Ocular Oncology and Pathology最新文献

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Small Choroidal Melanoma: Correlation between Clinical Characteristics and Metastatic Potential. 小脉络膜黑色素瘤:临床特征与转移潜力的相关性。
IF 1
Ocular Oncology and Pathology Pub Date : 2021-12-01 Epub Date: 2021-09-16 DOI: 10.1159/000519672
Shiming Luo, Vishal Raval, Emily C Zabor, Arun D Singh
{"title":"Small Choroidal Melanoma: Correlation between Clinical Characteristics and Metastatic Potential.","authors":"Shiming Luo,&nbsp;Vishal Raval,&nbsp;Emily C Zabor,&nbsp;Arun D Singh","doi":"10.1159/000519672","DOIUrl":"10.1159/000519672","url":null,"abstract":"<p><strong>Importance: </strong>Diagnosis of small choroidal melanoma is based upon clinical features and presence of factors predictive of local malignant growth. Prognostic biopsy quantifies risk of metastasis.</p><p><strong>Objective: </strong>The aim of this study is to explore relationship between clinical characteristics and metastatic potential of a small choroidal melanoma.</p><p><strong>Design: </strong>Retrospective review of 53 patients with small choroidal melanoma treated in a tertiary oncology clinic. Patients were derived from 3 cohorts, with pathologic confirmation, with growth confirmation, and those treated only on clinical basis. Based upon prognostic biopsy outcomes, each case was classified into low or high metastatic potential groups. Distribution of clinical characteristics such as age, laterality, symptoms, tumor dimensions, tumor distance from optic nerve and fovea, presence of surface orange pigment, drusen, retinal pigment epithelial atrophy, and subretinal fluid was analyzed between metastatic groups.</p><p><strong>Main outcome measures: </strong>Distribution of clinical characteristics between low or high metastatic potential groups was analyzed.</p><p><strong>Results: </strong>A total of 53 patients [mean age, 61 years (range, 27-81 years); 32 (60%) men and 21 (40%) women] were classified into pathology confirmed group (<i>n</i> = 13), growth confirmed group (<i>n</i> = 26), and with clinical group (<i>n</i> = 14). Prognostic biopsy in the growth, pathology, and clinical groups revealed low metastatic potential in 23, 10, and 11 patients, respectively, and high metastatic potential in 3 patients in each group. Distribution of clinical characteristics between low or high metastatic potential groups was not statistically significantly different.</p><p><strong>Conclusion: </strong>Clinical characteristics do not identify metastatic potential of a small choroidal melanoma.</p>","PeriodicalId":19434,"journal":{"name":"Ocular Oncology and Pathology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8740206/pdf/oop-0007-0437.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39865613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Small Choroidal Melanoma: Correlation of Growth Rate with Pathology. 小型脉络膜黑色素瘤:生长速度与病理学的相关性。
IF 0.9
Ocular Oncology and Pathology Pub Date : 2021-12-01 Epub Date: 2021-07-30 DOI: 10.1159/000517203
Vishal Raval, Shiming Luo, Emily C Zabor, Arun D Singh
{"title":"Small Choroidal Melanoma: Correlation of Growth Rate with Pathology.","authors":"Vishal Raval, Shiming Luo, Emily C Zabor, Arun D Singh","doi":"10.1159/000517203","DOIUrl":"10.1159/000517203","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of the study was to evaluate equivalence of growth rate and pathologic confirmation in small choroidal melanoma (SCM).</p><p><strong>Design: </strong>This study is a case series.</p><p><strong>Subjects participants and controls: </strong>A total of 61 patients with a choroidal melanocytic tumor of size 5.0-16.0 mm in the largest basal diameter and 1.0-2.5 mm in thickness were classified into the pathology-confirmed group (<i>n</i> = 19), growth-confirmed group (<i>n</i> = 30), and with combined observations (<i>n</i> = 12).</p><p><strong>Methods: </strong>Distribution of clinical variables (age, gender, laterality, tumor dimensions, tumor location, and presence of orange pigment, subretinal fluid, drusen, and retinal pigment epithelial [RPE] atrophy) between the groups was analyzed. Patient and disease characteristics were summarized as the median and interquartile range for continuous variables and the frequency and percentage for categorical variables. Comparisons were made using the Wilcoxon rank sum test for continuous variables and either Fisher's exact test or the χ<sup>2</sup> test for categorical variables with a <i>p</i> value threshold of 0.05 for statistical significance. Growth rate (change in basal dimension/12 months) diagnostic of SCM was quantified.</p><p><strong>Main outcome measures: </strong>The primary aim of this study was to test the hypothesis that \"growth\" was diagnostic of SCM with the secondary aim of quantifying the malignant \"growth rate\" (growth rate of SCM).</p><p><strong>Results: </strong>The clinical characteristics among all 3 groups were similar except more patients with symptoms (68 vs. 20 vs. 42%, <i>p</i> = 0.004) and juxtapapillary location (<i>p</i> = 0.03) were in the pathology group than in the growth-confirmed group. Those in the combined and growth-confirmed groups had more patients with drusen (11 vs. 60 vs. 50%, <i>p</i> = 0.003) and RPE atrophy (11 vs. 23 vs. 67%, <i>p</i> = 0.003), respectively, than in the pathology group. The median time to detect growth was 9 months (range 3-26 months). The mean growth rate in basal dimension was 1.8 mm/12 months (range, 0.0-7.4 mm; [95% CI: 1.32-2.28]).</p><p><strong>Conclusions and relevance: </strong>Choroidal melanocytic lesions exhibiting a defined growth rate can be clinically diagnosed as SCM without a need for biopsy.</p>","PeriodicalId":19434,"journal":{"name":"Ocular Oncology and Pathology","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2021-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8740066/pdf/oop-0007-0401.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39865610","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Carbon Fiducial Markers for Tumor Localization in Stereotactic Irradiation of Uveal Melanoma. 用于葡萄膜黑色素瘤立体定向照射中肿瘤定位的碳簇标记物
IF 0.9
Ocular Oncology and Pathology Pub Date : 2021-10-01 Epub Date: 2021-08-03 DOI: 10.1159/000518742
Timothy T Xu, Jose S Pulido, Ian F Parney, Cristiane M Ida, Lauren A Dalvin, Timothy W Olsen
{"title":"Carbon Fiducial Markers for Tumor Localization in Stereotactic Irradiation of Uveal Melanoma.","authors":"Timothy T Xu, Jose S Pulido, Ian F Parney, Cristiane M Ida, Lauren A Dalvin, Timothy W Olsen","doi":"10.1159/000518742","DOIUrl":"10.1159/000518742","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this study was to demonstrate the role of carbon fiducial markers (fiducials) for guiding radiotherapy in the management of uveal melanoma (UM).</p><p><strong>Methods: </strong>This is a retrospective interventional case series at a single-center ocular oncology practice. The medical records were reviewed retrospectively for all patients with UM treated with stereotactic radiosurgery using episcleral fiducials. We report our short-term experience with surgical placement of fiducials, UM localization, treatment outcomes, and optimization approaches.</p><p><strong>Results: </strong>We evaluated 11 cases of UM (mean age: 65 years; 64% female). The placed fiducials were numbered from 2 to 4, each secured to the sclera with a surgical microscope or surgical loupes and either 5-0 or 8-0 nylon sutures at 50% scleral depth and 3 mm beyond the tumor margin. Over a median follow-up of 11 months (range: 4.2-43.2 months), no recurrences of intraocular UM were observed. One case of enucleation after stereotactic radiosurgery developed because of radiation-related surface irritation, ocular dryness, and secondary keratopathy. Two patients (18%) with 5-0 nylon sutures required fiducial removal because of suture exposure, successfully accomplished in an outpatient setting.</p><p><strong>Conclusions: </strong>Fiducials represent a viable alternative to tantalum rings for guiding stereotactic radiotherapy to manage UM and provide additional definition of the tumor border with linear orientation that helps optimize targeted radiation delivery. Fiducial placement with a 3-mm margin from the visible tumor border should not result in clinically important radiation dose attenuation at the tumor margins. Anteriorly placed fiducials may cause discomfort, yet they are easily removed in the outpatient setting.</p>","PeriodicalId":19434,"journal":{"name":"Ocular Oncology and Pathology","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2021-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8531828/pdf/oop-0007-0368.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39580068","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Front & Back Matter 正面和背面
IF 1
Ocular Oncology and Pathology Pub Date : 2021-10-01 DOI: 10.1159/000520013
{"title":"Front & Back Matter","authors":"","doi":"10.1159/000520013","DOIUrl":"https://doi.org/10.1159/000520013","url":null,"abstract":"","PeriodicalId":19434,"journal":{"name":"Ocular Oncology and Pathology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2021-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87161862","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
Uveal Melanoma: Refusal of Treatment. 葡萄膜黑色素瘤:拒绝治疗。
IF 1
Ocular Oncology and Pathology Pub Date : 2021-10-01 Epub Date: 2021-08-27 DOI: 10.1159/000515559
Randy Christopher Bowen, Soto Hansell, Vishal Raval, Jacquelyn M Davanzo, Arun D Singh
{"title":"Uveal Melanoma: Refusal of Treatment.","authors":"Randy Christopher Bowen,&nbsp;Soto Hansell,&nbsp;Vishal Raval,&nbsp;Jacquelyn M Davanzo,&nbsp;Arun D Singh","doi":"10.1159/000515559","DOIUrl":"https://doi.org/10.1159/000515559","url":null,"abstract":"<p><strong>Purpose: </strong>This study aimed to explore factors for refusing treatment in patients diagnosed with uveal melanoma and their subsequent clinical course.</p><p><strong>Methods: </strong>This study included patients with uveal melanoma who refused standard of care treatment. Patient-reported reasons and pre-existing mental health diagnoses were assessed. The sociodemographic profile was compared with the controls. Ocular survival, metastasis-free survival (MFS), and overall survival (OS) were calculated.</p><p><strong>Results: </strong>Nine patients with uveal melanoma declined ocular treatment (plaque brachytherapy, <i>n</i> = 7 [78%]; enucleation, <i>n</i> = 2 [22%]). The choroidal melanomas were small (<i>n</i> = 1 [11%]), medium (<i>n</i> = 5 [56%]), and large (<i>n</i> = 3 [33%]) in size (COMS criteria). The sociodemographic profile of the study patients was not different from those that accepted treatment. One patient (11%) had pre-existing mental health diagnosis. Five patients (56%) eventually accepted treatment following an average delay of 19 months (range: 4-55 months) due to neovascular glaucoma or severe vision loss. MFS could not be ascertained, and OS was 67% (6/9) at 4.2 years of follow-up (mean).</p><p><strong>Conclusions: </strong>Refusal of initial recommended treatment is associated with poor ocular survival. The small sample size did not allow for an evaluation of the impact on survival.</p>","PeriodicalId":19434,"journal":{"name":"Ocular Oncology and Pathology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2021-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8531830/pdf/oop-0007-0361.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39580067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Germ Line BAP1 Mutation in Patients with Uveal Melanoma and Renal Cell Carcinoma. 葡萄膜黑色素瘤和肾细胞癌患者生殖系BAP1突变
IF 1
Ocular Oncology and Pathology Pub Date : 2021-10-01 Epub Date: 2021-06-30 DOI: 10.1159/000516695
Yusra F Shao, Meghan DeBenedictis, Gabrielle Yeaney, Arun D Singh
{"title":"Germ Line <i>BAP1</i> Mutation in Patients with Uveal Melanoma and Renal Cell Carcinoma.","authors":"Yusra F Shao,&nbsp;Meghan DeBenedictis,&nbsp;Gabrielle Yeaney,&nbsp;Arun D Singh","doi":"10.1159/000516695","DOIUrl":"https://doi.org/10.1159/000516695","url":null,"abstract":"<p><p>Uveal melanoma (UM) and renal cell carcinoma (RCC) can occur sporadically and as a manifestation of <i>BAP1</i> tumor predisposition syndrome. We aimed to understand the prevalence of germ line <i>BAP1</i> pathogenic variants in patients with UM and RCC. We reviewed patients managed at Cleveland Clinic between November 2003 and November 2019 who were diagnosed with UM and RCC. Charts were reviewed for demographic and cancer-related characteristics. RCC samples were tested for <i>BAP1</i> protein expression using immunohistochemical (IHC) staining, and testing for germ line <i>BAP1</i> pathogenic variants was performed as part of routine clinical care. Thirteen patients were included in the study. The average age at diagnosis of UM was 61.3 years. Seven patients underwent fine-needle aspiration biopsy for prognostic testing of UM (low risk =5, high risk =2). Twelve patients were treated with plaque radiation therapy, and 3 patients developed metastatic disease requiring systemic therapy. The median time to diagnosis of RCC from time of diagnosis of UM was 0 months. RCC samples were available for 7 patients for BAP1 IHC staining (intact =6, loss =1). All patients underwent nephrectomy (total = 3, partial = 8, unknown =2), and 1 received systemic therapy for metastatic RCC. Six patients underwent germ line <i>BAP1</i> genetic testing. Of these, 1 patient was heterozygous for a pathogenic variant of <i>BAP1</i> gene: c.1781-1782delGG, p.Gly594Valfs*48. The overall prevalence of germ line <i>BAP1</i> pathogenic variants in our study was high (1/6; 17%; 95% CI 0-46%). Patients with UM and RCC should be referred for genetic counseling to discuss genetic testing.</p>","PeriodicalId":19434,"journal":{"name":"Ocular Oncology and Pathology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2021-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000516695","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39580064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Recurrence of Primary Breast Lymphoma Presenting as Bilateral Vitreoretinal Lymphoma. 原发性乳腺淋巴瘤复发表现为双侧玻璃体视网膜淋巴瘤。
IF 1
Ocular Oncology and Pathology Pub Date : 2021-10-01 Epub Date: 2021-05-19 DOI: 10.1159/000515560
Karishma Habbu, Roshan George, Miguel Materin
{"title":"Recurrence of Primary Breast Lymphoma Presenting as Bilateral Vitreoretinal Lymphoma.","authors":"Karishma Habbu,&nbsp;Roshan George,&nbsp;Miguel Materin","doi":"10.1159/000515560","DOIUrl":"https://doi.org/10.1159/000515560","url":null,"abstract":"<p><strong>Purpose: </strong>This report describes a case of relapsed primary breast lymphoma (PBL) presenting as vitreoretinal lymphoma (VRL).</p><p><strong>Methods: </strong>We describe the clinical and hematopathologic findings in a patient with relapsed PBL involving the vitreous of both eyes.</p><p><strong>Results: </strong>A 59-year-old woman was treated for PBL with systemic and intrathecal chemotherapy 5 years prior to presentation. Three years later, she presented to an outside clinic with blurred vision in both eyes and bilateral vitritis. She was referred to our clinic with concern for ocular lymphoma. On presentation, the patient's best-corrected visual acuity was 20/40 in the right eye and 20/25 in the left eye with 3+ vitreous cells in the right eye and 2+ vitreous cells in the left eye. Vitreous biopsy of the right eye revealed CD5-negative/CD10-negative B-cell lymphoma cells on flow cytometry. She had no evidence of disease on brain MRI, lumbar puncture, bone marrow biopsy, or full-body CT scans. She was treated with a regimen of rituximab, methotrexate, procarbazine, and vincristine for central nervous system penetration as well as multiple intraocular injections of methotrexate and rituximab with improvement in vision and ocular inflammation bilaterally.</p><p><strong>Conclusion: </strong>Relapsed PBL can present as bilateral VRL.</p>","PeriodicalId":19434,"journal":{"name":"Ocular Oncology and Pathology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2021-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000515560","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39684538","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Peripapillary Neuroendocrine Carcinoma Metastasis: A Novel Approach to Treatment. 乳头周围神经内分泌癌转移:一种新的治疗方法。
IF 1
Ocular Oncology and Pathology Pub Date : 2021-10-01 Epub Date: 2021-06-02 DOI: 10.1159/000510276
Colin S Ip, Yuval Raizen, David Goldfarb, Eric Kegley, Jose Munoz, Amy C Schefler
{"title":"Peripapillary Neuroendocrine Carcinoma Metastasis: A Novel Approach to Treatment.","authors":"Colin S Ip,&nbsp;Yuval Raizen,&nbsp;David Goldfarb,&nbsp;Eric Kegley,&nbsp;Jose Munoz,&nbsp;Amy C Schefler","doi":"10.1159/000510276","DOIUrl":"https://doi.org/10.1159/000510276","url":null,"abstract":"<p><p>Peripapillary and circumpapillary retinal intraocular metastases are rare and present a treatment challenge for ophthalmologists because of the high risk of iatrogenic injury to the optic nerve. There are no clear guidelines on the management of these lesions, and many clinicians will initially observe for improvement of the metastases with systemic chemotherapy before considering local therapy with external beam radiation. Radiation to the optic disc carries a significant risk of injuring the optic nerve, leading to worsening of vision. Alternative treatment approaches are needed. We present a patient with large-cell neuroendocrine carcinoma with metastasis to the peripapillary retina who was treated with intravitreal topotecan and with intravitreal aflibercept. Serial fundus photos, ultrasound, and optical coherence tomography demonstrated a reduction in size of the lesion and a decrease in subretinal fluid with intravitreal topotecan and aflibercept. In addition, visual acuity was stabilized during treatment. Intravitreal chemotherapy for intraocular metastases in vision-sensitive areas such as the peripapillary retina may be a viable alternative for patients who seek to preserve their vision and maintain their quality of life.</p>","PeriodicalId":19434,"journal":{"name":"Ocular Oncology and Pathology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2021-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000510276","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39684539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Vitrectomy-Assisted Biopsy: An in vitro Study on the Impact of Cut Rate and Probe Size. 玻璃体切除术辅助活检:切割率和探针大小影响的体外研究。
IF 1
Ocular Oncology and Pathology Pub Date : 2021-10-01 Epub Date: 2021-07-08 DOI: 10.1159/000516960
Erlend Ulltang, Jens Folke Kiilgaard, Nazanin Mola, David Scheie, Steffen Heegaard, Jørgen Krohn
{"title":"Vitrectomy-Assisted Biopsy: An in vitro Study on the Impact of Cut Rate and Probe Size.","authors":"Erlend Ulltang,&nbsp;Jens Folke Kiilgaard,&nbsp;Nazanin Mola,&nbsp;David Scheie,&nbsp;Steffen Heegaard,&nbsp;Jørgen Krohn","doi":"10.1159/000516960","DOIUrl":"https://doi.org/10.1159/000516960","url":null,"abstract":"<p><strong>Purpose: </strong>The aim of this study was to optimize the technique of performing vitrectomy-assisted biopsy of intraocular tumors by comparing the cytohistological findings in specimens obtained with different vitrectomy probes and cut rates.</p><p><strong>Methods: </strong>Vitrectomy-assisted biopsies were taken from a fresh porcine liver. For each sampling, the vacuum level was 300 mm Hg. The following parameters were compared; cut rate (60, 600 and 6,000 cuts per minute [cpm]), probe type (standard and two-dimensional cutting [TDC]), and probe diameter (23-gauge and 25-gauge). The specimens were assessed by automated whole-slide imaging analysis and conventional light microscopy.</p><p><strong>Results: </strong>Seventy-two biopsies were analyzed for the number of hepatocytes, total area of tissue fragments, and total stained area of each microscope slide. For all probe types, these parameters were significantly and positively correlated with the cut rate. TDC probes led to significantly higher scores than those of standard probes, independent of the cut rate. There were no significant differences in results when using 23-gauge or 25-gauge standard probes. Light microscopic examination demonstrated well-preserved cells sufficient for cytohistological analyses in all investigated cases.</p><p><strong>Conclusions: </strong>The higher the cut rate, the larger is the amount of aspirated cellular material. There were no significant differences between 23-gauge and 25-gauge biopsies. Cut rates up to 6,000 cpm did not adversely affect the cytohistological features of the samples.</p>","PeriodicalId":19434,"journal":{"name":"Ocular Oncology and Pathology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2021-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000516960","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39580065","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optical Coherence Tomography Angiography Microvascular Variations in Pre- and Posttreatment of Retinoblastoma Tumors. 光学相干断层扫描血管造影在视网膜母细胞瘤治疗前后的微血管变化。
IF 1
Ocular Oncology and Pathology Pub Date : 2021-10-01 Epub Date: 2021-06-02 DOI: 10.1159/000515142
Juan P Fernandez, Asghar A Haider, Lejla Vajzovic, Arathi Ponugoti, Michael P Kelly, Miguel A Materin
{"title":"Optical Coherence Tomography Angiography Microvascular Variations in Pre- and Posttreatment of Retinoblastoma Tumors.","authors":"Juan P Fernandez,&nbsp;Asghar A Haider,&nbsp;Lejla Vajzovic,&nbsp;Arathi Ponugoti,&nbsp;Michael P Kelly,&nbsp;Miguel A Materin","doi":"10.1159/000515142","DOIUrl":"https://doi.org/10.1159/000515142","url":null,"abstract":"<p><strong>Introduction: </strong>The purpose of this study is to describe variations in microvasculature before and after treatment of treatment-naive lesions and during consolidation therapy of retinoblastoma lesions using an investigational portable optical coherence tomography angiography (OCTA) system.</p><p><strong>Methods: </strong>This study is a single-center, prospective, observational case series. Recruited subjects were either undergoing surveillance for retinoblastoma or had newly detected retinoblastoma. Nine tumors from 7 eyes in 6 patients were included. During exams under anesthesia, the tumors were imaged with an investigational portable OCTA system. OCTA images were analyzed to assess vascular changes before and after treatment.</p><p><strong>Results: </strong>In all 6 presented cases, OCTA imaging revealed distinctive vascular patterns, such as dilated feeder arteries and draining veins, disorganized and complex branching patterns, irregular vessel calibers, and dilation and tortuosity of vessels. After treatment, OCTA imaging revealed decreased intrinsic tumor vascularity and reduced dilation of draining and feeder vessels. Tumor relapse demonstrated prominent vascularity (<i>n</i> = 1) that resolved on repeat OCTA after transpupillary thermotherapy treatment. Type 2 (<i>n</i> = 1), 3 (<i>n</i> = 6), and 4 (<i>n</i> = 1) tumor regression patterns were seen in our patients after treatment, and OCTA findings were consistent with a previously published report. Interestingly, in one of the presented cases, OCTA demonstrated clear feeder, draining, and intrinsic tumor vessels that were not as evident on fluorescein angiography.</p><p><strong>Conclusions: </strong>OCTA may offer a noninvasive and sensitive technique to evaluate the vasculature of both the tumor and the surrounding retina in retinoblastoma. With additional research and development into its use in patients with retinoblastoma, OCTA may one day be useful in assessing treatment response and residual tumor activity.</p>","PeriodicalId":19434,"journal":{"name":"Ocular Oncology and Pathology","volume":null,"pages":null},"PeriodicalIF":1.0,"publicationDate":"2021-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1159/000515142","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39580063","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
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