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Forer S, Ben Simon GJ, Greenberg G, Smadar L, Zabatani A, Arazi M, Fabian ID, Vishnevskia-Dai V, Landau-Prat D. Orbital Development in Children with Retinoblastoma: An Imaging-Based Study. Semin Ophthalmol 2024; 39:369-375. [PMID: 38329101 DOI: 10.1080/08820538.2024.2312968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 01/25/2024] [Indexed: 02/09/2024]
Abstract
PURPOSE To examine whether children treated for Retinoblastoma (Rb) have impaired orbital development. METHODS A retrospective case series was performed among children with Rb treated at a single medical center from 2004 to 2020. Orbital volumes and measurements were assessed by 3-dimensional image processing software. The main outcome measures were differences in orbital growth between Rb and non-Rb eyes assessed at last follow-up. RESULTS Among 44 patients included (mean age 16.09 ± 18.01 months), a positive correlation between age and orbital volume was observed only in the uninvolved, healthy eyes (p = .03). In unilateral cases, orbital growth in the horizontal, vertical, and depth planes was smaller on the affected side compared to the healthy eyes (p < .05). Orbits that underwent enucleation showed decreased growth over time compared to those treated conservatively (p = .017). CONCLUSIONS Orbital growth rate is slower in the orbits of children treated for Rb compared to healthy orbits. Enucleation negatively affects orbital growth.
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Affiliation(s)
- Shir Forer
- Hadassah Faculty of Medicine, The Hebrew University, Jerusalem, Israel
| | - Guy J Ben Simon
- Orbital Ophthalmic Plastic & Lacrimal Surgery Institute, Goldschleger Eye Institute, Sheba Medical Center, Tel Hashomer, Israel
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- The Sheba Talpiot Medical Leadership Program, Sheba Medical Center, Tel Hashomer, Israel
| | - Gahl Greenberg
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Department of Neuroradiology, Sheba Medical Center, Tel Hashomer, Israel
| | - Lital Smadar
- Orbital Ophthalmic Plastic & Lacrimal Surgery Institute, Goldschleger Eye Institute, Sheba Medical Center, Tel Hashomer, Israel
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Amit Zabatani
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- The Sheba Talpiot Medical Leadership Program, Sheba Medical Center, Tel Hashomer, Israel
- Department of Orthopedics, Sheba Medical Center, Tel Hashomer, Israel
| | - Mattan Arazi
- Orbital Ophthalmic Plastic & Lacrimal Surgery Institute, Goldschleger Eye Institute, Sheba Medical Center, Tel Hashomer, Israel
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Ido Didi Fabian
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- The Sheba Talpiot Medical Leadership Program, Sheba Medical Center, Tel Hashomer, Israel
- Ocular Oncology Service, Goldschleger Eye Institute, Sheba Medical Center, Tel Hashomer, Israel
| | - Vicktoria Vishnevskia-Dai
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- Ocular Oncology Service, Goldschleger Eye Institute, Sheba Medical Center, Tel Hashomer, Israel
| | - Daphna Landau-Prat
- Orbital Ophthalmic Plastic & Lacrimal Surgery Institute, Goldschleger Eye Institute, Sheba Medical Center, Tel Hashomer, Israel
- Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
- The Sheba Talpiot Medical Leadership Program, Sheba Medical Center, Tel Hashomer, Israel
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2
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Meel R, Kulkarni S, Singh L, Chinnaswamy G, Radhakrishnan V, Madan R, Sasi A, Kaur T, Dhaliwal RS, Bakhshi S. Management of Intraocular Retinoblastoma: ICMR Consensus Guidelines. Indian J Pediatr 2024:10.1007/s12098-024-05095-0. [PMID: 38609685 DOI: 10.1007/s12098-024-05095-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 03/01/2024] [Indexed: 04/14/2024]
Abstract
Retinoblastoma (RB) is the most common childhood intraocular malignancy. Delayed presentation due to a lack of awareness and advanced intraocular tumors are a common scenario in low-middle income countries (LMICs). Remarkable treatment advances have been made in the past few decades allowing globe salvage in advanced intraocular RB (IORB) including systemic chemotherapy with focal consolidation and targeted treatments like intraarterial chemotherapy and intravitreal chemotherapy. However, a lack of availability and affordability limits the use of such advances in LMICs. External beam radiotherapy, despite risk of second cancers in RB with germline mutations, still remains useful for recalcitrant RB not responding to any other treatment. When choosing conservative treatment for advanced IORB, the cost and long duration of treatment, morbidity from multiple evaluation under anesthesias (EUAs), side effects of treatment and risk of treatment failure need to be taken into account and discussed with the parents. In this article, the authors discuss the ICMR consensus guidelines on the management of IORB.
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Affiliation(s)
- Rachna Meel
- Department of Oculoplasty and Ocular Oncology Services, Dr. Rajendra Prasad Centre of Ophthalmic Sciences, All India Institute of Medical Sciences, New Delhi, 110 029, India.
| | - Suyash Kulkarni
- Department of Interventional Radiology, Tata Memorial Hospital, Parel, Mumbai, India
| | - Lata Singh
- Department of Pediatrics, All India Institute of Medical Sciences, New Delhi, India
| | - Girish Chinnaswamy
- Department of Pediatric Oncology, Tata Memorial Hospital, Parel, Mumbai, India
| | - Venkatraman Radhakrishnan
- Department of Medical Oncology and Pediatric Oncology, Cancer Institute (W.I.A), Adyar, Chennai, India
| | - Renu Madan
- Department of Radiotherapy and Oncology, Post Graduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Archana Sasi
- Department of Medical Oncology, Dr. B.R.A. Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
| | - Tanvir Kaur
- Division of Non-communicable Diseases (NCD Division), Indian Council of Medical Research (ICMR), New Delhi, India
| | - R S Dhaliwal
- Division of Non-communicable Diseases (NCD Division), Indian Council of Medical Research (ICMR), New Delhi, India
| | - Sameer Bakhshi
- Department of Medical Oncology, Dr. B.R.A. Institute Rotary Cancer Hospital, All India Institute of Medical Sciences, New Delhi, India
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Lin HY, Ho CH, Lin YS, Kuo SC, Chen YC, Cheng YJ. Retinoblastoma Incidence in Taiwan Over a Recent 20-Year Period: A Comprehensive Nationwide Study. Int J Gen Med 2024; 17:909-917. [PMID: 38476628 PMCID: PMC10929645 DOI: 10.2147/ijgm.s452277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 02/23/2024] [Indexed: 03/14/2024] Open
Abstract
Purpose Continuous advancements in medical diagnostic technology and the growing availability of resources suggest a potential for fluctuations in the incidence rate of retinoblastoma (Rb). This study aimed to analyze incidence data of Rb patients in Taiwan from 1999 to 2018, utilizing the nationwide Taiwan Cancer Registry (TCR) database. Additionally, we investigated the treatment modalities used for these Rb patients and compared them with those observed in other countries. Patients and Methods We conducted a retrospective cohort study utilizing data from the TCR database. The study cohort comprised individuals who were newly diagnosed with Rb between 1999 and 2018. The incidence of Rb was calculated as the number of patients with Rb per million live births, both for the entire population and for different gender groups and time periods. The trends in Rb incidence from 1999 to 2018 across various age groups and sexes were presented with the linear trend test. Results From 1999 to 2018, a total of 248 cases of Rb were identified. The overall incidence rate over this 20-year period was 60.20 cases per million live births, corresponding to 1 case per 16,611 live births. Incidence rates for each 5-year period between 1999 and 2018 exhibited no significant differences. The study cohort was predominantly male, with 134 cases (54.03%) being males and 114 cases (45.97%) being females, resulting in an overall male-to-female sex ratio of 1.18. Females had lower relative risk than males (RR: 0.92, 95% CI: 0.72-1.19). Primary surgical intervention was the preferred treatment modality for over 75% of the cases. Conclusion This retrospective epidemiology study, using TCR from 1999 to 2018, indicated that no discernible trend of retinoblastoma incidence in Taiwan. Nevertheless, continuous monitoring of incidence rates and exploration of treatment strategies for retinoblastoma within the Taiwanese population are important to address potential changes in developing medical practices.
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Affiliation(s)
- Hsin-Ying Lin
- Department of Ophthalmology, Chi Mei Medical Center, Tainan, Taiwan
| | - Chung-Han Ho
- Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan
- Department of Information Management, Southern Taiwan University of Science and Technology, Tainan, Taiwan
| | - Yu-Shiuan Lin
- Department of Ophthalmology, Chi Mei Medical Center, Tainan, Taiwan
| | - Shu-Chun Kuo
- Department of Ophthalmology, Chi Mei Medical Center, Tainan, Taiwan
- Department of Optometry, Chung Hwa University of Medical Technology, Tainan, Taiwan
| | - Yi-Chen Chen
- Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan
| | - Yung-Jen Cheng
- Department of Radiation Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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Naseripour M, Mirshahi R, Kasraei H, Sedaghat A, Azimi F. Spotlight on Targeted Chemotherapy in Retinoblastoma: Safety, Efficacy, and Patient Outcomes. Onco Targets Ther 2022; 15:1545-1561. [PMID: 36579184 PMCID: PMC9792108 DOI: 10.2147/ott.s370878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 11/29/2022] [Indexed: 12/24/2022] Open
Abstract
As the most common primary intraocular malignancy of childhood, retinoblastoma (RB) has had a complex journey in its management, following a course from enucleation as the first life-saving treatment to numerous globe-salvaging therapies during the last century. Currently, this potentially lethal disease has achieved high survival rates owing to multidisciplinary management and the introduction of neoadjuvant and multimodal chemotherapy. Therefore, the goal of treatment is shifting toward conserving the globe and vision as much as possible. Up until recently, many advanced cases of RB were enucleated primarily; however, targeted chemotherapy via the ophthalmic artery and management of intraocular seeding by local administration of chemotherapeutic agents have revolutionized the globe-conserving therapies. The added benefit of avoiding systemic complications of cytotoxic drugs resulted in these methods gaining popularity, and they are becoming a main part of care in many referral centers. Initially, there were some safety concerns regarding these approaches; however, increasing experience has shown that these modalities are relatively safe procedures and many complications can be averted by changing the choice of the drug and using some prophylactic measures. It is hoped that, in the near future, with advances in early diagnosis and patient-targeted molecular therapies, as well as gene-editing techniques, the patient's vision can be saved even in advanced RB.
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Affiliation(s)
- Masood Naseripour
- Eye Research Center, The Five Senses Health Institute, Rassoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran,Stem Cell and Regenerative Medicine Research Center, Iran University of Medical Sciences, Tehran, Iran,Correspondence: Masood Naseripour, Department of Ophthalmology, Iran University of Medical Sciences (IUMS), Rassoul Akram Hospital, Niayesh Ave, 14455-364, Tehran, Iran, Fax +98 21 66509162, Email
| | - Reza Mirshahi
- Eye Research Center, The Five Senses Health Institute, Rassoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran,Stem Cell and Regenerative Medicine Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Hengameh Kasraei
- Eye Research Center, The Five Senses Health Institute, Rassoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Ahad Sedaghat
- Eye Research Center, The Five Senses Health Institute, Rassoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Azimi
- Eye Research Center, The Five Senses Health Institute, Rassoul Akram Hospital, Iran University of Medical Sciences, Tehran, Iran
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lncRNA FOXD2-AS1 Promotes the Retinoblastoma Cell Viability and Migration by Sponging miR-31. BIOMED RESEARCH INTERNATIONAL 2022; 2022:7723425. [PMID: 35782084 PMCID: PMC9246629 DOI: 10.1155/2022/7723425] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/31/2022] [Accepted: 06/08/2022] [Indexed: 02/07/2023]
Abstract
Background. The purpose of this study was to explore the functions of FOXD2-AS1 and miR-31 in retinoblastoma. Material and Methods. An RT-qPCR assay was applied to calculate the mRNA levels of FOXD2-AS1, miR-31, and PAX9. A dual-luciferase reporter gene assay was employed to verify the connection between FOXD2-AS1, miR-31, and PAX9 expression. Results. FOXD2-AS1 was upregulated, and miR-31 was lowly expressed in retinoblastoma. Low expression of FOXD2-AS1 promoted cell proliferation and migration, and upregulation of FOXD2-AS1 inhibited proliferative and migratory abilities. lncRNA FOXD2-AS1 directly bound to miR-31 and regulated miR-31 expression in SO-RB50 cells. Cell proliferation and migration were inhibited by the miR-31 mimic. miR-31 mediated PAX9 expression via directly binding to PAX9 mRNA. A miR-31 inhibitor partially reversed the effect of FOXD2-AS1 knockdown on the proliferation and migration in SO-RB50 cells. FOXD2-AS1 knockdown reduced PAX9 expression in SO-RB50 cells. PAX9 had negative connection with miR-31, and it had positive relationship with FOXD2-AS1. Conclusion. lncRNA FOXD2-AS1 inhibited cell proliferation and migration via the miRNA-31/PAX9 axis in retinoblastoma.
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Zhao J, Feng Z, Leung G, Gallie BL. Retinoblastoma Survival Following Primary Enucleation by AJCC Staging. Cancers (Basel) 2021; 13:cancers13246240. [PMID: 34944860 PMCID: PMC8699512 DOI: 10.3390/cancers13246240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 12/01/2021] [Accepted: 12/09/2021] [Indexed: 11/16/2022] Open
Abstract
Primary enucleation of the eye with retinoblastoma is a widely accessible, life-saving treatment for retinoblastoma. This study evaluated the survival of patients following primary enucleation based on AJCC 8th edition staging. Included were 700 consecutive patients (700 eyes) treated with primary enucleation at 29 Chinese treatment centers between 2006 and 2015. Excluded were patients with less than one year follow-up, bilateral retinoblastoma, clinical evidence of extraocular disease at diagnosis, or prior focal or systemic therapy. The 5-year overall survival was 95.5%, and 5-year disease-specific survival (DSS) was 95.7%. Survival was better when enucleation was <26 days from diagnosis than delayed >26 days (96.1% vs. 86.9%; p = 0.017). Patients with eyes presenting with raised intraocular pressure with neovascularization and/or buphthalmos (cT3c) had worse 5-year DSS (87.1%) than those without (cT2b, 99.1%; cT3b, 98.7%; cT3d, 97.2%) (p < 0.05). The 5-year DSS based on pathological staging was pT1 (99.5%), pT2a (95.5%), pT3a (100%), pT3b (93.0%), pT3c/d (92.3%), and pT4 (40.9%). Patients with pT3 pathology who received six cycles of adjuvant chemotherapy had better 5-year DSS (97.7%) than those with no chemotherapy (88.1%; p = 0.06) and those who underwent 1–3 cycles (86.9%, p = 0.02) or 4–5 cycles (89.3%, p = 0.06). Patients with pT4 pathology who received six cycles of chemotherapy had better 5-year DSS than those with 0–5 cycles (63.6% vs. 16.7%; p = 0.02). Prompt primary enucleation yielded high long-term survival for children with retinoblastoma. The AJCC 8th edition staging is predictive of survival.
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Affiliation(s)
- Junyang Zhao
- Department of Pediatric Oncology Center, Beijing Children’s Hospital, Capital Medical University, National Center for Children’s Health, Beijing 100045, China;
| | - Zhaoxun Feng
- Department of Ophthalmology, University of Ottawa, Ottawa, ON K1L 8L6, Canada; (Z.F.); (G.L.)
| | - Gareth Leung
- Department of Ophthalmology, University of Ottawa, Ottawa, ON K1L 8L6, Canada; (Z.F.); (G.L.)
| | - Brenda L. Gallie
- Department of Ophthalmology and Vision Science, Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
- Krembil Research Institute, University Health Network, Toronto, ON M5T 2S8, Canada
- Techna Institutes, University Health Network, Toronto, ON M5T 2S8, Canada
- Departments of Ophthalmology and Vision Science, Molecular Genetics, and Medical Biophysics, University of Toronto, Toronto, ON M5T 3A9, Canada
- Correspondence: ; Tel.: +1-41-6294-9729
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Abstract
Retinoblastoma in children and uveal melanoma in adults can pose a serious threat to both vision and life. For many decades, enucleation was often the only option to treat these intraocular malignancies. For retinoblastoma, intra-arterial chemotherapy is often utilized as the primary treatment at advanced academic centers and has dramatically improved local tumor control and eye salvage rates. For uveal melanoma, both plaque brachytherapy and proton beam irradiation have served as widely utilized therapies with a local failure rate of approximately 1–10%, depending on the series. Major recent advancements have allowed for a better understanding of the genomics of uveal melanoma and the impact of certain mutations on metastatic susceptibility. Gene expression profile stratifies uveal melanomas into two classes: low-risk (class 1) and high-risk (class 2). A loss-of-function mutation of BAP1 is associated with a class 2 gene expression profile and therefore confers worse prognosis due to elevated risk of metastasis. On the other hand, gain-of-function mutations of EIF1AX and SF3B1 correspond to a gene expression profile of class 1A and class 1B and confer a better prognosis. Preferentially expressed antigen in melanoma (PRAME) is an antigen that increases metastatic susceptibility when expressed in uveal melanoma cells. In addition to plaque brachytherapy and proton beam irradiation, both of which have demonstrated superb clinical outcomes, scientists are actively investigating newer therapeutic modalities as either primary therapy or adjuvant treatment, including a novel nanoparticle therapy and immunotherapy.
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Affiliation(s)
- Amy C Schefler
- Retina Consultants of Texas, Houston, Texas, USA
- Blanton Eye Institute, Houston, Texas, USA
| | - Ryan S Kim
- Retina Consultants of Texas, Houston, Texas, USA
- McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas, USA
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8
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Effect of Intravenous Chemotherapy Regimen on Globe Salvage Success Rates for Retinoblastoma Based on Disease Class-A Meta-Analysis. Cancers (Basel) 2021; 13:cancers13092216. [PMID: 34066325 PMCID: PMC8125212 DOI: 10.3390/cancers13092216] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/17/2021] [Accepted: 04/27/2021] [Indexed: 02/08/2023] Open
Abstract
Simple Summary Intravenous chemoreduction (IVCRD) has been the standard of care for treatment of retinoblastoma (RB). Since survival rates exceed 95–98%, the goals of treatment have now shifted to emphasize eye salvage and vision preservation in addition to patient survival. Consequently, there has been a shift towards combining standard IVCRD with intravitreal chemotherapy or altogether replacing IVCRD with intra-arterial chemotherapy. As more data from intravitreal chemotherapy and intra-arterial chemotherapy are being published, there are claims of improved globe salvage rates resulting in more widespread use of these newer treatment modalities. However, there are no published randomized controlled trials comparing these to IVCRD head-to-head. To evaluate the relative efficacy of these new therapies, it is critical to determine the true success rates of IVCRD regimens alone. Therefore, it is both timely and essential to determine the baseline IVCRD success rates so that an evidence-based assessment of new and emerging therapies can be determined. Abstract To evaluate the relative efficacy of novel retinoblastoma treatments, eye classification-specific success rates for current standard-of-care intravenous chemotherapy regimens must be known. This meta-analysis included studies if: (1) patients received intravenous chemotherapy for retinoblastoma, (2) globe salvage data was reported, (3) only intravenous chemoreduction (with/without local consolidation) was used. The outcome measure was globe salvage success without need for salvage radiotherapy, subdivided by disease classification and chemotherapy regimen. Data from 27 studies (1483 eyes) were pooled. By Reese–Ellsworth classification, globe salvage rates were 85% (95%CI:73–92%) for Group I, 78% (95%CI:70–85%) for Group II, 68% (95%CI:56–78%) for Group III, 47% (95%CI:34–60%) for Group IV, and 35% (95%CI:26–45%) for Group V (Va: 35% [95%CI:21–54%]; Vb: 42% [95%CI:29–56%]; those without sub-classification: 31% [95%CI:19–47%]). By International Classification, globe salvage rates were 93% (95%CI:80–97%) for Group A, 83% (95%CI:73–89%) for Group B, 73% (95%CI:54–86%) for Group C, 40% (95%CI:31–51%) for Group D, and 19% (95%CI:5–50%) for Group E. Standard carboplatin-etoposide-vincristine out-performed two-drug regimens (odds ratio (OR) = 1.9 (95%CI:1.3–3.0) for Groups I-IV and OR = 2.1 (95%CI:1.3–3.4) for Group V; p = 0.002 for each). For eyes with diffuse vitreous seeds (Vb), an enhanced regimen out-performed standard chemotherapy (OR = 2.4 [95%CI:1.3–4.7]; p = 0.004). In conclusion, two-drug regimens were less effective for all eyes, whereas enhanced regimens were more effective for eyes with vitreous seeds. Novel therapies can now be compared to these baseline globe salvage rates.
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Amin S, AlJboor M, Toro MD, Rejdak R, Nowomiejska K, Nazzal R, Mohammad M, Al-Hussaini M, Khzouz J, Banat S, AlJabari R, Jaradat I, Mehyar M, Sultan I, AlNawaiseh I, Yousef YA. Management and Outcomes of Unilateral Group D Tumors in Retinoblastoma. Clin Ophthalmol 2021; 15:65-72. [PMID: 33447011 PMCID: PMC7802086 DOI: 10.2147/opth.s282741] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 10/30/2020] [Indexed: 12/30/2022] Open
Abstract
Purpose Retinoblastoma presents most commonly as advanced unilateral disease, particularly in developing countries for which primary enucleation has been the preferred method of treatment. However, with the evolution of newer treatment modalities including intravitreal chemotherapy, intra-arterial chemotherapy and newer chemotherapeutic combinations, a trend towards more conservative approaches is being observed. Our aim is to evaluate outcomes of group D eyes following conservative and non-conservative treatment options. Patients and Methods The ocular oncology database was used to identify eyes with unilateral retinoblastoma that fulfilled the International Intraocular Retinoblastoma Classification (IIRC) group D criteria from August 2010 to August 2018 and these were retrospectively reviewed. Overall, 39 eyes were identified. Results Nineteen (49%) eyes underwent primary enucleation and 20 (51%) received eye-conserving treatment. Eye salvage was possible in 15 (75%) eyes in the attempted salvage group. None of the patient revealed signs of metastasis. All eyes received conventional chemotherapy (carboplatin, vincristine, etoposide) and focal laser therapy. Additional treatment modalities offered included intravitreal chemotherapy, intra-arterial chemotherapy and topotecan. Three (11%) eyes in the primary enucleation group showed high-risk features on histopathology and none developed metastasis. Conclusion The results of the study seem promising and conservative measures can be adopted in selected unilateral group D eyes.
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Affiliation(s)
- Saima Amin
- Department of Surgery (Ophthalmology), King Hussein Cancer Centre (KHCC), Amman, Jordan
| | - Mays AlJboor
- Department of Surgery (Ophthalmology), King Hussein Cancer Centre (KHCC), Amman, Jordan
| | - Mario D Toro
- Department of General Ophthalmology and Pediatric Ophthalmology Service, Medical University of Lublin, Lublin, Poland.,Faculty of Medical Sciences, Collegium Medicum Cardinal Stefan Wyszyński University, Warsaw, Poland
| | - Robert Rejdak
- Department of General Ophthalmology and Pediatric Ophthalmology Service, Medical University of Lublin, Lublin, Poland
| | - Katarzyna Nowomiejska
- Department of General Ophthalmology and Pediatric Ophthalmology Service, Medical University of Lublin, Lublin, Poland
| | | | - Mona Mohammad
- Department of Surgery (Ophthalmology), King Hussein Cancer Centre (KHCC), Amman, Jordan
| | - Maysa Al-Hussaini
- Department of Pathology, King Hussein Cancer Centre (KHCC), Amman, Jordan
| | - Jakub Khzouz
- Department of Pathology, King Hussein Cancer Centre (KHCC), Amman, Jordan
| | - Sara Banat
- Department of Surgery (Ophthalmology), King Hussein Cancer Centre (KHCC), Amman, Jordan
| | - Reem AlJabari
- Department of Surgery (Ophthalmology), King Hussein Cancer Centre (KHCC), Amman, Jordan
| | - Imad Jaradat
- Department of Radiation Oncology, King Hussein Cancer Centre (KHCC), Amman, Jordan
| | - Mustafa Mehyar
- Department of Surgery (Ophthalmology), King Hussein Cancer Centre (KHCC), Amman, Jordan
| | - Iyad Sultan
- Department of Pediatric Oncology, King Hussein Cancer Centre (KHCC), Amman, Jordan
| | - Ibrahim AlNawaiseh
- Department of Surgery (Ophthalmology), King Hussein Cancer Centre (KHCC), Amman, Jordan
| | - Yacoub A Yousef
- Department of Surgery (Ophthalmology), King Hussein Cancer Centre (KHCC), Amman, Jordan
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Ancona-Lezama D, Dalvin LA, Shields CL. Modern treatment of retinoblastoma: A 2020 review. Indian J Ophthalmol 2020; 68:2356-2365. [PMID: 33120616 PMCID: PMC7774148 DOI: 10.4103/ijo.ijo_721_20] [Citation(s) in RCA: 91] [Impact Index Per Article: 22.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 05/23/2020] [Accepted: 07/07/2020] [Indexed: 12/23/2022] Open
Abstract
Retinoblastoma management remains complex, requiring individualized treatment based on International Classification of Retinoblastoma (ICRB) staging, germline mutation status, family psychosocial factors and cultural beliefs, and available institutional resources. For this 2020 retinoblastoma review, PubMed was searched for articles dated as early as 1931, with an emphasis on articles from 1990 to the present day, using keywords of retinoblastoma, chemotherapy, intravenous chemotherapy, chemoreduction, intra-arterial chemotherapy, ophthalmic artery chemosurgery, intravitreal chemotherapy, intracameral chemotherapy, cryotherapy, transpupillary thermotherapy, laser, radiation, external beam radiotherapy, plaque radiotherapy, brachytherapy, and enucleation. We discuss current treatment modalities as used in the year 2020, including intravenous chemotherapy (IVC), intra-arterial chemotherapy (IAC), intravitreal chemotherapy (IvitC), intracameral chemotherapy (IcamC), consolidation therapies (cryotherapy and transpupillary thermotherapy [TTT]), radiation-based therapies (external beam radiotherapy [EBRT] and plaque radiotherapy), and enucleation. Additionally, we present a consensus treatment algorithm based on the agreement of three North American retinoblastoma treatment centers, and encourage further collaboration amongst the world's most expert retinoblastoma treatment centers in order to develop consensus management plans and continue advancement in the identification and treatment of this childhood cancer.
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Affiliation(s)
- David Ancona-Lezama
- Ocular Oncology Service, Institute of Ophthalmology and Visual Sciences, Tecnologico de Monterrey, Mexico
| | - Lauren A Dalvin
- Department of Ophthalmology, Mayo Clinic, Rochester, MN, USA
| | - Carol L Shields
- Ocular Oncology Service Wills Eye Hospital, Philadelphia, PA, USA
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11
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Oatess TL, Chen PH, Daniels AB, Himmel LE. Severe Periocular Edema after Intraarterial Carboplatin Chemotherapy for Retinoblastoma in a Rabbit ( Oryctolagus cuniculus) Model. Comp Med 2020; 70:176-182. [PMID: 32160941 DOI: 10.30802/aalas-cm-18-000146] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Endovascular microcatheter-based intraarterial (ophthalmic artery) chemotherapy is becoming widely used for the clinical treatment of intraocular retinoblastoma due to its apparent increased efficacy compared with traditional intravenous chemotherapy; however local ocular complications are not uncommon. Carboplatin is a chemotherapeutic agent used in both intravenous and intraarterial chemotherapy. We used rabbits to assess pharmacokinetics and ocular and systemic toxicity after intraarterial carboplatin infusion. Subsequent to unilateral intraarterial administration of carboplatin, severe unilateral or bilateral periocular edema occurred in 6 adult male New Zealand white rabbits. Time to onset varied from less than 4 h after administration (n = 3, 50 mg) to approximately 24 h afterward (n = 3, 25 mg). After becoming symptomatic, 5 of the 6 animals were promptly euthanized, and the remaining animal (25 mg treatment) was medically managed for 4 d before being euthanized due to intractable edema-related lagophthalmos. Globes and orbits from all 6 euthanized rabbits were harvested en bloc; whole-mount sections were prepared for histologic evaluation, which revealed drug-induced vasogenic edema in confined spaces as the main underlying pathogenesis. Transient and self-limiting periocular edema is a common side effect of intraarterial chemotherapy but is thought to occur predominantly with melphalan monotherapy or combination therapy using melphalan, carboplatin, and topotecan. The severity of this adverse consequence in rabbits was unexpected, and its use in the study was subsequently discontinued. Although the definitive cause for this vasotoxicity and striking clinical presentation is unknown, we suspect species-specific anatomic features and sensitivity might have contributed to amplified complications after intraarterial carboplatin chemotherapy of the eye. Due to the adverse effects of intraarterial carboplatin chemotherapy that we observed in 2 experimental cohorts of rabbits, we recommend caution regarding its use in this species.
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Affiliation(s)
- Tai L Oatess
- Department of Pathology, Microbiology, and Immunology, Division of Comparative Medicine, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Patty H Chen
- United States Army Laboratory Animal Medicine Residency Program, Animal Care and Use Review Office, Office of Research Protections, Medical Research and Development Command, Fort Detrick, Maryland
| | - Anthony B Daniels
- Department of Ophthalmology and Visual Sciences, Vanderbilt University Medical Center, Nashville, Tennessee
| | - Lauren E Himmel
- Department of Pathology, Microbiology, and Immunology, Division of Comparative Medicine, Vanderbilt University Medical Center, Nashville, Tennessee;,
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12
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Kim JW, Shah SN, Green S, O’Fee J, Tamrazi B, Berry JL. Tumour size criteria for Group D and E eyes in the International Classification System for Retinoblastoma: effects on rates of globe salvage and high-risk histopathologic features. Acta Ophthalmol 2020; 98:e121-e125. [PMID: 31421017 PMCID: PMC7448756 DOI: 10.1111/aos.14222] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2019] [Accepted: 07/23/2019] [Indexed: 01/14/2023]
Abstract
PURPOSE To determine the significance of large tumour size as a criteria for classifying advanced intraocular retinoblastoma, analysing rates of globe survival and high-risk (HE) histopathologic features. METHODS Retrospective chart review of 212 eyes diagnosed with Group D (111 eyes) or Group E (101 eyes) retinoblastoma in at least one eye from January 1, 2006 to December 31, 2016 using the Los Angeles (LA) Classification System (no tumour size criteria for Group E). The 111 Group D tumours were then reclassified to Group E using 10, 12, 14, 16, 18 mm tumour size criteria, as determined by ultrasound or magnetic resonance imaging dimensions. RESULTS For eyes in the original LA classification, 66.7% of Group D and 10.5% of Group E eyes undergoing globe preservation therapy avoided enucleation or radiotherapy (p < 0.0001; median follow-up of 33.0 months). In the LA classification, 8.5% of Group D and 26.3% of Group E enucleated globes had HE histopathologic features (p = 0.0065). When Group D eyes with tumours meeting the size criteria were reclassified to Group E, 65.7-74.4% of Group D and 16.1-36.7% of Group E eyes avoided enucleation or radiotherapy. Applying the tumour size criteria, 0-10.9% of Group D and 20.7-23.8% of Group E eyes had HE histopathologic features. CONCLUSION Our retrospective analysis suggests that a large tumour size criteria for Group E retinoblastoma have no clinical basis, given that the LA classification system provided the greatest separation in globe salvage rates between Group D and E eyes. The LA classification system was also able to show a statistically significant difference in the rates of HE histopathologic features between Group D and E eyes. To avoid discrepancies in the literature, we recommend that centres use one uniform system for classifying advanced intraocular retinoblastoma.
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Affiliation(s)
- Jonathan W. Kim
- The Vision Center at Children’s Hospital Los Angeles, Los Angeles, California, USA,USC Roski Eye Institute, University of Southern California, Los Angeles, California, USA
| | - Sona N. Shah
- USC Roski Eye Institute, University of Southern California, Los Angeles, California, USA
| | - Sarah Green
- Department of Hematology and Oncology, Children’s Hospital Los Angeles, Los Angeles, California, USA
| | - John O’Fee
- USC Roski Eye Institute, University of Southern California, Los Angeles, California, USA
| | - Benita Tamrazi
- Department of Radiology, Children’s Hospital Los Angeles, Los Angeles, California, USA
| | - Jesse L. Berry
- The Vision Center at Children’s Hospital Los Angeles, Los Angeles, California, USA,USC Roski Eye Institute, University of Southern California, Los Angeles, California, USA
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13
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Lu JE, Francis JH, Dunkel IJ, Shields CL, Yu MD, Berry JL, Kogachi K, Skalet AH, Miller AK, Santapuram PR, Daniels AB, Abramson DH. Metastases and death rates after primary enucleation of unilateral retinoblastoma in the USA 2007-2017. Br J Ophthalmol 2018; 103:1272-1277. [PMID: 30361279 DOI: 10.1136/bjophthalmol-2018-312915] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 10/07/2018] [Accepted: 10/11/2018] [Indexed: 11/03/2022]
Abstract
BACKGROUND/AIMS Enucleation for retinoblastoma is performed less often in the past decade due to increasingly widespread alternative therapies, but enucleation remains an important option. There is a paucity of reports on the current incidence of metastases and metastatic deaths in unilateral retinoblastoma from US centres. METHODS Retrospective chart review at five tertiary retinoblastoma centres in the USA for unilateral retinoblastoma patients treated with primary enucleation, 2007-2017, with >1 year of follow-up or treatment failure. RESULTS Among 228 patients (228 eyes), there were nine metastases (3.9%) and four deaths (1.7%). The Kaplan-Meier estimate at 5 years for metastasis-free survival was 96% (95% CI, 94% to 99 %), and for overall survival was 98% (95% CI 96% to 100%). All metastases were evident within 12 months. Histopathology revealed higher risk pathology (postlaminar optic nerve and/or massive choroidal invasion) in 62 of 228 eyes (27%). Of these higher risk eyes, 39 received adjuvant chemotherapy. There were four subsequent metastases in this higher risk pathology with adjuvant chemotherapy group, with three deaths. Of the nine overall with metastases, seven (78%) showed higher risk pathology. All metastatic patients were classified as Reese-Ellsworth V and International Classification of Retinoblastoma Groups D or E. Initial metastases presented as orbital invasion in seven of nine cases. CONCLUSIONS Primary enucleation for unilateral retinoblastoma results in a low rate of metastatic death, but is still associated with a 3.9% chance of metastases within a year of enucleation. Most but not all patients who developed metastases had higher risk histopathological findings.
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Affiliation(s)
- Jonathan E Lu
- Ophthalmic Oncology Service, Memorial Sloan Kettering Cancer Center, New York City, New York, USA
| | - Jasmine H Francis
- Ophthalmic Oncology Service, Memorial Sloan Kettering Cancer Center, New York City, New York, USA.,Department of Ophthalmology, Weill Cornell Medical College, New York City, New York, USA
| | - Ira J Dunkel
- Department of Pediatrics, Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College, New York City, New York, USA
| | - Carol L Shields
- Ocular Oncology Service, Wills Eye Hospital, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Michael D Yu
- Ocular Oncology Service, Wills Eye Hospital, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Jesse L Berry
- Children's Hospital Los Angeles & the USC Roski Eye Institute, Keck Medical School of the University of Southern California, Los Angeles, California, USA
| | - Kaitlin Kogachi
- Children's Hospital Los Angeles & the USC Roski Eye Institute, Keck Medical School of the University of Southern California, Los Angeles, California, USA
| | - Alison H Skalet
- Casey Eye Institute, Oregon Health & Science University, Portland, Oregon, USA.,Department of Radiation Medicine, Oregon Health & Science University, Portland, Oregon, USA
| | - Audra K Miller
- Casey Eye Institute, Oregon Health & Science University, Portland, Oregon, USA.,Department of Radiation Medicine, Oregon Health & Science University, Portland, Oregon, USA
| | - Pranav R Santapuram
- Department of Ophthalmology and Visual Sciences, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - Anthony B Daniels
- Department of Ophthalmology and Visual Sciences, Vanderbilt University Medical Center, Nashville, Tennessee, USA
| | - David H Abramson
- Ophthalmic Oncology Service, Memorial Sloan Kettering Cancer Center, New York City, New York, USA .,Department of Ophthalmology, Weill Cornell Medical College, New York City, New York, USA
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Ding J, Lu X. Expression of miR-204 in pediatric retinoblastoma and its effects on proliferation and apoptosis of cancer cells. Oncol Lett 2018; 16:7152-7157. [PMID: 30546451 PMCID: PMC6256316 DOI: 10.3892/ol.2018.9519] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Accepted: 09/11/2018] [Indexed: 12/20/2022] Open
Abstract
Expression, clinical significance and molecular mechanism of miR-204 in human retinoblastoma (RB) and para-carcinoma tissues were investigated. A total of 110 cases of RB tissues preserved after ophthalmectomy in the First Affiliated Hospital of Hunan Normal University (People's Hospital of Hunan Province) from April 2013 to June 2017 were collected along with 100 cases of para-carcinoma normal tissues. The expression of miR-204 in RB tissues was detected via reverse transcription-quantitative polymerase chain reaction (RT-qPCR), and its associations with clinicopathological features were analyzed. Y79 cells were transfected with miR-204 mimics. A total of 80 pmol/l miR-204 mimics and 10 µl Lipofectamine 2000 were added into the experimental group. Cell proliferation was detected via methyl thiazolyl tetrazolium (MTT) assay at 24, 48, 72 and 96 h, apoptosis was detected via flow cytometry at 48 h after transfection, and the relative expression levels of B-cell lymphoma 2 (Bcl-2) messenger RNA (mRNA) and Sirt1 mRNA were detected via RT-qPCR. The results of MTT assay revealed that the measured value of the optical density (OD) in the experimental group at 48 h was obviously lower than that in the negative control group (p<0.001). The proportion of apoptotic cells in the experimental group was remarkably higher than that in the negative control group (p<0.001). Compared with those in the negative control group, the relative expression levels of Bcl-2 and Sirt1 mRNAs in the experimental group were significantly decreased (p<0.001). miR-204 may be involved in the occurrence and development of RB, which is significantly associated with clinical tissue differentiation, neural infiltration and lymph node metastasis in patients. miR-204 may inhibit proliferation and promote apoptosis of RB cells through downregulating the expression of Bcl-2 and Sirt1 in RB. Therefore, miR-204 may become a new biological index for early diagnosis, prognosis evaluation and biotherapy of RB.
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Affiliation(s)
- Jian Ding
- Medical Administration Division, The First Affiliated Hospital of Hunan Normal University (People's Hospital of Hunan Province), Changsha, Hunan 410005, P.R. China
| | - Xiaoyun Lu
- Department of Oncology, The First Affiliated Hospital of Hunan Normal University (People's Hospital of Hunan Province), Changsha, Hunan 410005, P.R. China
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15
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Francis JH, Levin AM, Zabor EC, Gobin YP, Abramson DH. Ten-year experience with ophthalmic artery chemosurgery: Ocular and recurrence-free survival. PLoS One 2018; 13:e0197081. [PMID: 29791475 PMCID: PMC5965845 DOI: 10.1371/journal.pone.0197081] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 04/25/2018] [Indexed: 12/16/2022] Open
Abstract
PURPOSE To report associations between disease- and treatment-related variables and rates of recurrence-free survival and ocular survival in eyes treated with ophthalmic artery chemosurgery (OAC) for retinoblastoma. DESIGN Pre-post study. SUBJECTS All eyes treated with OAC for retinoblastoma at Memorial Sloan Kettering Cancer Center between May 2006 and February 2017. METHODS This retrospective review included 452 retinoblastoma eyes treated with OAC. The Kaplan-Meier method was used to estimate recurrence-free survival (RFS), progression-free survival (PFS) and ocular survival (OcS), and Cox regression was used to estimate hazard ratios. Eyes treated in the pre-intravitreous chemotherapy era were analyzed separately from eyes treated in the intravitreal era. MAIN OUTCOME MEASURES Recurrence-free survival, ocular survival, associations with risk of recurrence. RESULTS Disease and treatment characteristics were recorded over a median 23.6 month follow-up. One-year OcS, PFS and RFS were 96% (95% CI 93-99%), 88% (95% CI 88-94%) and 74% (95% CI 67-81%) in the pre-intravitreal era and 96% (95% CI 94-99%), 93% (95% CI 89-96%) and 78% (95% CI 72-83%) in the intravitreal era, respectively. Presence of vitreous seeds was associated with increased risk of recurrence in the pre-intravitreal era but not in the intravitreal era. Longer time interval between OAC sessions was associated with increased risk of recurrence and majority OAC access via the ophthalmic artery was associated with decreased risk of recurrence in both eras. CONCLUSIONS Approximately a quarter of eyes initially treated with ophthalmic artery chemosurgery develop recurrent disease, with the majority of recurrences within the first year following completion of OAC. Despite this, these eyes have a very good chance of salvage. In eyes with vitreous seeds at presentation, intravitreal injections are useful in minimizing future vitreous recurrence. Eyes that receive the majority of drug infusions via non-ophthalmic artery routes or greater interval between OAC are more likely to recur and might warrant closer monitoring.
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Affiliation(s)
- Jasmine H. Francis
- Memorial Sloan-Kettering Cancer Center, New York, New York, United States of America
- Weill Cornell Medical Center, New York, New York, United States of America
- * E-mail:
| | - Ariana M. Levin
- Weill Cornell Medical Center, New York, New York, United States of America
| | - Emily C. Zabor
- Memorial Sloan-Kettering Cancer Center, New York, New York, United States of America
| | - Y. Pierre Gobin
- Weill Cornell Medical Center, New York, New York, United States of America
| | - David H. Abramson
- Memorial Sloan-Kettering Cancer Center, New York, New York, United States of America
- Weill Cornell Medical Center, New York, New York, United States of America
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16
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Abramson DH, Catalanotti F, Brodie SE, Kellick MG, Francis JH. Intravitreal chemotherapy and laser for newly visible subretinal seeds in retinoblastoma. Ophthalmic Genet 2018. [PMID: 29513055 DOI: 10.1080/13816810.2018.1443343] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
BACKGROUND There has been no effective method for treating newly visible ("new") subretinal seeding in retinoblastoma except enucleation. The objective of this report is to determine whether intravitreal chemotherapy combined with 810 nm indirect laser can successfully treat retinoblastoma eyes with "new" subretinal seeding which appeared after intra-arterial chemotherapy (ophthalmic arterial chemosurgery: OAC). MATERIAL AND METHODS Single center retrospective study from a tertiary cancer hospital of a case series of 14 eyes treated with combined intravitreal chemotherapy and laser from 2012 to 2017. Ocular salvage, patient survival, recurrence-free ocular survival, metastases, and extraocular extension were assessed. RESULTS A total of 14 eyes in 13 unilateral or bilateral retinoblastoma patients with "new" subretinal seeding after initial eye salvage therapy were treated with combined intravitreal injection of melphalan (30 ug) or melphalan (30 ug) and topotecan (20 ug) and with 810 nm indirect continuous wave laser. All eyes were salvaged. Only two eyes (14%) recurred again for subretinal seeds after 6 and 8 months, respectively, and required additional cycles of intravitreal injections and laser. Combined intravitreal injection of melphalan or melphalan plus topotecan with 810 nm indirect continuous wave laser was not associated with any metastatic events, patient deaths, extraocular extension, or need for enucleation. CONCLUSION There has been no effective treatment for "new" subretinal seeding after OAC except enucleation or second course OAC. Combined intravitreal chemotherapy with 810 nm indirect laser may be an effective and safe alternative to enucleation.
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Affiliation(s)
- David H Abramson
- a Department of Surgery , Memorial Sloan Kettering Cancer Center , New York , NY , USA.,b Department of Ophthalmology , Weill-Cornell Medical Center , New York , NY , USA
| | - Federica Catalanotti
- a Department of Surgery , Memorial Sloan Kettering Cancer Center , New York , NY , USA
| | - Scott E Brodie
- a Department of Surgery , Memorial Sloan Kettering Cancer Center , New York , NY , USA.,c Department of Ophthalmology , Mt. Sinai School of Medicine , New York , NY , USA
| | - Michael G Kellick
- d Department of Pharmacy , Memorial Sloan Kettering Cancer Center , New York , NY , USA
| | - Jasmine H Francis
- a Department of Surgery , Memorial Sloan Kettering Cancer Center , New York , NY , USA.,b Department of Ophthalmology , Weill-Cornell Medical Center , New York , NY , USA
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Classification and staging of retinoblastoma. COMMUNITY EYE HEALTH 2018; 31:11-13. [PMID: 29915461 PMCID: PMC5998397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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