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Commentary (Corry et al): The Role of Neck Dissection Following Definitive ChemoradiationIn this issue of ONCOLOGY, Kutleret al eloquently address the concept,application, and controversiesof a planned neck dissection inpatients with head and neck carcinomaand nodal metastasis who receivenonsurgical therapy to the primary tumor.As stated lucidly in the article,planned neck dissection arose in thehistorical context of low rates of completeresponse in patients with N2/3neck disease treated with conventionallyfractionated radiotherapy, coupledwith low surgical salvage ratesamong patients who failed in the neck.Hence, the concept evolved that allpatients with N2/3 neck disease shouldundergo a planned neck dissection regardlessof response to radiotherapy.
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Commentary (Brand et al): Pancreatic Cancer in the Older PatientPancreatic cancer is a disease seen predominantly in elderly patients. Compared to younger patients, older patients are more likely to present with early-stage disease and, therefore, may be candidates for aggressive local
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Docetaxel in the Management of Advanced or Metastatic Urothelial Tract CancerPhase II studies of single-agent docetaxel (Taxotere) yielded promising results in advanced or metastatic transitional cell carcinoma (TCC) of the urothelium. Antitumor responses have been demonstrated in previously treated and chemotherapy-naive TCC patients, as well as in a subgroup of patients with renal impairment unable to receive traditional cisplatin-based regimens.
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Commentary (Burt): Genetics of Colorectal CancerApproximately 6% of colorectal cancers can be attributed to recognizable heritable germline mutations. Familial adenomatous polyposis is an autosomal dominant syndrome classically presenting with hundreds to thousands of adenomatous colorectal polyps that are caused by mutations in the APC gene.
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DNA Microarrays in Lymphoid MalignanciesIn this issue of ONCOLOGY,Rosenwald describes in detail thecurrent state of gene expressionprofiling and its role in the classificationand prediction of outcome in lymphoidmalignancies. Since the firstpublication describing the use of geneexpression signatures to predict outcomein diffuse large B-cell lymphoma(DLBCL), a few subsequent papershave appeared, detailing comprehensivefindings in other lymphoma subtypes.[1-4] Together these works bringclarity to the molecular taxonomyof the non-Hodgkin's lymphomas(NHL). Insights gleaned from thesestudies not only provide an improvedunderstanding of the biology of thesetumors, but have also led to a significantimprovement in our ability to assignrisk for individual patients withlymphoma.[2]
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Rationale and Dose-Finding Studies of the Combination of Irinotecan and a Taxane on a Weekly ScheduleCisplatin (Platinol)-based chemotherapy has been the standard systemic therapy for both non-small-cell and small-cell lung cancer for the past 2 decades, though the efficacy and benefit remain modest. Recently, several novel
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Head and Neck TumorsThis management guide covers the risk factors, symptoms, diagnosis, staging, and treatment of head and neck cancers (including tumors of the oral cavity, oropharynx, hypopharynx, larynx, supraglottis, glottis, subglottis, and nasopharynx) using radiation, surgery, and medical treatment.
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Irinotecan/Thalidomide in Metastatic Colorectal CancerThe prognosis for patients with metastatic colorectal cancer is poor. Use of irinotecan (CPT-11, Camptosar) results in modest response rates of approximately 20% in refractory patients diagnosed with this advanced stage of disease and offers a side-effect profile that improves on that of previous standard treatments.
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Dermatologic Challenges in Cancer Patients and SurvivorsThe increased approval of anticancer agents has led to unprecedented results, with improved quality of life and longer survival times, resulting in millions of individuals living with a diagnosis of cancer. Whereas these novel medical, surgical, and radiation regimens, or combinations thereof, are largely responsible for these remarkable achievements, a new, unexpected constellation of side effects has emerged. Most notably, cutaneous toxicities have gained considerable attention, due to their high frequency and visibility, the relative effectiveness of anti–skin toxicity interventions, and the otherwise decreasing incidence of systemic or hematopoietic adverse events. Optimal care dictates that dermatologic toxicities must be addressed in a timely and effective fashion, in order to minimize associated physical and psychosocial discomfort, and to ensure consistent antineoplastic therapy. Notwithstanding the critical importance of treatment-related toxicities, dermatologic conditions may also precede, coincide, or follow the diagnosis of cancer. This review provides a basis for the understanding of dermatologic events in the oncology setting, in order to promote attentive care to cutaneous health in cancer patients and survivors.
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Current Frontline Treatment of Diffuse Large B-Cell LymphomaThis review article discusses which frontline treatment are best for diffuse large B-cell lymphoma.
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Nonionizing Electromagnetic Fields and Cancer: A ReviewThe paper by Salvatore et al discusses a very broad, complex subject, which, in some aspects, is quite controversial. The review touches on many different topics but not always in enough detail to provide clarity. Pertaining to the debated link between 50 to 60 Hz power line field exposure and cancer, the authors characterize their article as "... a review of the basic science that points to this possible association [with cancer]." However, the "basic science" that "points to" occupies much of their presentation, while some major types of evidence and reasoning that "points away" is not mentioned.
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Extended Surgery for Retroperitoneal Sarcoma: Too Much Surgery for Some and Not Enough for Others?Recently controversy has emerged regarding the extent of resection that constitutes optimal surgical management of retroperitoneal soft-tissue sarcoma.
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Pertuzumab: Increasing the OptionsAt this point, there is expectation that pertuzumab given in the neoadjuvant setting will improve long-term efficacy. We welcome the opportunity to include pertuzumab in the neoadjuvant regimen of patients with HER2-positive breast cancer.
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Conservative Management of Rectal Cancer With Local Excision and Adjuvant TherapyThe standard surgical treatment of distal, resectable, invasive rectal cancers is an abdominoperineal resection or a low anterior resection. Given the morbidity associated with these standard treatments and the frequent need
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Nonepithelial Malignancies of the BreastPrimary nonepithelial malignancies of the breast comprise an importantminority of breast neoplasms, including primary breast sarcomas,therapy-related breast sarcomas, the phyllodes tumors, and primarybreast lymphomas. With widespread mammographic detection ofbreast lesions, these tumors represent critical elements of the differentialdiagnosis of even benign-appearing lesions. Each has a distinctclinical profile, including presentation, available therapeutic options,and prognosis, further underscoring the importance of timely recognition.The increasing incidence of breast carcinomas and the subsequenttherapy thereof may be contributing to an increase in the numberof therapy-related breast tumors. This review discusses various featuresof these uncommon malignancies and their treatment, with thegoal of increasing understanding of their clinical behavior andmanagement.
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Bone Biology and the Role of the RANK Ligand PathwayBone renewal is essential for bone strength. During childhood and early adulthood, bone formation prevails over bone resorption, as bones increase in size and strength. Peak bone mass is achieved during the third decade in life, with a higher peak bone mass being protective against osteoporosis later in life.[1] Bone loss is most prominent in women at menopause due to the effects of a natural decline in estrogen levels. However, bone mass begins to decrease with age, and bone loss is most prominent in women at menopause due to the effects of a natural decline in estrogen levels.[2]
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Current Imaging Techniques for Head and Neck TumorsModern head and neck imaging has led to advances in both the diagnosis and treatment of head and neck cancers. Both computed tomography (CT) and magnetic resonance imaging (MRI) studies provide important information
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Innovation in the Management of Brain MetastasesTherapy of patients with brain metastases requires a combination of measures to achieve local control at the site of metastasis and to reduce the subsequent risk of recurrences elsewhere in the brain. In the current review, we discuss recent developments in the management of patients with brain metastases.
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Hepatocellular Carcinoma: Neoadjuvant Therapy ReconsideredHepatocellular carcinoma (HCC) is an aggressive tumor that often occurs in the setting of chronic liver disease and cirrhosis. The incidence of hepatocellular carcinoma is increasing in the United States and worldwide. Orthotopic liver transplantation (OLT) is a viable and potentially curative option for selected patients with HCC. Locoregional therapy has been used to control HCC before transplantation because of the limited number of donor organs, to prevent tumor progression, and to decrease the incidence of dropouts from the transplant waiting list. Traditionally, multiple investigational locoregional modalities such as tumor resection, radiofrequency ablation, transarterial chemoembolization, and systemic chemotherapy have been used as "bridging" therapies. While the investigation of novel neoadjuvant treatments is justified in an effort to prevent tumor progression, the absence of randomized controlled trials leaves uncertainty about the utility of these maneuvers in improving outcome. This review summarizes the current data on the different modalities used worldwide in the neoadjuvant treatment of hepatocellular carcinoma, the rationale for these approaches, efficacy, potential complications, and future prospects.
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Ongoing Trials May Pave Way To Bring Later-Line Therapies Upfront in Newly Diagnosed Multiple MyelomaRavi Vij, MD, MBA, suggested that 4-drug regimens may be a new standard for frontline therapy in newly diagnosed multiple myeloma, as oncologists await trial readouts from ongoing clinical trials.
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Gestational Trophoblastic TumorsGestational trophoblastic tumors (GTTs) encompass a spectrum of neoplastic disorders that arise from placental trophoblastic tissue after abnormal fertilization. GTTs are classified histologically into four distinct groups: hydatidiform mole (complete and partial), chorioadenoma destruens (invasive mole), choriocarcinoma, and placental site tumor [1,2].
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Cancer and Male Sexual DysfunctionMany men with cancer develop erectile dysfunction during treatment of their malignancy. Erectile dysfunction in these patients often has multiple causes, both physiologic and psychological. Various treatment options, including
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Molecular Pathogenesis of Cholangiocarcinoma: Implications for Disease Classification and TherapyKhaled W. Kabbara, MD, and colleagues, research treatment options for cholangiocarcinoma.
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p53 Tumor Suppressor Gene Therapy for CancerGene therapy has the potential to provide cancer treatments based on novel mechanisms of action with potentially low toxicities. This therapy may provide more effective control of locoregional recurrence in diseases like non–small-cell lung cancer (NSCLC) as well as systemic control of micrometastases. Despite current limitations, retroviral and adenoviral vectors can, in certain circumstances, provide an effective means of delivering therapeutic genes to tumor cells. Although multiple genes are involved in carcinogenesis, mutations of the p53 gene are the most frequent abnormality identified in human tumors. Preclinical studies both in vitro and in vivo have shown that restoring p53 function can induce apoptosis in cancer cells. High levels of p53 expression and DNA-damaging agents like cisplatin (Platinol) and ionizing radiation work synergistically to induce apoptosis in cancer cells. Phase I clinical trials now show that p53 gene replacement therapy using both retroviral and adenoviral vectors is feasible and safe. In addition, p53 gene replacement therapy induces tumor regression in patients with advanced NSCLC and in those with recurrent head and neck cancer. This article describes various gene therapy strategies under investigation, reviews preclinical data that provide a rationale for the gene replacement approach, and discusses the clinical trial data available to date. [ ONCOLOGY 13(Suppl 5):148-154, 1999]
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Deferasirox for the Treatment of Chronic Iron Overload in Transfusional HemosiderosisThis report describes the Food and Drug Administration's review of data and analyses leading to the approval of the oral iron chelator, deferasirox for the treatment of chronic iron overload due to transfusional hemosiderosis.
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A Brief Review of Antifungal Therapy for Deep Fungal InfectionWith the continuing increase in clinically important fungal disease, especially seen in the neutropenic patient, the need for new and improved systemic antifungal agents marches on. A pharmacy and therapeutics committee may select an antifungal agent based on these criteria: spectrum of action, pharmacokinetic profile, toxicity, potential for resistance, and cost. A number of agents are now available for treating deep fungal infections, including amphotericin B in conventional and liposomal formulations, and the triazoles itraconazole (Sporanox) and fluconazole (Diflucan). It is important to note that there is lack of agreement in practice over what constitutes ideal therapy. The lipid formulations of amphotericin B and the improved oral solution and new intravenous formulation of itraconazole are recent additions to therapeutic options that are already having a significant influence on drug selection and treatment practices. [ONCOLOGY 15(Suppl 9):21-25, 2001]
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Who Knows How to Treat Systemic Light Chain Amyloidosis?A rarely noted aspect of the era of novel agents and explosive new knowledge in the clonal plasma cell diseases is how short the half-life of relevant information has become, and how this churning has challenged clinical thinking.
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Role of Angiogenesis Inhibitors in Cancer TreatmentAngiogenesis is essential for the growth of both primary andmetastatic tumors. This process, more complex than was previously thought,
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Commentary(McDermott/Hudes)-Testicular Cancer: Maintaining the High Cure RateDr. Raghavan is to be commendedfor a concise andcomprehensive overview ofthe management of germ cell tumors.As he suggests, given the demographicsof this relatively uncommon diseaseand the high cure rate that canbe achieved with proper treatmentand follow-up, it behooves us to maintainthese excellent results, even whilestriving to reduce the toxicity of treatment.We will highlight a few additionalpoints to complement thissuperb review.
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Brain Metastases and the Need for a Multispecialist ApproachMetastatic lesions to the brain occur commonly in oncology patients and portend a very poor outcome, as they often occur in the setting of progressive systemic metastatic disease and can result in neurologic deterioration that may preclude therapy. Therapy of patients with brain metastases requires a combination of measures to achieve local control at the site of metastasis (eg, with surgical resection or radiosurgery) and to reduce the subsequent risk of recurrences elsewhere in the brain (eg, with whole-brain radiation). Successful therapy of extracranial systemic metastases is required for optimal outcomes. Clinical trials are currently underway to define the optimal role of whole-brain radiation and radiosurgery in different subsets of patients. Novel therapies to enhance radiation responsiveness are also under investigation. In the current review, we discuss recent developments in the management of patients with brain metastases.
