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https://www.readbyqxmd.com/read/29345149/medical-management-of-brain-metastases-and-leptomeningeal-disease-in-patients-with-breast-carcinoma
#1
Kelsey M Bowman, Priya Kumthekar
Breast cancer is the most common malignancy among women and accounts for the second highest number of cancer-related deaths. With patients surviving longer due to advances in systemic control, the incidence of CNS involvement is increasing; however, the management of CNS metastases has not undergone parallel advancements. The blood-brain barrier limits the efficacy of most systemic chemotherapies, and the utilization of surgery and radiation beyond first-line therapy is limited. We will explore the recent developments in the medical management of breast cancer brain metastasis...
January 18, 2018: Future Oncology
https://www.readbyqxmd.com/read/29340960/higher-levels-of-progranulin-in-cerebrospinal-fluid-of-patients-with-lymphoma-and-carcinoma-with-cns-metastasis
#2
Akio Kimura, Masao Takemura, Ginette Serrero, Nobuaki Yoshikura, Yuichi Hayashi, Kuniaki Saito, Takashi Inuzuka
Assessing central nervous system (CNS) involvement in patients with lymphoma or carcinoma is important in determining therapy and prognosis. Progranulin (PGRN) is a secreted glycosylated protein with roles in cancer growth and survival; it is highly expressed in aggressive cancer cell lines and specimens from many cancer types. We examined PRGN levels by Enzyme Immuno-Assay (EIA) in cerebrospinal fluid (CSF) samples from 230 patients, including 18 with lymphoma [12 with CNS metastasis (CNS+); 6 without CNS metastasis (CNS-)], 21 with carcinomas (10 CNS+; 11 CNS-), and 191 control patients with non-cancer neurological diseases, and compared PRGN levels among these disease groups...
January 16, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29327521/cerebrospinal-fluid-a-clinicopathologic-analysis
#3
Asha Shenoy, Heena Desai, Aparna Mandvekar
Context and Objective: This study aims to emphasize the importance of an appropriate CSF examination in patients of suspected CNS disease and the necessity of correlating it with the clinico-radiologic findings which will help in early diagnosis of CNS diseases and guide the further management of the disease. Design: In this 2 year study, 215 CSF samples from patients with clinically suspected diseases of the CNS were studied. The CSF samples were analyzed for gross examination, protein, sugar, adenosine deaminase (ADA) levels, microscopic examination and microbiologic examination...
December 2017: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/29325982/multiple-cerebral-infarct-with-cerebral-vasculitis-in-a-young-patient-with-ulcerative-colitis
#4
Maeng Real Park, Mun Ki Min, Ji Ho Ryu, Dae Sub Lee, Kang Ho Lee
Ulcerative colitis (UC) is a chronic and debilitating disorder, characterized by inflammation of the colonic mucosa. UC can be considered a systemic disorder but UC-related manifestations in the central nervous system (CNS) are quite rare. A 29-year-old man was admitted to the emergency department with repeated generalized tonic-clonic (GTC) type seizures. Based on brain CT, brain metastasis or hemorrhagic infarct was suspected. Diffusion-weighted image of brain MRI showed high signal in the left thalamus and heterogenous enhancement in the right parietal and left frontal lobes...
January 4, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29315431/receptor-conversion-in-distant-breast-cancer-metastases-a-systematic-review-and-meta-analysis
#5
Willemijne A M E Schrijver, Karijn P M Suijkerbuijk, Carla H van Gils, Elsken van der Wall, Cathy B Moelans, Paul J van Diest
Background: In metastatic breast cancer, hormone and/or human epidermal growth factor receptor 2 (HER2)-targeted therapy decision-making is still largely based on tissue characteristics of the primary tumor. However, a change of estrogen receptor alpha (ERα), progesterone receptor (PR), and HER2 status in distant metastases has frequently been reported. The actual incidence of this phenomenon has been debated. Methods: We performed a meta-analysis including 39 studies assessing receptor conversion from primary breast tumors to paired distant breast cancer metastases...
January 5, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/29304362/leptomeningeal-metastases-in-non-small-cell-lung-cancer
#6
REVIEW
Haiying Cheng, Roman Perez-Soler
Leptomeningeal metastasis is a complication of advanced non-small-cell lung cancer (NSCLC). Diagnosis and monitoring of leptomeningeal metastasis are challenging, and are based on neurological, radiographic, and cerebrospinal fluid findings. Substantial progress has been made in several key aspects of management of leptomeningeal metastasis, including improved characterisation of the genetic profiles, generation of clinically relevant animal models, advances in cerebrospinal fluid liquid biopsy with improved cytology and genotyping analysis, and the development of therapeutic agents with greater CNS penetration...
January 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29278675/the-biology-and-therapeutic-management-of-melanoma-brain-metastases
#7
REVIEW
Daniel Abate-Daga, Maria C Ramello, Inna Smalley, Peter A Forsyth, Keiran S M Smalley
The recent years have seen significant progress in the development of systemic therapies to treat patients with advanced melanoma. Use of these new treatment modalities, which include immune checkpoint inhibitors and small molecule BRAF inhibitors, lead to increased overall survival and better outcomes. Although revolutionary, these therapies are often less effective against melanoma brain metastases, and frequently the CNS is the major site of treatment failure. The development of brain metastases remains a serious complication of advanced melanoma that is associated with significant morbidity and mortality...
December 23, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/29275848/mir-23b-suppresses-leukocyte-migration-and-pathogenesis-of-experimental-autoimmune-encephalomyelitis-by-targeting-ccl7
#8
Yuan Zhang, Juan-Juan Han, Xiao-Yan Liang, Li Zhao, Fei Zhang, Javad Rasouli, Zhe-Zhi Wang, Guang-Xian Zhang, Xing Li
MicroRNAs (miRNAs) are small, non-coding RNAs involved in immune response regulation. Specific miRNAs have been linked to the development of various autoimmune diseases; however, their contribution to the modulation of CNS-directed cellular infiltration remains unclear. In this study, we found that miR-23b, in addition to its reported functions in the suppression of IL-17-associated autoimmune inflammation, halted the progression of experimental autoimmune encephalomyelitis (EAE), an animal model of multiple sclerosis (MS), by directly inhibiting the migration of pathogenic leukocytes to the CNS...
November 26, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
https://www.readbyqxmd.com/read/29204523/fractionated-stereotactic-radiation-therapy-for-intact-brain-metastases
#9
Samuel R Marcrom, Andrew M McDonald, Jonathan W Thompson, Richard A Popple, Kristen O Riley, James M Markert, Christopher D Willey, Markus Bredel, John B Fiveash
Purpose: Limited data exist on fractionated stereotactic radiation therapy (FSRT) for brain metastases. We sought to evaluate the safety and efficacy of FSRT and further define its role in brain metastasis management. Methods and materials: A total of 72 patients were treated with linear accelerator-based FSRT to 182 previously untreated, intact brain metastases. Targets received 25 or 30 Gy in 5 fractions. All targets within the same course received the same prescription regardless of size...
October 2017: Advances in Radiation Oncology
https://www.readbyqxmd.com/read/29201484/intracranial-myeloid-sarcoma-metastasis-mimicking-acute-subdural-hematoma
#10
Amandip S Gill, Rabina Gill, Paul Kaloostian, Dina Elias, John S Roufail, Aurora S Cruz, Panayiotis E Pelargos, Frank P K Hsu, Ronald C Kim, Robert E Ayer, Samer Ghostine
Myeloid sarcoma, a rare consequence of myeloproliferative disorders, is rarely seen in the central nervous system, most commonly in the pediatric population. Although there are a handful of case reports detailing initial presentation of CNS myeloid sarcoma in the adult population, we have been unable to find any reports of CNS myeloid sarcoma presenting as a large mass lesion in a herniating patient. Here, we present the case of a patient transferred to our facility for a very large subdural hematoma. Based on imaging characteristics, it was felt to be a spontaneous hematoma secondary to coagulopathy...
2017: Case Reports in Surgery
https://www.readbyqxmd.com/read/29200873/clinical-application-of-carbon-nanoparticles-in-curative-resection-for-colorectal-carcinoma
#11
Li-Yu Wang, Jia-Huan Li, Xing Zhou, Qi-Chang Zheng, Xiang Cheng
Purpose: To explore the potential of carbon nanoparticles (CNs) for the intraoperative detection of positive and negative lymph nodes in the treatment of colorectal cancer. Patients and methods: The clinical data of 470 patients undergoing surgical procedures for colorectal cancer from June 2010 to February 2013 were analyzed retrospectively. The patients were divided into the CN group (183 males and 161 females; mean age, 58.6±12.4 years), who were given a CN suspension, and the control group (78 males and 48 females; mean age, 59...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29200158/cardiac-toxicity-after-craniospinal-irradiation-a-late-effect-that-may-be-eliminated-with-proton-therapy
#12
Gabrielle D Welch, Kimberly Y Lin, Michael J Fisher, Christine E Hill-Kayser
BACKGROUND: Craniospinal irradiation (CSI) is commonly required for pediatric patients with central nervous system malignancies. Traditionally, CSI is given using x-rays to deliver radiation to the brain and spine, exposing normal anterior structures, including heart, to unnecessary radiation. OBSERVATIONS: We present a patient treated with x-ray CSI for medulloblastoma with spinal metastasis (3600 cGy CSI with focal boost to 5000 cGy), who subsequently developed significant cardiac toxicity, likely related to radiation exposure...
December 1, 2017: Journal of Pediatric Hematology/oncology
https://www.readbyqxmd.com/read/29197363/metastatic-retinoblastoma-of-the-parotid-and-submandibular-glands-a-rare-case-report
#13
Ping Wang, Yang-Jun Li, Shao-Bo Zhang, Qi-Lin Cheng, Qiong Zhang, Li-Sha He
BACKGROUND: Retinoblastoma is the most common intraocular malignancy occurring in children. It can metastasize to the regional lymph nodes, central nervous system and distant organs usually the bones and bone marrow and very rarely to the soft tissue. Here, we report a case of unilateral retinoblastoma in a 4-year-old girl accompanied by a large metastasis of the parotid and submandibular glands that developed about 6 months previously and gradually increased in size 5 months after enucleation of the left eye...
December 2, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/29184763/usefulness-of-enhancement-perfusion-mismatch-in-differentiation-of-cns-lymphomas-from-other-enhancing-malignant-tumors-of-the-brain
#14
Pradeep Goyal, Yogesh Kumar, Nishant Gupta, Ajay Malhotra, Saurabh Gupta, Sonali Gupta, Manisha Mangla, Rajiv Mangla
Background: Surgical planning and treatment options for primary or secondary central nervous system lymphomas (PCNSL or SCNSL) are different from other enhancing malignant lesions such as glioblastoma multiforme (GBM), anaplastic gliomas and metastases; so, it is critical to distinguish them preoperatively. We hypothesized that enhancement-perfusion (E-P) mismatch on dynamic susceptibility weighted magnetic resonance (DSC-MR) perfusion imaging which corresponds to low mean relative cerebral blood volume (mean rCBV) in an enhancing portion of the tumor should allow differentiation of CNS lymphomas from other enhancing malignant lesions...
October 2017: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/29179523/management-of-intracranial-melanomas-in-the-era-of-precision-medicine
#15
REVIEW
Grace J Young, Wenya Linda Bi, Winona W Wu, Tanner M Johanns, Gavin P Dunn, Ian F Dunn
Melanoma is the most lethal of skin cancers, in part because of its proclivity for rapid and distant metastasis. It is also potentially the most neurotropic cancer in terms of probability of CNS metastasis from the primary lesion. Despite surgical resection and radiotherapy, prognosis remains guarded for patients with brain metastases. Over the past five years, a new domain of personalized therapy has emerged for advanced melanoma patients with the introduction of BRAF and other MAP kinase pathway inhibitors, immunotherapy, and combinatory therapeutic strategies...
October 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/29177676/extracranial-extra-cns-spread-of-embryonal-tumor-with-multilayered-rosettes-etmr-case-series-and-systematic-review
#16
Ashish H Shah, Ziad Khatib, Toba Niazi
BACKGROUND: Embryonal tumors with multilayered rosettes (ETMR) is a rare variant of embryonal tumor of infancy with nearly 200 cases reported in the literature. Leptomeningeal spread of this tumor is well known; however, extracranial metastasis has been sparsely reported in the literature. METHODS: Our study was divided into two sections: (1) We conducted a retrospective review of our patient series of ETMR and screened for patients with evidence of ETMR over the last 10 years 2007-2017 at a single tertiary referral pediatric hospital, and (2) we conducted a systematic review according to PRISMA guidelines of all reported cases of ETMR to determine the incidence of extracranial metastasis and treatment paradigms...
November 25, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/29175386/impact-of-clinicopathologic-features-on-the-efficacy-of-pd-1-pd-l1-inhibitors-in-patients-with-previously-treated-non-small-cell-lung-cancer
#17
Tao Jiang, Hongcheng Liu, Meng Qiao, Xuefei Li, Chao Zhao, Chunxia Su, Shengxiang Ren, Caicun Zhou
BACKGROUND: The current study aimed to comprehensively investigate the impact of various clinicopathologic features on the efficacy of programmed cell death-1 (PD-1) and ligand (PD-L1) inhibitors in patients with previously treated non-small-cell lung cancer (NSCLC). PATIENTS AND METHODS: Randomized controlled trials that compared PD-1/PD-L1-inhibitor monotherapy with chemotherapy or placebo in patients with previously treated NSCLC were included. RESULTS: Five trials were included (n = 3025)...
November 9, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/29145972/cancer-immunotherapy-getting-brainy-visualizing-the-distinctive-cns-metastatic-niche-to-illuminate-therapeutic-resistance
#18
Mark Owyong, Niloufar Hosseini-Nassab, Gizem Efe, Alexander Honkala, Renske J E van den Bijgaart, Vicki Plaks, Bryan Ronain Smith
The advent of cancer immunotherapy (CIT) and its success in treating primary and metastatic cancer may offer substantially improved outcomes for patients. Despite recent advancements, many malignancies remain resistant to CIT, among which are brain metastases, a particularly virulent disease with no apparent cure. The immunologically unique niche of the brain has prompted compelling new questions in immuno-oncology such as the effects of tissue-specific differences in immune response, heterogeneity between primary tumors and distant metastases, and the role of spatiotemporal dynamics in shaping an effective anti-tumor immune response...
November 2017: Drug Resistance Updates: Reviews and Commentaries in Antimicrobial and Anticancer Chemotherapy
https://www.readbyqxmd.com/read/29137288/elevated-timp-1-expression-is-associated-with-a-prometastatic-phenotype-disease-relapse-and-poor-survival-in-neuroblastoma
#19
Pritha Paul, Eric J Rellinger, Jingbo Qiao, Sora Lee, Natasha Volny, Chandrasekhar Padmanabhan, Carmelle V Romain, Bret Mobley, Hernan Correa, Dai H Chung
Approximately two-thirds of patients with neuroblastoma are found to have metastatic disease at time of diagnosis with frequent skeletal, lymph node, central nervous system, and liver involvement. Using a serial in vivo splenic injection model, we have isolated an aggressive subclone (BE(2)-C/LM2) from MYCN-amplified neuroblastomas that demonstrate an enhanced propensity to develop metastatic liver lesions. BE(2)-C/LM2 subclone cells demonstrate increased adherent, soft agar colony and tumorsphere growth in vitro...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29135607/targeting-the-perivascular-niche-in-brain-tumors
#20
Giorgio Seano
PURPOSE OF REVIEW: Brain tumors are composed of primary tumors of the central nervous system, such us glioblastoma (GBM), and secondary metastatic tumors, such as melanoma, non-Hodgkin lymphoma as well as lung and breast cancers. Brain tumors are highly deadly, and unfortunately not many improvements have been achieved to improve the survival of patients with brain tumors. Chemoradiation resistance is one of the most clinically relevant challenges faced in patients with brain tumors. The perivascular niche is one of the most relevant microenvironment hubs in brain tumors...
November 14, 2017: Current Opinion in Oncology
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