Abstract：
:We present a computer aided diagnostic workflow focusing on two diagnostic branch points in neuropathology (intraoperative consultation and p53 status in tumor biopsy specimens) by means of texture analysis via discrete wavelet frames decomposition. For intraoperative consultation, our methodology is capable of classifying glioblastoma versus metastatic cancer by extracting textural features from the non-nuclei region of cytologic preparations based on the imaging characteristics of glial processes, which appear as anisotropic thin linear structures. For metastasis, these are homogeneous in appearance, thus suitable and extractable texture features distinguish the two tissue types. Experiments on 53 images (29 glioblastomas and 24 metastases) resulted in average accuracy as high as 89.7 % for glioblastoma, 87.5 % for metastasis and 88.7 % overall. For p53 interpretation, we detect and classify p53 status by classifying staining intensity into strong, moderate, weak and negative sub-classes. We achieved this by developing a novel adaptive thresholding for detection, a two-step rule based on weighted color and intensity for the classification of positively and negatively stained nuclei, followed by texture classification to classify the positively stained nuclei into the strong, moderate and weak intensity sub-classes. Our detection method is able to correctly locate and distinguish the four types of cells, at 85 % average precision and 88 % average sensitivity rate. These classification methods on the other hand recorded 81 % accuracy in classifying the positive and negative cells, and 60 % accuracy in further classifying the positive cells into the three intensity groups, which is comparable with neuropathologists' markings.
journal_name
J Neurooncoljournal_title
Journal of neuro-oncologyauthors
Fauzi MFA,Gokozan HN,Elder B,Puduvalli VK,Pierson CR,Otero JJ,Gurcan MNdoi
10.1007/s11060-015-1872-4subject
Has Abstractpub_date
2015-09-01 00:00:00pages
393-402issue
3eissn
0167-594Xissn
1573-7373journal_volume
124pub_type
杂志文章abstract：:Gender-specific incidence patterns and the presence of hormonal receptors on tumor cells suggest that sex hormones may play a role in the onset of primary brain tumors. However, epidemiological studies on the relation of hormonal risk factors to the risk of brain tumors have been inconsistent. We examined the role of ...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-014-1427-0
更新日期：2014-06-01 00:00:00
abstract：:Differentiating oligodendroglioma from extraventricular neurocytoma by conventional light microscopy alone can present a diagnostic challenge. We report pathologic findings of an unusual spinal cord tumor from a 33-year-old male patient which showed hybrid features of oligodendroglioma and extraventricular neurocytoma...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-006-9268-0
更新日期：2007-04-01 00:00:00
abstract：:Comparison between myelography (MY) and magnetic resonance imaging (MRI) was carried out in 36 patients with clinical suspicion of spinal cord or root compression due to metastatic disease in the spinal canal. In 3 patients metastatic lesions were visualized on MY but not on MRI, while there were no cases with a negat...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/BF00172475
更新日期：1992-07-01 00:00:00
abstract：:Injection of dendritic cells (DC) pulsed with tumor antigens is a novel treatment strategy against malignancies, and aims to elicit anti-tumoral cell-mediated immune responses. We studied the in vitro proliferative responses and cytokine production in T cell cultures after 2 stimulations with autologous DC loaded with...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-007-9362-y
更新日期：2007-09-01 00:00:00
abstract：:Resveratrol (Res) has been reported to inhibit tumor initiation, promotion, and progression in a variety of cell culture systems depending on the specific cell type and cellular environment. In the present study, we determined the effect of Res on the cell growth and apoptosis of rat glioma C6 cell line as well as mou...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-006-9226-x
更新日期：2007-02-01 00:00:00
abstract：:A pilot study was performed combining cis-diamminedichloroplatinum (CDDP) and radiation therapy to treat patients with high-grade astrocytomas. CDDP at a dose of 40 mg/m2/week intravenously was given during the course of cranial irradiation. Following irradiation, CDDP was given every three weeks on a schedule of 35-4...
journal_title：Journal of neuro-oncology
pub_type： 临床试验,杂志文章
doi：10.1007/BF00182955
更新日期：1983-01-01 00:00:00
abstract：:A phase II trial of Homoharringtonine (HHT) was performed in 15 patients with recurrent or progressive malignant glioma. The drug was administered at a initial dose of 4 mg/m2/day by continuous 5 day intravenous infusion (3 mg/m2/day x 5 days for heavily pretreated patients). Courses were repeated every 3-4 weeks upon...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/BF02427837
更新日期：1990-10-01 00:00:00
abstract：:Gemistocytic astrocytoma still continues to be enigmatic; both in terms of definition and prognostic implications. The major issue of contention has been the clinical relevance of this pathological entity. The currently accepted definition of gemistocytic astrocytoma requires 20% or more gemistocytes, and considers th...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章,评审
doi：10.1007/s11060-005-4897-2
更新日期：2006-01-01 00:00:00
abstract：PURPOSE:Radiation-induced optic nerve damage was reduced by ramipril, a prodrug angiotensin-converting enzyme inhibitor (ACEI). This study was to determine the optimum dose and administration time of ramipril for mitigating radiation-induced optic neuropathy. MATERIALS AND METHOD:Adult Fischer 344 male rats were treat...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-006-9256-4
更新日期：2007-04-01 00:00:00
abstract：:Neural cell adhesion molecule (NCAM) is down-regulated during periods of embryological cell migration and may be important in local tumor migration or metastases. Conflicting information exists in the literature about NCAM expression in human glial tumors and little is known about its expression in human brain metasta...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1023/a:1006162211296
更新日期：1999-01-01 00:00:00
abstract：:Measurement of oxygen pressure (pO2) in tumor tissue is important, because pO2 is a major factor for radiosensitivity in malignant glioma treatment. We attempted to elucidate the changes in pO2 level in glioblastoma tissue of patients under various conditions. Eighteen patients with newly diagnosed glioblastoma were r...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1023/a:1015832726054
更新日期：2002-05-01 00:00:00
abstract：INTRODUCTION:Carmustine (BCNU)-impregnated biodegradable polymer wafers have been shown to prolong survival in patients with recurrent malignant glioma. Interferon alfa-2b (IFNalpha(2b)) has demonstrated antitumor activity against a number of cancers, but its use in glioma has been limited. The use of these agents in c...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-008-9660-z
更新日期：2008-12-01 00:00:00
abstract：:Type 2 diabetes mellitus (DM) and obesity are known risk factors for poor outcomes in patients with systemic malignancies but are not well-studied in the brain tumor population. In this study we asked if type 2 DM and elevated body mass index (BMI) are independent risk factors for poor prognosis in patients with high-...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-011-0676-4
更新日期：2012-01-01 00:00:00
abstract：:Retaspimycin hydrochloride (IPI-504), an Hsp90 (heat shock protein 90) inhibitor, has shown activity in multiple preclinical cancer models, such as lung, breast and ovarian cancers. However, its biological effects in gliomas and normal brain derived cellular populations remain unknown. In this study, we profiled the e...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-014-1579-y
更新日期：2014-12-01 00:00:00
abstract：:High-dose (1-3.5 g/m2) methotrexate (MTX) followed by whole-brain radiation therapy (WBRT) has consistently improved length of survival in primary central nervous system lymphoma (PCNSL), but the prognosis remains dismal. To optimize and enhance the dose intensity of MTX, we applied MTX at 8 g/m2 to 20 patients with P...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1023/a:1023760824739
更新日期：2003-05-01 00:00:00
abstract：:The aim of the present study is to evaluate the impact of extent of resection at initial and repeat craniotomy on overall survival of patients with recurrent glioblastoma. The authors retrospectively reviewed the records of all adults patients who underwent repeat resection of recurrent glioblastoma following radiatio...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-016-2330-7
更新日期：2017-02-01 00:00:00
abstract：:Computational modeling shows that intra-arterial delivery is most efficient when the delivered drugs rapidly and avidly bind to the target site. The cell-penetrating peptide trans-activator of transcription (TAT) is a candidate carrier molecule that could mediate such specificity for brain tumor chemotherapeutics. To ...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-017-2615-5
更新日期：2017-12-01 00:00:00
abstract：INTRODUCTION:Intramedullary spinal cord metastases (ISCMs) are rare lesions affecting the spinal cord in patients with disseminated malignancy. Today, due to increased survival, these lesions are more frequently diagnosed. Literature on survival and neurologic outcomes is sparse. Herein, we describe a single institutio...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-019-03105-2
更新日期：2019-04-01 00:00:00
abstract：INTRODUCTION:Erlotinib and Gefitinib (EGFRi) are small molecules specifically inhibiting epidermal growth factor receptor (EGFR). We present here data of an exploratory study evaluating EGFRi monotherapy in patients with recurrent or progressive malignant glioma. PATIENTS:21 patients with recurrent or progressive mali...
journal_title：Journal of neuro-oncology
pub_type： 临床试验,杂志文章
doi：10.1007/s11060-008-9608-3
更新日期：2008-09-01 00:00:00
abstract：BACKGROUND:Recent studies suggest a relatively high prevalence of autoimmune disorders (AD) among primary CNS lymphoma (PCNSL) patients, however, the literature is limited to case reports. To gain a better understanding of AD-PCNSL we reviewed and analyzed all cases described in the literature. METHODS:We searched the...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-020-03583-9
更新日期：2020-08-01 00:00:00
abstract：:Temozolomide (TMZ) alone has been proposed as a promising alternative to radiotherapy (RT) in elderly glioblastoma (GBM) patients. We report a meta-analysis to systematically evaluate TMZ monotherapy in older GBM patients. A systematic literature search was performed using PubMed, EMBASE and the Cochrane database. Stu...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章,meta分析
doi：10.1007/s11060-013-1294-0
更新日期：2014-01-01 00:00:00
abstract：:Chromatin modification through histone deacetylase inhibition has shown evidence of activity against malignancies. The mechanism of action of such agents are pleiotropic and potentially tumor specific. In this study, we studied the mechanisms of vorinostat-induced cellular effects in gliomas. The effects of vorinostat...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-011-0604-7
更新日期：2011-11-01 00:00:00
abstract：:Glioblastoma stands out as the most frequent central nervous system neoplasia, presenting a poor prognosis. The aim of this study was to verify the frequency and clinical significance of the aneuploidy of chromosomes 7 and 10, EGFR amplification, PTEN and TP53 deletions and 1p/19q deficiency in adult patients diagnose...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-017-2606-6
更新日期：2017-12-01 00:00:00
abstract：:Ependymoma is the third most common brain tumor in children, but there is a paucity of large studies with more than 10 years of follow-up examining the long-term survival and recurrence patterns of this disease. We conducted a retrospective chart review of 103 pediatric patients with WHO Grades II/III intracranial epe...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章,多中心研究
doi：10.1007/s11060-017-2568-8
更新日期：2017-10-01 00:00:00
abstract：:Extensive surgical resection of centrally localized, newly diagnosed glioblastoma can lead to opening ventricles and therefore carries a potential risk of spreading tumor cells into the cebrospinal fluid. However, whether ventricle opening consequently implies a greater frequency of distant tumor recurrence after radi...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-016-2068-2
更新日期：2016-05-01 00:00:00
abstract：OBJECTIVE:Radiation necrosis is a well-known complication of radiotherapy for malignant brain tumors. Although surgery was once considered the mainstay of treatment, no recent reports have evaluated the use of intraoperative magnetic resonance imaging (IOMRI) and frameless stereotaxis during surgical resection of radia...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1023/b:neon.0000024744.16031.e9
更新日期：2004-05-01 00:00:00
abstract：:Children with high-grade glioma (HGG) have a poor prognosis compared to those with low-grade glioma (LGG). Adjuvant chemotherapy may be beneficial, but its optimal use remains undetermined. Histology and extent of resection are important prognostic factors. We tested the hypothesis that patients with midline HGG treat...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章,随机对照试验
doi：10.1007/s11060-014-1669-x
更新日期：2015-02-01 00:00:00
abstract：:Glioblastoma is the most common and most aggressive primary brain tumor. Despite maximum treatment, patients only have a median survival time of 15 months, because of the tumor's resistance to current therapeutic approaches. Thus far, methylation of the O (6)-methylguanine-DNA methyltransferase (MGMT) promoter has bee...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章,评审
doi：10.1007/s11060-011-0793-0
更新日期：2012-05-01 00:00:00
abstract：:Optimal treatment of anaplastic oligodendroglial tumors (AOT) in elderly patients is debatable. We report a retrospective study of 44 consecutive patients aged 70 years or older [median age: 74 years; median Karnofsky performance status (KPS): 70] treated with up-front chemotherapy using temozolomide (TMZ) at conventi...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-010-0264-z
更新日期：2011-02-01 00:00:00
abstract：UNLABELLED:The pupose of this study is to assess the long-term outcome and toxicity of fractionated stereotactic radiation therapy (FSRT) and stereotactic radiosurgery (SRS) for 100 vestibular schwannomas treated at a single institution. From 1993 to 2007, 104 patients underwent were treated with radiation therapy for ...
journal_title：Journal of neuro-oncology
pub_type： 杂志文章
doi：10.1007/s11060-013-1282-4
更新日期：2014-01-01 00:00:00
