stents
17.
In. Guimarães, Marcos Duarte; Chojniak, Rubens. Oncologia. Rio de Janeiro, Elservier, 2014. p.585-605, ilus, 18, ilusuras.
Monography in Portuguese | LILACS | ID: lil-751098
18.
Acta gastroenterol. latinoam ; Acta gastroenterol. latinoam;44(2): 121-4, 2014 Jun.
Article in Spanish | LILACS, BINACIS | ID: biblio-1157441

ABSTRACT

The use of self-expandable enteral stents for palliation of malignant stenosis may present the complication of concealing the ampulla of Vater behind the metallic mesh. Anchoring in the duodenal wall (distal or partial migration) may also be a complication of biliary metallic stents and therefore may cause difficulty in gaining access to the biliary tract. In these cases of difficult access, a fenestration on the prosthesis ( biliary or enteral) can be created to allow reaching the obstructed biliary tract by means of argon plasma (AP). Were retrospectively analysed 7 cases. Under endoscopic vision, AP was directed to filgurate and cut 6 biliary prosthesis and a duodenal stent. Fulguration and cut of biliary stent was performed in 5 cases of distal partial migration and cholangitis. In one case of obstruction caused by distal migration inside the duodenal stent light, cutting of the biliary stent was performed. A window was created in the enteral prosthesis in order to access the ampulla of Vater and place a biliary tract prosthesis. All cases were resolved successfully and without complications. We conclude that the use of AP to fulgurate and cut nitinol prosthesis was effective and presented no complications in this series.


Subject(s)
Adult , Aged , Aged, 80 and over , Humans , Middle Aged , Pancreatic Neoplasms/complications , Stents , Duodenal Obstruction/therapy , Argon Plasma Coagulation , Palliative Care , Pancreatic Neoplasms/therapy , Retrospective Studies , Device Removal , Duodenal Obstruction/etiology
19.
Clinics ; Clinics;68(7): 1039-1056, jul. 2013. tab
Article in English | LILACS | ID: lil-680717

ABSTRACT

Inherited endocrine tumors have been increasingly recognized in clinical practice, although some difficulties still exist in differentiating these conditions from their sporadic endocrine tumor counterparts. Here, we list the 12 main topics that could add helpful information and clues for performing an early differential diagnosis to distinguish between these conditions. The early diagnosis of patients with inherited endocrine tumors may be performed either clinically or by mutation analysis in at-risk individuals. Early detection usually has a large impact in tumor management, allowing preventive clinical or surgical therapy in most cases. Advice for the clinical and surgical management of inherited endocrine tumors is also discussed. In addition, recent clinical and genetic advances for 17 different forms of inherited endocrine tumors are briefly reviewed.


Subject(s)
Female , Humans , Male , Multiple Endocrine Neoplasia/diagnosis , Pancreatic Neoplasms/diagnosis , Diagnosis, Differential , Early Detection of Cancer , Germ-Line Mutation , Multiple Endocrine Neoplasia/genetics , Multiple Endocrine Neoplasia/therapy , Pancreatic Neoplasms/genetics , Pancreatic Neoplasms/therapy , Risk Factors
20.
Prensa méd. argent ; Prensa méd. argent;99(2): 134-137, abr. 2013. ilus
Article in Spanish | LILACS | ID: lil-699430

ABSTRACT

Presentamos el caso de una paciente cuyo diagnóstico anatomo-patológico fue Cistoadenoma seroso micro-quístico multifocal de páncreas, realizamos una revisión de las alternativas diagnósticas y las diferentes propuestas terapéuticas de este infrecuente tumor pancreático.


Subject(s)
Aged , Cystadenoma, Serous/surgery , Cystadenoma, Serous/pathology , Cystadenoma, Serous/therapy , Diagnosis, Differential , Pancreatic Neoplasms/pathology , Pancreatic Neoplasms/therapy , Pancreatectomy , Therapeutics
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