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TIM-3 Expression on Dendritic Cells in Colorectal Cancer 大肠癌树突状细胞上的 TIM-3 表达
Cancers Pub Date : 2024-05-15 DOI: 10.3390/cancers16101888
Mei Sakuma, Masanori Katagata, H. Okayama, S. Nakajima, Katsuharu Saito, Takahiro Sato, Satoshi Fukai, Hideaki Tsumuraya, H. Onozawa, W. Sakamoto, Motonobu Saito, Z. Saze, T. Momma, Kosaku Mimura, Koji Kono
{"title":"TIM-3 Expression on Dendritic Cells in Colorectal Cancer","authors":"Mei Sakuma, Masanori Katagata, H. Okayama, S. Nakajima, Katsuharu Saito, Takahiro Sato, Satoshi Fukai, Hideaki Tsumuraya, H. Onozawa, W. Sakamoto, Motonobu Saito, Z. Saze, T. Momma, Kosaku Mimura, Koji Kono","doi":"10.3390/cancers16101888","DOIUrl":"https://doi.org/10.3390/cancers16101888","url":null,"abstract":"TIM-3 was originally identified as a negative regulator of helper T cells and is expressed on dendritic cells (DCs). Since the inhibition of TIM-3 on DCs has been suggested to enhance T cell-mediated anti-tumor immunity, we examined its expression on DCs within the tumor microenvironment (TME) in colorectal cancer (CRC) using transcriptomic data from a public database (n = 592) and immunohistochemical evaluations from our cohorts of CRC (n = 115). The expression of TIM-3 on DCs in vitro was examined by flow cytometry, while the expression of its related molecules, cGAS and STING, on immature and mature DCs was assessed by Western blotting. The expression of HAVCR2 (TIM-3) was strongly associated with the infiltration of DCs within the TME of CRC. Immunohistochemical staining of clinical tissue samples revealed that tumor-infiltrating DCs expressed TIM-3; however, their number at the tumor-invasive front significantly decreased with stage progression. TIM-3 expression was higher on immature DCs than on mature DCs from several different donors (n = 6). Western blot analyses showed that the expression of STING was higher on mature DCs than on immature DCs, which was opposite to that of TIM-3. We demonstrated that TIM-3 was highly expressed on tumor-infiltrating DCs of CRC and that its expression was higher on immature DCs than on mature DCs.","PeriodicalId":504676,"journal":{"name":"Cancers","volume":"50 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140973774","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Integrating Imaging and Circulating Tumor DNA Features for Predicting Patient Outcomes 综合成像和循环肿瘤 DNA 特征预测患者预后
Cancers Pub Date : 2024-05-15 DOI: 10.3390/cancers16101879
Mark Jesus M. Magbanua, Wen Li, Laura J. van ’t Veer
{"title":"Integrating Imaging and Circulating Tumor DNA Features for Predicting Patient Outcomes","authors":"Mark Jesus M. Magbanua, Wen Li, Laura J. van ’t Veer","doi":"10.3390/cancers16101879","DOIUrl":"https://doi.org/10.3390/cancers16101879","url":null,"abstract":"Biomarkers for evaluating tumor response to therapy and estimating the risk of disease relapse represent tremendous areas of clinical need. To evaluate treatment efficacy, tumor response is routinely assessed using different imaging modalities like positron emission tomography/computed tomography or magnetic resonance imaging. More recently, the development of circulating tumor DNA detection assays has provided a minimally invasive approach to evaluate tumor response and prognosis through a blood test (liquid biopsy). Integrating imaging- and circulating tumor DNA-based biomarkers may lead to improvements in the prediction of patient outcomes. For this mini-review, we searched the scientific literature to find original articles that combined quantitative imaging and circulating tumor DNA biomarkers to build prediction models. Seven studies reported building prognostic models to predict distant recurrence-free, progression-free, or overall survival. Three discussed building models to predict treatment response using tumor volume, pathologic complete response, or objective response as endpoints. The limited number of articles and the modest cohort sizes reported in these studies attest to the infancy of this field of study. Nonetheless, these studies demonstrate the feasibility of developing multivariable response-predictive and prognostic models using regression and machine learning approaches. Larger studies are warranted to facilitate the building of highly accurate response-predictive and prognostic models that are generalizable to other datasets and clinical settings.","PeriodicalId":504676,"journal":{"name":"Cancers","volume":"124 14","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140977746","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Identifying Key Regulatory Genes in Drug Resistance Acquisition: Modeling Pseudotime Trajectories of Breast Cancer Single-Cell Transcriptome 识别耐药性获得过程中的关键调控基因:乳腺癌单细胞转录组伪时间轨迹建模
Cancers Pub Date : 2024-05-15 DOI: 10.3390/cancers16101884
Keita Iida, Mariko Okada
{"title":"Identifying Key Regulatory Genes in Drug Resistance Acquisition: Modeling Pseudotime Trajectories of Breast Cancer Single-Cell Transcriptome","authors":"Keita Iida, Mariko Okada","doi":"10.3390/cancers16101884","DOIUrl":"https://doi.org/10.3390/cancers16101884","url":null,"abstract":"Single-cell RNA-sequencing (scRNA-seq) technology has provided significant insights into cancer drug resistance at the single-cell level. However, understanding dynamic cell transitions at the molecular systems level remains limited, requiring a systems biology approach. We present an approach that combines mathematical modeling with a pseudotime analysis using time-series scRNA-seq data obtained from the breast cancer cell line MCF-7 treated with tamoxifen. Our single-cell analysis identified five distinct subpopulations, including tamoxifen-sensitive and -resistant groups. Using a single-gene mathematical model, we discovered approximately 560–680 genes out of 6000 exhibiting multistable expression states in each subpopulation, including key estrogen-receptor-positive breast cancer cell survival genes, such as RPS6KB1. A bifurcation analysis elucidated their regulatory mechanisms, and we mapped these genes into a molecular network associated with cell survival and metastasis-related pathways. Our modeling approach comprehensively identifies key regulatory genes for drug resistance acquisition, enhancing our understanding of potential drug targets in breast cancer.","PeriodicalId":504676,"journal":{"name":"Cancers","volume":"59 13","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140975310","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Health-Related Quality of Life and Return to Work after Surgery for Spinal Schwannoma: A Population-Based Cohort Study 脊髓许旺瘤手术后与健康相关的生活质量和重返工作岗位:一项基于人群的队列研究
Cancers Pub Date : 2024-05-15 DOI: 10.3390/cancers16101882
Aman Singh, Ann-Christin von Vogelsang, V. G. El-Hajj, Ali Buwaider, Alexander Fletcher-Sandersjöö, Jenny Pettersson-Segerlind, E. Edström, Adrian Elmi-Terander
{"title":"Health-Related Quality of Life and Return to Work after Surgery for Spinal Schwannoma: A Population-Based Cohort Study","authors":"Aman Singh, Ann-Christin von Vogelsang, V. G. El-Hajj, Ali Buwaider, Alexander Fletcher-Sandersjöö, Jenny Pettersson-Segerlind, E. Edström, Adrian Elmi-Terander","doi":"10.3390/cancers16101882","DOIUrl":"https://doi.org/10.3390/cancers16101882","url":null,"abstract":"Spinal schwannomas are the second most common primary intradural spinal tumor. This study aimed to assess health-related quality of life (HRQoL) and the frequency of return to work after the surgical treatment of spinal schwannomas. HRQoL was compared to a sample of the general population. Patients operated for spinal schwannomas between 2006 and 2020 were identified in a previous study and those alive at follow-up (171 of 180) were asked to participate. Ninety-four (56%) responded and were included in this study. Data were compared to the Stockholm Public Health Survey 2006, a cross-sectional survey of a representative sample of the general population. An analysis for any potential non-response bias was performed and showed no significant differences between the groups. HRQoL was equal between the spinal schwannoma sample and the general population sample in all but one dimension; men in the spinal schwannoma sample reported more moderate problems in the usual activities dimension than men in the general population (p = 0.020). In the schwannoma sample, there were no significant differences between men and women in either of the dimensions EQ-5Dindex or EQVAS. Before surgery, a total of 71 (76%) were working full-time and after surgery almost all (94%) returned to work, most of them within 3 months of surgery. Eighty-nine (95%) of the patients responded that they would accept the surgery for their spinal schwannoma if asked again today. To conclude, surgical treatment of spinal schwannomas is associated with good HRQoL and with a high frequency of return to work.","PeriodicalId":504676,"journal":{"name":"Cancers","volume":"59 23","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140972205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Value of PET/CT in Particle Therapy Planning of Various Tumors with SSTR2 Receptor Expression: Comparative Interobserver Study PET/CT 在对 SSTR2 受体表达的各种肿瘤进行粒子治疗规划中的价值:观察者间比较研究
Cancers Pub Date : 2024-05-15 DOI: 10.3390/cancers16101877
C. Lütgendorf-Caucig, Patricia Wieland, Eugen Hug, Birgit Flechl, S. Tubin, R. Galalae, Petra Georg, P. Fossati, M. Mumot, S. Harrabi, Irina Pradler, M. Pelak
{"title":"The Value of PET/CT in Particle Therapy Planning of Various Tumors with SSTR2 Receptor Expression: Comparative Interobserver Study","authors":"C. Lütgendorf-Caucig, Patricia Wieland, Eugen Hug, Birgit Flechl, S. Tubin, R. Galalae, Petra Georg, P. Fossati, M. Mumot, S. Harrabi, Irina Pradler, M. Pelak","doi":"10.3390/cancers16101877","DOIUrl":"https://doi.org/10.3390/cancers16101877","url":null,"abstract":"The overexpression of somatostatin receptor type 2 (SSTR2) is a property of various tumor types. Hybrid imaging utilizing [68Ga]1,4,7,10-tetraazacyclododecane-1,4,7,10-tetra-acetic acid (DOTA) may improve the differentiation between tumor and healthy tissue. We conducted an experimental study on 47 anonymized patient cases including 30 meningiomas, 12 PitNET and 5 SBPGL. Four independent observers were instructed to contour the macroscopic tumor volume on planning MRI and then reassess their volumes with the additional information from DOTA-PET/CT. The conformity between observers and reference volumes was assessed. In total, 46 cases (97.9%) were DOTA-avid and included in the final analysis. In eight cases, PET/CT additional tumor volume was identified that was not detected by MRI; these PET/CT findings were potentially critical for the treatment plan in four cases. For meningiomas, the interobserver and observer to reference volume conformity indices were higher with PET/CT. For PitNET, the volumes had higher conformity between observers with MRI. With regard to SBGDL, no significant trend towards conformity with the addition of PET/CT information was observed. DOTA PET/CT supports accurate tumor recognition in meningioma and PitNET and is recommended in SSTR2-expressing tumors planned for treatment with highly conformal radiation.","PeriodicalId":504676,"journal":{"name":"Cancers","volume":"57 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140974512","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Gold Standard-Derived Modular Barcoding Approach to Cancer Transcriptomics 癌症转录组学的黄金标准模块化条形码方法
Cancers Pub Date : 2024-05-15 DOI: 10.3390/cancers16101886
Yan Zhu, M. Koleilat, J. Roszik, Man Kam Kwong, Zhonglin Wang, D. Maru, S. Kopetz, Lawrence N. Kwong
{"title":"A Gold Standard-Derived Modular Barcoding Approach to Cancer Transcriptomics","authors":"Yan Zhu, M. Koleilat, J. Roszik, Man Kam Kwong, Zhonglin Wang, D. Maru, S. Kopetz, Lawrence N. Kwong","doi":"10.3390/cancers16101886","DOIUrl":"https://doi.org/10.3390/cancers16101886","url":null,"abstract":"A challenge with studying cancer transcriptomes is in distilling the wealth of information down into manageable portions of information. In this resource, we develop an approach that creates and assembles cancer type-specific gene expression modules into flexible barcodes, allowing for adaptation to a wide variety of uses. Specifically, we propose that modules derived organically from high-quality gold standards such as The Cancer Genome Atlas (TCGA) can accurately capture and describe functionally related genes that are relevant to specific cancer types. We show that such modules can: (1) uncover novel gene relationships and nominate new functional memberships, (2) improve and speed up analysis of smaller or lower-resolution datasets, (3) re-create and expand known cancer subtyping schemes, (4) act as a “decoder” to bridge seemingly disparate established gene signatures, and (5) efficiently apply single-cell RNA sequencing information to other datasets. Moreover, such modules can be used in conjunction with native spreadsheet program commands to create a powerful and rapid approach to hypothesis generation and testing that is readily accessible to non-bioinformaticians. Finally, we provide tools for users to create and interpret their own modules. Overall, the flexible modular nature of the proposed barcoding provides a user-friendly approach to rapidly decoding transcriptome-wide data for research or, potentially, clinical uses.","PeriodicalId":504676,"journal":{"name":"Cancers","volume":"68 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140973528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
RETRACTED: Godugu et al. Anti-Cancer Activities of Thyrointegrin αvβ3 Antagonist Mono- and Bis-Triazole Tetraiodothyroacetic Acid Conjugated via Polyethylene Glycols in Glioblastoma. Cancers 2021, 13, 2780 转载:Godugu等人通过聚乙二醇共轭的甲状腺整合素αvβ3拮抗剂单三唑和双三唑四碘甲状腺乙酸在胶质母细胞瘤中的抗癌活性。癌症 2021,13,2780
Cancers Pub Date : 2024-05-15 DOI: 10.3390/cancers16101880
Kavitha Godugu, Mehdi Rajabi, Shaker A. Mousa
{"title":"RETRACTED: Godugu et al. Anti-Cancer Activities of Thyrointegrin αvβ3 Antagonist Mono- and Bis-Triazole Tetraiodothyroacetic Acid Conjugated via Polyethylene Glycols in Glioblastoma. Cancers 2021, 13, 2780","authors":"Kavitha Godugu, Mehdi Rajabi, Shaker A. Mousa","doi":"10.3390/cancers16101880","DOIUrl":"https://doi.org/10.3390/cancers16101880","url":null,"abstract":"The journal retracts the article, “Anti-Cancer Activities of Thyrointegrin αvβ3 Antagonist Mono- and Bis-Triazole Tetraiodothyroacetic Acid Conjugated via Polyethylene Glycols in Glioblastoma” [...]","PeriodicalId":504676,"journal":{"name":"Cancers","volume":"73 8","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140973702","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Historical Perspective and Current Trends in Anticancer Drug Development 抗癌药物开发的历史展望和当前趋势
Cancers Pub Date : 2024-05-15 DOI: 10.3390/cancers16101878
Katarzyna Gach-Janczak, Joanna Drogosz-Stachowicz, Anna Janecka, Karol Wtorek, Marek Mirowski
{"title":"Historical Perspective and Current Trends in Anticancer Drug Development","authors":"Katarzyna Gach-Janczak, Joanna Drogosz-Stachowicz, Anna Janecka, Karol Wtorek, Marek Mirowski","doi":"10.3390/cancers16101878","DOIUrl":"https://doi.org/10.3390/cancers16101878","url":null,"abstract":"Cancer is considered one of the leading causes of death in the 21st century. The intensive search for new anticancer drugs has been actively pursued by chemists and pharmacologists for decades, focusing either on the isolation of compounds with cytotoxic properties from plants or on screening thousands of synthetic molecules. Compounds that could potentially become candidates for new anticancer drugs must have the ability to inhibit proliferation and/or induce apoptosis in cancer cells without causing too much damage to normal cells. Some anticancer compounds were discovered by accident, others as a result of long-term research. In this review, we have presented a brief history of the development of the most important groups of anticancer drugs, pointing to the fact that they all have many side effects.","PeriodicalId":504676,"journal":{"name":"Cancers","volume":"47 7","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140973788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Heterogeneous Profile of ROR1 Protein Expression across Tumor Types 不同肿瘤类型中 ROR1 蛋白表达的异质性特征
Cancers Pub Date : 2024-05-15 DOI: 10.3390/cancers16101874
Maria Gabriela Raso, Elizve Barrientos Toro, Kurt Evans, Yasmeen Rizvi, Rossana Lazcano, Argun Akcakanat, Patrizia Sini, Francesca Trapani, Eva Johanna Madlener, Lorenz Waldmeier, Alexander J. Lazar, Funda Meric-Bernstam
{"title":"Heterogeneous Profile of ROR1 Protein Expression across Tumor Types","authors":"Maria Gabriela Raso, Elizve Barrientos Toro, Kurt Evans, Yasmeen Rizvi, Rossana Lazcano, Argun Akcakanat, Patrizia Sini, Francesca Trapani, Eva Johanna Madlener, Lorenz Waldmeier, Alexander J. Lazar, Funda Meric-Bernstam","doi":"10.3390/cancers16101874","DOIUrl":"https://doi.org/10.3390/cancers16101874","url":null,"abstract":"The Wnt receptor ROR1 has generated increased interest as a cancer therapeutic target. Research on several therapeutic approaches involving this receptor is ongoing; however, ROR1 tissue expression remains understudied. We performed an immunohistochemistry analysis of ROR1 protein expression in a large cohort of multiple tumor and histologic types. We analyzed 12 anonymized multi-tumor tissue microarrays (TMAs), including mesothelioma, esophageal and upper gastrointestinal carcinomas, and uterine endometrioid carcinoma, among other tumor types. Additionally, we studied 5 different sarcoma types of TMAs and 6 patient-derived xenografts (PDX) TMAs developed from 19 different anatomic sites and tumor histologic types. A total of 1142 patient cases from different histologic types and 140 PDXs placed in TMAs were evaluated. Pathologists assessed the percentage of tumor cells in each case that were positive for ROR1 and the intensity of staining. For determining the prevalence of staining for each tumor type, a case was considered positive if >1% of its tumor cells showed ROR1 staining. Our immunohistochemistry assays revealed a heterogeneous ROR1 expression profile. A high prevalence of ROR1 expression was found in mesothelioma (84.6%), liposarcoma (36.1%), gastrointestinal stromal tumors (33.3%), and uterine endometrioid carcinoma (28.9%). Other histologic types such as breast, lung, renal cell, hepatocellular, urothelial carcinoma, and colon carcinomas; glioblastoma; cholangiocarcinoma; and leiomyosarcoma showed less ROR1 overall expression, ranging between 0.9 and 13%. No ROR1 expression was seen in mesenchymal chondrosarcoma, rhabdomyosarcoma, or gastric adenocarcinoma cases. Overall, ROR1 expression was relatively infrequent and low in most tumor types investigated; however, ROR1 expression was infrequent but high in selected tumor types, such as gastroesophageal GIST, suggesting that ROR1 prescreening may be preferable for those indications. Further, mesothelioma exhibited frequent and high levels of ROR1 expression, which represents a previously unrecognized therapeutic opportunity. These findings can contribute to the development of ROR1-targeted therapies.","PeriodicalId":504676,"journal":{"name":"Cancers","volume":"137 47","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140977022","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Unsatisfactory Neurological Outcome in an Intramedullary Thoracic Intermediate-Grade Melanocytoma—Systematic Review and Illustrative Case 胸腔髓内中分级黑色素细胞瘤不理想的神经系统预后--系统综述与案例说明
Cancers Pub Date : 2024-05-14 DOI: 10.3390/cancers16101867
Marco Battistelli, Fulvio Grilli, A. Rapisarda, Michele Di Domenico, Nicola Montano, Marco Gessi, Alessandro Olivi, Alessio Albanese, F. Polli
{"title":"Unsatisfactory Neurological Outcome in an Intramedullary Thoracic Intermediate-Grade Melanocytoma—Systematic Review and Illustrative Case","authors":"Marco Battistelli, Fulvio Grilli, A. Rapisarda, Michele Di Domenico, Nicola Montano, Marco Gessi, Alessandro Olivi, Alessio Albanese, F. Polli","doi":"10.3390/cancers16101867","DOIUrl":"https://doi.org/10.3390/cancers16101867","url":null,"abstract":"Background: Intramedullary melanocytomas are exceedingly rare, with only twenty-four cases reported up to now. They present as local invasive tumors despite their benign biological behavior. Attempting a complete safe resection often results in severe post-operative neurological deficits, as in our case presented here. Methods: A systematic review was conducted across the PubMed and Scopus databases including studies published till February 2024. Results: A total of 19 studies were included, encompassing 24 cases. A similar distribution between sexes was noted (M:F 13:11), with ages ranging from 19 to 79 years. The thoracic segment was most affected, and intermediate-grade melanocytoma (19 cases) was the most common histotype. Radiographically, intramedullary melanocytomas usually appear as hyperintense hemorrhagic lesions peripheral to the central canal with focal nodular enhancement. Intraoperatively, they are black–reddish to tan and are tenaciously adherent lesions. In the sampled studies, IONM employment was uncommon, and post-operative new-onset neurological deficits were described in 16 cases. Adjuvant RT was used in four cases and its value is debatable. Recurrence is common (10 cases), and adjuvant therapies (RT or repeated surgery) seem to play a palliative role. Case presentation: A 68-year-old woman presented with a three-year history of worsening spastic paraparesis and loss of independence in daily activities (McCormick grade 4). An MRI revealed an intramedullary tumor from Th5 to Th7, characterized by T1-weighted hyperintensity and signs of recent intralesional hemorrhage. Multimodal neuromonitoring, comprising the D-Wave, guided the resection of a black–tan-colored tumor with hyper-vascularization and strong adherence to the white matter. During final dissection of the lesion to obtain gross total resection (GTR), a steep decline in MEPs and D-Wave signals was recorded. Post-operatively, the patient had severe hypoesthesia with Th9 level and segmental motor deficits, with some improvement during neurorehabilitation. Histopathology revealed an intermediate-grade melanocytoma (CNS WHO 2021 classification). A four-month follow-up documented the absence of relapse. Conclusions: This literature review highlights that intramedullary T1 hyperintense hemorrhagic thoracic lesions in an adult patient should raise the suspicion of intramedullary melanocytoma. They present as locally aggressive tumors, due to local invasiveness, which often lead to post-operative neurological deficits, and frequent relapses, which overwhelm therapeutic strategies leading to palliative care after several years.","PeriodicalId":504676,"journal":{"name":"Cancers","volume":"17 9","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140981816","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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