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Tabotta F, Gnesin S, Dunet V, Ponti A, Digklia A, Boughdad S, Schaefer N, Prior JO, Villard N, Tsoumakidou G, Denys A, Duran R. 99mTc-macroaggregated albumin SPECT/CT predictive dosimetry and dose-response relationship in uveal melanoma liver metastases treated with first-line selective internal radiation therapy. Sci Rep 2023; 13:13118. [PMID: 37573346 PMCID: PMC10423257 DOI: 10.1038/s41598-023-39994-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 08/03/2023] [Indexed: 08/14/2023] Open
Abstract
First-line selective internal radiation therapy (SIRT) showed promising outcomes in patients with uveal melanoma liver metastases (UMLM). Patient survival depends on liver's disease control. SIRT planning is essential and little is known about dosimetry. We investigated whether 99mTc-MAA-SPECT/CT dosimetry could predict absorbed doses (AD) evaluated on 90Y-PET/CT and assess the dose-response relationship in UMLM patients treated with first-line SIRT. This IRB-approved, single-center, retrospective analysis (prospectively collected cohort) included 12 patients (median age 63y, range 43-82). Patients underwent MRI/CT, 18F-FDG-PET/CT before and 3-6 months post-SIRT, and 90Y-PET/CT immediately post-SIRT. Thirty-two target lesions were included. AD estimates in tumor and non-tumor liver were obtained from 99mTc-MAA-SPECT/CT and post-SIRT 90Y-PET/CT, and assessed with Lin's concordance correlation coefficients (ρc and Cb), Pearson's coefficient correlation (ρ), and Bland-Altman analyses (mean difference ± standard deviation; 95% limits-of-agreement (LOA)). Influence of tumor characteristics and microsphere type on AD was analyzed. Tumor response was assessed according to size-based, enhancement-based and metabolic response criteria. Mean target lesion AD was 349 Gy (range 46-1586 Gy). Concordance between 99mTc-MAA-SPECT/CT and 90Y-PET/CT tumor dosimetry improved upon dose correction for the recovery coefficient (RC) (ρ = 0.725, ρc = 0.703, Cb = 0.969) with good agreement (mean difference: - 4.93 ± 218.3 Gy, 95%LOA: - 432.8-422.9). Without RC correction, concordance was better for resin microspheres (ρ = 0.85, ρc = 0.998, Cb = 0.849) and agreement was very good between predictive 99mTc-MAA-SPECT/CT and 90Y-PET/CT dosimetry (mean difference: - 4.05 ± 55.9 Gy; 95%LOA: - 113.7-105.6). After RC correction, 99mTc-MAA-SPECT/CT dosimetry overestimated AD (- 70.9 ± 158.9 Gy; 95%LOA: - 382.3-240.6). For glass microspheres, concordance markedly improved with RC correction (ρ = 0.790, ρc = 0.713, Cb = 0.903 vs without correction: ρ = 0.395, ρc = 0.244, Cb = 0.617) and 99mTc-MAA-SPECT/CT dosimetry underestimated AD (148.9 ± 267.5 Gy; 95%LOA: - 375.4-673.2). For non-tumor liver, concordance was good between 99mTc-MAA-SPECT/CT and 90Y-PET/CT dosimetry (ρ = 0.942, ρc = 0.852, Cb = 0.904). 99mTc-MAA-SPECT/CT slightly overestimated liver AD for resin (3.4 ± 3.4 Gy) and glass (11.5 ± 13.9 Gy) microspheres. Tumor AD was not correlated with baseline or post-SIRT lesion characteristics and no dose-response threshold could be identified. 99mTc-MAA-SPECT/CT dosimetry provides good estimates of AD to tumor and non-tumor liver in UMLM patients treated with first-line SIRT.
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Affiliation(s)
- Flavian Tabotta
- Department of Radiology and Interventional Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Silvano Gnesin
- Institute of Radiation Physics, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- Department of Nuclear Medicine and Molecular Imaging, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Vincent Dunet
- Department of Radiology and Interventional Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Alexandre Ponti
- Department of Radiology and Interventional Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Antonia Digklia
- Department of Medical Oncology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Sarah Boughdad
- Department of Nuclear Medicine and Molecular Imaging, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Niklaus Schaefer
- Department of Nuclear Medicine and Molecular Imaging, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - John O Prior
- Department of Nuclear Medicine and Molecular Imaging, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Nicolas Villard
- Department of Radiology and Interventional Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Georgia Tsoumakidou
- Department of Radiology and Interventional Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Alban Denys
- Department of Radiology and Interventional Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Rafael Duran
- Department of Radiology and Interventional Radiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.
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Zensen S, Opitz MK, Ludwig JM, Haubold J, Richly H, Siveke JT, Theysohn JM, Forsting M, Bos D, Schaarschmidt BM. Radiation Dose Aspects of Hepatic Artery Infusion Chemotherapy in Uveal Melanoma Patients with Liver Metastases. Cardiovasc Intervent Radiol 2022; 45:841-845. [PMID: 35437708 PMCID: PMC9117360 DOI: 10.1007/s00270-022-03130-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Accepted: 03/19/2022] [Indexed: 12/03/2022]
Abstract
Purpose In uveal melanoma patients, liver metastases can be treated by hepatic artery infusion chemotherapy (HAIC). During this procedure, melphalan or, less frequently, fotemustine is infused into the hepatic artery or the hepatic lobe arteries in regularly repeated interventions to achieve local tumor control. The aim of this study was to investigate the radiation exposure of HAIC. Material and methods In this retrospective study, dose data from 841 procedures in 140 patients (mean age 65.3 ± 9.9 years, 74 female) who underwent HAIC between 06/2017 and 10/2021 at one of three different angiography systems were analyzed. Results In the overall population, dose area product (DAP) (median (IQR)) was 1773 cGy·cm2 (884–3688). DAP was significantly higher in the first intervention, where a complete diagnostic workup of the vasculature was performed, than in follow-up interventions: 5765 cGy·cm2 (3160–8804) versus 1502 cGy·cm2 (807–2712) (p < 0.0001). DAP also increased significantly with the number of infusion positions (median, (IQR)): one position 1301 cGy·cm2 (633–2717), two positions 1985 cGy·cm2 (1118–4074), three positions 6407 cGy·cm2 (2616–11590) (p < 0.0001). Conclusion In uveal melanoma patients with liver metastases undergoing HAIC, radiation exposure is significantly higher both at the first intervention compared to follow-up interventions, but also with increasing number of infusion positions. Level of evidence: 3
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Affiliation(s)
- Sebastian Zensen
- Institute of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstraße 55, 45147, Essen, Germany.
| | - Marcel K Opitz
- Institute of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstraße 55, 45147, Essen, Germany
| | - Johannes M Ludwig
- Institute of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstraße 55, 45147, Essen, Germany
| | - Johannes Haubold
- Institute of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstraße 55, 45147, Essen, Germany
| | - Heike Richly
- Department of Medical Oncology, West German Cancer Center, University of Duisburg-Essen, Essen, Germany
| | - Jens T Siveke
- Bridge Institute of Experimental Tumor Therapy, West German Cancer Center, University Medicine Essen, Essen, Germany.,Division of Solid Tumor Translational Oncology, German Cancer Research Center (DKFZ) and German Cancer Consortium (DKTK), Partner Site Essen, Heidelberg, Germany
| | - Jens M Theysohn
- Institute of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstraße 55, 45147, Essen, Germany
| | - Michael Forsting
- Institute of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstraße 55, 45147, Essen, Germany
| | - Denise Bos
- Institute of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstraße 55, 45147, Essen, Germany
| | - Benedikt M Schaarschmidt
- Institute of Diagnostic and Interventional Radiology and Neuroradiology, University Hospital Essen, Hufelandstraße 55, 45147, Essen, Germany
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Safety and Efficacy of Ipilimumab plus Nivolumab and Sequential Selective Internal Radiation Therapy in Hepatic and Extrahepatic Metastatic Uveal Melanoma. Cancers (Basel) 2022; 14:cancers14051162. [PMID: 35267470 PMCID: PMC8909598 DOI: 10.3390/cancers14051162] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/21/2022] [Accepted: 02/22/2022] [Indexed: 01/27/2023] Open
Abstract
Simple Summary Despite recent progress on the treatment of metastatic uveal melanoma (mUM), prognosis remains dismal for the majority of patients. Directed liver therapies including selective internal radiation therapy (SIRT) have been the pillar of hepatic metastases management. Independently, immune checkpoint blockade by combination of ipilimumab plus nivolumab has demonstrated a median survival slightly superior to 1 year. However, the benefit of sequential ipilimumab plus nivolumab immunotherapy and SIRT has not been elucidated. Abstract To assess the safety and efficacy of ipilimumab plus nivolumab around selective internal radiation therapy (SIRT) in patients with metastatic uveal melanoma (mUM). We present a retrospective, single center study of 32 patients with mUM divided into two groups based on the treatment received between April 2013 and April 2021. The SIRT_IpiNivo cohort was treated with Yttrium-90 microspheres and ipilimumab plus nivolumab before or after the SIRT (n = 18). The SIRT cohort underwent SIRT but did not receive combined immunotherapy with ipilimumab plus nivolumab (n = 14). Twelve patients (66.7%) of the SIRT_IpiNivo arm received SIRT as first-line treatment and six patients (33.3%) received ipilimumab plus nivolumab prior to SIRT. In the SIRT group, seven patients (50.0%) received single-agent immunotherapy. One patient treated with combined immunotherapy 68 months after the SIRT was included in this group. At the start of ipilimumab plus nivolumab, 94.4% (n = 17) presented hepatic metastases and 72.2% (n = 13) had extra liver disease. Eight patients (44.4%) of the SIRT_IpiNivo group experienced grade 3 or 4 immune related adverse events, mainly colitis and hepatitis. Median overall survival from the diagnosis of metastases was 49.6 months (95% confidence interval (CI); 24.1-not available (NA)) in the SIRT_IpiNivo group compared with 13.6 months (95% CI; 11.5-NA) in the SIRT group (log-rank p-value 0.027). The presence of extra liver metastases at the time of SIRT, largest liver lesion more than 8 cm (M1c) and liver tumor volume negatively impacted the survival. This real-world cohort suggests that a sequential treatment of ipilimumab plus nivolumab and SIRT is a well-tolerated therapeutic approach with promising survival rates.
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Alexander H, Wen D, Chu M, Han C, Hadden P, Thomas R, Bartlett A. Selective internal radiation therapy for hepatic metastases of uveal melanoma: a systematic review. Br J Radiol 2022; 95:20210200. [PMID: 34757824 PMCID: PMC8722257 DOI: 10.1259/bjr.20210200] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
OBJECTIVE Uveal melanoma (UM) commonly metastasizes to the liver. Treatment usually consists of liver-directed therapies, such as selective internal radiation therapy (SIRT). This review aimed to assess the effectiveness and safety of SIRT for hepatic metastases from UM. METHODS The study protocol is available at OSF (https://osf.io/vhyct/). EMBASE and MEDLINE were searched until July 2020, using terms related to SIRT and hepatic metastases from UM. Studies reporting outcomes of SIRT in patients with UM and at least one hepatic metastasis were included. Data on overall survival (OS), hepatic progression free survival (hPFS) or tumor response were collected. The Newcastle-Ottawa Scale (NOS) was used to assess risk of bias. RESULTS 11 studies were included, reporting outcomes for 268 patients with hepatic metastases from UM. Most studies (n = 9, 81.8%) were retrospective. Disease control was achieved in 170 patients (67.5%) and the median OS from time of SIRT was 12.3 months. Median hPFS was 5.4 months. Low-grade side-effects were common but serious complications were infrequent. There were two treatment-related deaths. The median NOS score was 6 (moderate risk of bias). CONCLUSION SIRT appears to be a safe and effective treatment for patients with unresectable hepatic metastases from UM. The certainty of our results is unclear due to predominantly retrospective data with moderate risk of bias. Further prospective studies are required to explore the role of SIRT in UM. ADVANCES IN KNOWLEDGE SIRT appears to be a safe treatment for patients with unresectable hepatic metastases from UM. Further prospective work is required.
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Affiliation(s)
- Harry Alexander
- Department of Anatomy and Medical Imaging, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Daniel Wen
- Department of Surgery, Auckland District Health Board, Auckland, New Zealand
| | - Michael Chu
- Department of Surgery, Auckland District Health Board, Auckland, New Zealand
| | - Catherine Han
- Department of Pharmacology and Clinical Pharmacology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Peter Hadden
- Department of Ophthalmology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Robert Thomas
- Department of Radiology, Imperial College London, London, UK
| | - Adam Bartlett
- Department of Surgery, Auckland District Health Board, Auckland, New Zealand
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Proietti I, Skroza N, Filippi L, Bernardini N, Mambrin A, Tolino E, Rossi G, Marchesiello A, Marraffa F, Volpe S, Bagni O, Potenza C. Long-Term Maintained Response to Selective Internal Radiation Therapy in an Oligometastatic Uveal Melanoma Patient Treated with Concomitant Anti-PD-1 Therapy. Life (Basel) 2021; 11:692. [PMID: 34357064 PMCID: PMC8307638 DOI: 10.3390/life11070692] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/06/2021] [Accepted: 07/08/2021] [Indexed: 12/16/2022] Open
Abstract
Uveal melanoma (UM) is a primary neoplasm of the eye arising from the melanocytes residing in the iris, ciliary body or choroid. It is the most frequent intraocular malignancy and often determines metastases at distant sites, with a peculiar tropism for the liver. Metastatic UM has a poor prognosis, as any treatment affects the natural course of this fatal disease. Herein, we report a case of a UM metastatic to the liver in a 54 year-old female patient, initially treated with nivolumab without success. The patient was then scheduled for selective internal radiation therapy (SIRT) while continuing immunotherapy. This combination led to a complete and durable response and the patient is currently free of disease, two years after the diagnosis of the hepatic metastases. The association between SIRT and immunotherapy (IT) has very promising perspectives for metastatic UM, especially considering the disappointing or contradictory results of classic chemotherapies, IT alone and targeted therapies. Furthermore, this combination has been shown to have a good security profile. However, further studies are needed to confirm the efficacy of associating SIRT and IT and to clarify some unsolved problems, such as the timing of administration of these two therapies.
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Affiliation(s)
- Ilaria Proietti
- Dermatology Unit “Daniele Innocenzi”, “A. Fiorini” Hospital, Via Firenze, 1, 04019 Terracina, Italy; (N.S.); (N.B.); (A.M.); (E.T.); (G.R.); (A.M.); (F.M.); (S.V.); (C.P.)
| | - Nevena Skroza
- Dermatology Unit “Daniele Innocenzi”, “A. Fiorini” Hospital, Via Firenze, 1, 04019 Terracina, Italy; (N.S.); (N.B.); (A.M.); (E.T.); (G.R.); (A.M.); (F.M.); (S.V.); (C.P.)
| | - Luca Filippi
- Department of Nuclear Medicine, “Santa Maria Goretti” Hospital, Via Antonio Canova, 04100 Latina, Italy; (L.F.); (O.B.)
| | - Nicoletta Bernardini
- Dermatology Unit “Daniele Innocenzi”, “A. Fiorini” Hospital, Via Firenze, 1, 04019 Terracina, Italy; (N.S.); (N.B.); (A.M.); (E.T.); (G.R.); (A.M.); (F.M.); (S.V.); (C.P.)
| | - Alessandra Mambrin
- Dermatology Unit “Daniele Innocenzi”, “A. Fiorini” Hospital, Via Firenze, 1, 04019 Terracina, Italy; (N.S.); (N.B.); (A.M.); (E.T.); (G.R.); (A.M.); (F.M.); (S.V.); (C.P.)
| | - Ersilia Tolino
- Dermatology Unit “Daniele Innocenzi”, “A. Fiorini” Hospital, Via Firenze, 1, 04019 Terracina, Italy; (N.S.); (N.B.); (A.M.); (E.T.); (G.R.); (A.M.); (F.M.); (S.V.); (C.P.)
| | - Giovanni Rossi
- Dermatology Unit “Daniele Innocenzi”, “A. Fiorini” Hospital, Via Firenze, 1, 04019 Terracina, Italy; (N.S.); (N.B.); (A.M.); (E.T.); (G.R.); (A.M.); (F.M.); (S.V.); (C.P.)
| | - Anna Marchesiello
- Dermatology Unit “Daniele Innocenzi”, “A. Fiorini” Hospital, Via Firenze, 1, 04019 Terracina, Italy; (N.S.); (N.B.); (A.M.); (E.T.); (G.R.); (A.M.); (F.M.); (S.V.); (C.P.)
| | - Federica Marraffa
- Dermatology Unit “Daniele Innocenzi”, “A. Fiorini” Hospital, Via Firenze, 1, 04019 Terracina, Italy; (N.S.); (N.B.); (A.M.); (E.T.); (G.R.); (A.M.); (F.M.); (S.V.); (C.P.)
| | - Salvatore Volpe
- Dermatology Unit “Daniele Innocenzi”, “A. Fiorini” Hospital, Via Firenze, 1, 04019 Terracina, Italy; (N.S.); (N.B.); (A.M.); (E.T.); (G.R.); (A.M.); (F.M.); (S.V.); (C.P.)
| | - Oreste Bagni
- Department of Nuclear Medicine, “Santa Maria Goretti” Hospital, Via Antonio Canova, 04100 Latina, Italy; (L.F.); (O.B.)
| | - Concetta Potenza
- Dermatology Unit “Daniele Innocenzi”, “A. Fiorini” Hospital, Via Firenze, 1, 04019 Terracina, Italy; (N.S.); (N.B.); (A.M.); (E.T.); (G.R.); (A.M.); (F.M.); (S.V.); (C.P.)
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Rodriguez-Vidal C, Fernandez-Diaz D, Fernandez-Marta B, Lago-Baameiro N, Pardo M, Silva P, Paniagua L, Blanco-Teijeiro MJ, Piñeiro A, Bande M. Treatment of Metastatic Uveal Melanoma: Systematic Review. Cancers (Basel) 2020; 12:E2557. [PMID: 32911759 PMCID: PMC7565536 DOI: 10.3390/cancers12092557] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 09/02/2020] [Accepted: 09/04/2020] [Indexed: 12/12/2022] Open
Abstract
INTRODUCTION More than 50% of patients with uveal melanoma end up developing metastases. Currently, there is no standard first-line treatment that facilitates proper management of the metastatic disease. METHODS A systematic review of the last 40 years in PubMed with an exhaustive and strict selection of studies was conducted, in which the unit of measurement was overall survival (OS) expressed in Kaplan-Meier curves or numerically. RESULTS After the selection process, 110 articles were included. Regional therapies, such as intra-arterial liver chemotherapy (OS: 2, 9-22 months), isolated liver perfusion (OS: 9, 6-27, 4 months), or selective internal radiation therapy (OS: 18 months in monotherapy and 26 months in combination with other therapies) showed some superiority when compared to systemic therapies, such as chemotherapy (OS: 4, 6-17 months), immunotherapy (OS: 5-19, 1 month), immunosuppression (OS: 11 months), or targeted therapy (OS: 6-12 months), without being significant. CONCLUSIONS The results of this review suggest that there are no important differences in OS when comparing the different current treatment modalities. Most of the differences found seem to be explained by the heterogenicity of the different studies and the presence of biases in their design, rather than actual extensions of patient survival.
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Affiliation(s)
- Cristina Rodriguez-Vidal
- Department of Ophthalmology, University Hospital of Cruces, Cruces Plaza S/N, 48903 Barakaldo-Vizcaya, Spain;
| | - Daniel Fernandez-Diaz
- Department of Ophthalmology, University Hospital of Santiago de Compostela, Ramon Baltar S/N, 15706 Santiago de Compostela, Spain; (D.F.-D.); (B.F.-M.); (M.J.B.-T.); (A.P.)
- Tumores Intraoculares en el Adulto, Instituto de Investigación Sanitaria de Santiago (IDIS), 15706 Santiago de Compostela, Spain; (M.P.); (P.S.)
| | - Beatriz Fernandez-Marta
- Department of Ophthalmology, University Hospital of Santiago de Compostela, Ramon Baltar S/N, 15706 Santiago de Compostela, Spain; (D.F.-D.); (B.F.-M.); (M.J.B.-T.); (A.P.)
| | - Nerea Lago-Baameiro
- Grupo Obesidómica, Instituto de Investigación Sanitaria de Santiago (IDIS), 15706 Santiago de Compostela, Spain;
| | - María Pardo
- Tumores Intraoculares en el Adulto, Instituto de Investigación Sanitaria de Santiago (IDIS), 15706 Santiago de Compostela, Spain; (M.P.); (P.S.)
- Grupo Obesidómica, Instituto de Investigación Sanitaria de Santiago (IDIS), 15706 Santiago de Compostela, Spain;
| | - Paula Silva
- Tumores Intraoculares en el Adulto, Instituto de Investigación Sanitaria de Santiago (IDIS), 15706 Santiago de Compostela, Spain; (M.P.); (P.S.)
- Fundación Pública Galega de Medicina Xenómica, Clinical University Hospital, SERGAS, 15705 Santiago de Compostela, Spain
| | - Laura Paniagua
- Department of Ophthalmology, University Hospital of Coruña, Praza Parrote s/n, 15006 A Coruña, Spain;
| | - María José Blanco-Teijeiro
- Department of Ophthalmology, University Hospital of Santiago de Compostela, Ramon Baltar S/N, 15706 Santiago de Compostela, Spain; (D.F.-D.); (B.F.-M.); (M.J.B.-T.); (A.P.)
- Tumores Intraoculares en el Adulto, Instituto de Investigación Sanitaria de Santiago (IDIS), 15706 Santiago de Compostela, Spain; (M.P.); (P.S.)
| | - Antonio Piñeiro
- Department of Ophthalmology, University Hospital of Santiago de Compostela, Ramon Baltar S/N, 15706 Santiago de Compostela, Spain; (D.F.-D.); (B.F.-M.); (M.J.B.-T.); (A.P.)
- Tumores Intraoculares en el Adulto, Instituto de Investigación Sanitaria de Santiago (IDIS), 15706 Santiago de Compostela, Spain; (M.P.); (P.S.)
| | - Manuel Bande
- Department of Ophthalmology, University Hospital of Santiago de Compostela, Ramon Baltar S/N, 15706 Santiago de Compostela, Spain; (D.F.-D.); (B.F.-M.); (M.J.B.-T.); (A.P.)
- Tumores Intraoculares en el Adulto, Instituto de Investigación Sanitaria de Santiago (IDIS), 15706 Santiago de Compostela, Spain; (M.P.); (P.S.)
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Rowcroft A, Loveday BPT, Thomson BNJ, Banting S, Knowles B. Systematic review of liver directed therapy for uveal melanoma hepatic metastases. HPB (Oxford) 2020; 22:497-505. [PMID: 31791894 DOI: 10.1016/j.hpb.2019.11.002] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 10/29/2019] [Accepted: 11/04/2019] [Indexed: 12/12/2022]
Abstract
BACKGROUND Uveal melanoma (UM) is a rare malignancy with a propensity for metastasis to the liver. Systemic chemotherapy is typically ineffective in these patients with liver metastases and overall survival is poor. There are no evidence-based guidelines for management of UM liver metastases. The aim of this study was to review the evidence for management of UM liver metastases. METHODS A systematic review of English literature publications was conducted across Ovid Medline, Ovid MEDLINE and Cochrane CENTRAL databases until April 2019. The primary outcome was overall survival, with disease free survival as a secondary outcome. RESULTS 55 studies were included in the study, with 2446 patients treated overall. The majority of these studies were retrospective, with 17 of 55 including comparative data. Treatment modalities included surgery, isolated hepatic perfusion (IHP), hepatic artery infusion (HAI), transarterial chemoembolization (TACE), selective internal radiotherapy (SIRT) and Immunoembolization (IE). Survival varied greatly between treatments and between studies using the same treatments. Both surgery and liver-directed treatments were shown to have benefit in selected patients. CONCLUSION Predominantly retrospective and uncontrolled studies suggest that surgery and locoregional techniques may prolong survival. Substantial variability in patient selection and study design makes comparison of data and formulation of recommendations challenging.
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Affiliation(s)
- Alistair Rowcroft
- Department of Surgery, Royal Melbourne Hospital, Melbourne, Victoria, Australia; Department of Surgical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Benjamin P T Loveday
- Department of Surgery, Royal Melbourne Hospital, Melbourne, Victoria, Australia; Department of Surgical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia; Department of Surgery, University of Auckland, Auckland, New Zealand
| | - Benjamin N J Thomson
- Department of Surgery, Royal Melbourne Hospital, Melbourne, Victoria, Australia; Department of Surgical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia; Department of Surgery, University of Melbourne, Melbourne, Australia
| | - Simon Banting
- Department of Surgical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia
| | - Brett Knowles
- Department of Surgery, Royal Melbourne Hospital, Melbourne, Victoria, Australia; Department of Surgical Oncology, Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia.
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Levey AO, Elsayed M, Lawson DH, Ermentrout RM, Kudchadkar RR, Bercu ZL, Yushak ML, Newsome J, Kokabi N. Predictors of Overall and Progression-Free Survival in Patients with Ocular Melanoma Metastatic to the Liver Undergoing Y90 Radioembolization. Cardiovasc Intervent Radiol 2019; 43:254-263. [PMID: 31686137 DOI: 10.1007/s00270-019-02366-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 10/23/2019] [Indexed: 02/03/2023]
Abstract
PURPOSE To investigate predictors of overall survival (OS) and progression-free survival (PFS) in patients with ocular melanoma metastatic to the liver undergoing yttrium-90 (Y90) radioembolization, including the effect of concurrent immunotherapy. METHODS An IRB-approved retrospective review of 24 patients with ocular melanoma metastatic to the liver who underwent Y-90 treatment between June 2003 and January 2018 was performed. Data regarding patients' performance status at the time of Y90, intra-/extrahepatic tumor burden, and treatment response were evaluated. RECIST was used to determine objective tumor response. Kaplan-Meier analysis was used to calculate OS and PFS from the first Y90 therapy. Log-rank analysis was used to determine predictors of prolonged OS and PFS. RESULTS Median OS from primary diagnosis and diagnosis of liver metastases was 66 months (mo) and 26.3 mo, respectively. Median OS for those who received immunotherapy within 3 months of undergoing Y90 was prolonged at 26.0 mo versus 9.5 mo for others (p = 0.014). Median OS for patients with an ECOG performance status of 0 was prolonged at 26 mo versus 5.5 mo for others (p = 0.003). Median hepatic PFS was prolonged in patients treated with Y-90 on concurrent immunotherapy at 10.3 mo versus 2.7 mo for TARE only (p = 0.002). Patients with an ECOG performance status of 0 had prolonged PFS (p = 0.002). CONCLUSIONS Concurrent immunotherapy and an ECOG performance status of 0 at the time of Y90 therapy appear to be predictors of prolonged OS and PFS in patients with ocular melanoma metastatic to the liver.
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Affiliation(s)
- Alexa O Levey
- Department of Radiology and Imaging Sciences, Division of Interventional Radiology and Image Guided Medicine, Emory University School of Medicine, Atlanta, USA
| | - Mohammad Elsayed
- Department of Radiology and Imaging Sciences, Division of Interventional Radiology and Image Guided Medicine, Emory University School of Medicine, Atlanta, USA
| | - David H Lawson
- Department of Hematology and Oncology, Emory University School of Medicine, Atlanta, USA
| | - Robert M Ermentrout
- Department of Radiology and Imaging Sciences, Division of Interventional Radiology and Image Guided Medicine, Emory University School of Medicine, Atlanta, USA
| | - Ragini R Kudchadkar
- Department of Hematology and Oncology, Emory University School of Medicine, Atlanta, USA
| | - Zachary L Bercu
- Department of Radiology and Imaging Sciences, Division of Interventional Radiology and Image Guided Medicine, Emory University School of Medicine, Atlanta, USA
| | - Melinda L Yushak
- Department of Hematology and Oncology, Emory University School of Medicine, Atlanta, USA
| | - Janice Newsome
- Department of Radiology and Imaging Sciences, Division of Interventional Radiology and Image Guided Medicine, Emory University School of Medicine, Atlanta, USA
| | - Nima Kokabi
- Department of Radiology and Imaging Sciences, Division of Interventional Radiology and Image Guided Medicine, Emory University School of Medicine, Atlanta, USA.
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9
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Ponti A, Denys A, Digklia A, Schaefer N, Hocquelet A, Knebel JF, Michielin O, Dromain C, Duran R. First-Line Selective Internal Radiation Therapy in Patients with Uveal Melanoma Metastatic to the Liver. J Nucl Med 2019; 61:350-356. [DOI: 10.2967/jnumed.119.230870] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 08/05/2019] [Indexed: 01/05/2023] Open
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10
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Tulokas S, Mäenpää H, Peltola E, Kivelä T, Vihinen P, Virta A, Mäkelä S, Kallio R, Hernberg M. Selective internal radiation therapy (SIRT) as treatment for hepatic metastases of uveal melanoma: a Finnish nation-wide retrospective experience. Acta Oncol 2018; 57:1373-1380. [PMID: 29683787 DOI: 10.1080/0284186x.2018.1465587] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
BACKGROUND In Finland, selective internal radiation therapy (SIRT) is at present the preferred first-line loco-regional therapy for uveal melanoma patients with hepatic metastases not suitable for surgery. We retrospectively evaluate the outcome and safety of SIRT in this group of patients. MATERIAL AND METHODS Yttrium-90 microspheres were delivered via the hepatic artery into the circulation of metastases from uveal melanoma in 18 patients with a predicted life expectancy of more than three months in three Finnish tertiary referral centers between November 2010 and December 2015. Progression-free survival (PFS), toxicity and overall survival (OS) were evaluated. Patients with historical uveal melanoma without extrahepatic metastases, who had received systemic chemotherapy as first-line treatment for their hepatic metastases at the Helsinki University Hospital between January 2006 and May 2010, were used as a historical control group. RESULTS Partial response and stable disease were observed in three (17%) and eight (44%) patients, respectively; one patient was not evaluable for response. Median PFS after SIRT was 5.6 (range, 1.3-40.8) months. Median OS after SIRT was 13.5 (range, 3.6-44.8) months compared with 10.5 (range, 3.0-16.5; p = .047) months for the historical chemotherapy group. Among patients who received SIRT as first-line treatment, the median OS was 18.7 (range, 8.2-44.8) months, significantly longer than that of the chemotherapy group (10.5 months, p = .017). There were no treatment-related deaths. Toxicity was mainly WHO grade 1-2 and self-limited. CONCLUSION SIRT is a feasible and safe treatment for liver metastases in patients with uveal melanoma.
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Affiliation(s)
- Sanni Tulokas
- Department of Oncology, Comprehensive Cancer Centre, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Hanna Mäenpää
- Department of Oncology, Comprehensive Cancer Centre, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Erno Peltola
- Department of Radiology, HUS Medical Imaging Centre, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Tero Kivelä
- Department of Ophthalmology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Pia Vihinen
- Department of Oncology and Radiotherapy, Turku University Hospital, Turku, Finland
| | - Aku Virta
- Department of Oncology and Radiotherapy, Turku University Hospital, Turku, Finland
| | - Siru Mäkelä
- Department of Oncology, Comprehensive Cancer Centre, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Raija Kallio
- Department of Oncology and Haematology, Oulu University Hospital, Oulu, Finland
| | - Micaela Hernberg
- Department of Oncology, Comprehensive Cancer Centre, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
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11
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Aghayan DL, Kazaryan AM, Fretland ÅA, Sahakyan MA, Røsok BI, Bjørnbeth BA, Edwin B. Laparoscopic liver resection for metastatic melanoma. Surg Endosc 2017; 32:1470-1477. [PMID: 28916919 DOI: 10.1007/s00464-017-5834-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2017] [Accepted: 08/20/2017] [Indexed: 12/18/2022]
Abstract
BACKGROUND Stage IV metastatic melanoma carries a poor prognosis. In the case of melanoma liver metastasis (MLM), surgical resection may improve survival and represents a therapeutic option, with varying levels of success. Laparoscopic liver resection (LLR) for metastatic melanoma is poorly studied. The aim of this study was to analyze the outcomes of LLR in patients with MLM. MATERIALS AND METHODS Between April 2000 and August 2013, 11 (1 cutaneous, 9 ocular and 1 unknown primary) patients underwent LLR for MLM at Oslo University Hospital-Rikshospitalet and 13 procedures in total were carried out. Perioperative and oncologic outcomes were analyzed. Postoperative morbidity was classified using the Accordion classification. Kaplan-Meier method was used for survival analysis. RESULTS A total of 23 liver specimens were resected. The median operative time was 137 (65-470) min, while the median blood loss was less than 50 (<50-900) ml. No intraoperative unfavorable incidents and 30-day mortality occurred. Median follow-up was 33 (9-92) months. Ten patients (91%) developed recurrence within a median of 5 months (2-18 months) and two patients underwent repeat LLR for recurrent liver metastases. One-, three-, and five-year overall survival rates were 82, 45 and 9%, respectively. The median overall survival was 30 (9-92) months. CONCLUSION Perioperative morbidity and long-term survival after LLR for MLM seems to be comparable to open liver resection. Thus, LLR may be preferred over open liver resection due to the well-known advantages of laparoscopy, such as reduced pain and improved possibility for repeated resections.
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Affiliation(s)
- Davit L Aghayan
- The Intervention Centre, Oslo University Hospital - Rikshospitalet, Pb. 4950 Nydalen, 0424, Oslo, Norway.
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
| | - Airazat M Kazaryan
- The Intervention Centre, Oslo University Hospital - Rikshospitalet, Pb. 4950 Nydalen, 0424, Oslo, Norway
- Department of Gastrointestinal Surgery, Akershus University Hospital, Lørenskog, Norway
| | - Åsmund Avdem Fretland
- The Intervention Centre, Oslo University Hospital - Rikshospitalet, Pb. 4950 Nydalen, 0424, Oslo, Norway
- Department of Hepato-Pancreato-Biliary Surgery, Oslo University Hospital, Oslo, Norway
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Mushegh A Sahakyan
- The Intervention Centre, Oslo University Hospital - Rikshospitalet, Pb. 4950 Nydalen, 0424, Oslo, Norway
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Bård I Røsok
- Department of Hepato-Pancreato-Biliary Surgery, Oslo University Hospital, Oslo, Norway
| | - Bjørn Atle Bjørnbeth
- Department of Hepato-Pancreato-Biliary Surgery, Oslo University Hospital, Oslo, Norway
| | - Bjørn Edwin
- The Intervention Centre, Oslo University Hospital - Rikshospitalet, Pb. 4950 Nydalen, 0424, Oslo, Norway
- Department of Hepato-Pancreato-Biliary Surgery, Oslo University Hospital, Oslo, Norway
- Faculty of Medicine, Institute of Clinical Medicine, University of Oslo, Oslo, Norway
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12
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Shamimi-Noori S, Gonsalves CF, Shaw CM. Metastatic Liver Disease: Indications for Locoregional Therapy and Supporting Data. Semin Intervent Radiol 2017; 34:145-166. [PMID: 28579683 DOI: 10.1055/s-0037-1602712] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Metastatic liver disease is a major cause of cancer-related morbidity and mortality. Surgical resection is considered the only curative treatment, yet only a minority is eligible. Patients who present with unresectable disease are treated with systemic agents and/or locoregional therapies. The latter include thermal ablation and catheter-based transarterial interventions. Thermal ablation is reserved for those with limited tumor burden. It is used to downstage the disease to enable curative surgical resection, as an adjunct to surgery, or in select patients it is potentially curative. Transarterial therapies are indicated in those with more diffuse disease. The goals of care are to palliate symptoms and prolong survival. The indications and supporting data for thermal ablation and transarterial interventions are reviewed, technical and tumor factors that need to be considered prior to intervention are outlined, and finally several cases are presented.
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Affiliation(s)
- Susan Shamimi-Noori
- Division of Interventional Radiology, Department of Radiology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Carin F Gonsalves
- Division of Interventional Radiology, Department of Radiology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Colette M Shaw
- Division of Interventional Radiology, Department of Radiology, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
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13
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Vogl TJ, Koch SA, Lotz G, Gebauer B, Willinek W, Engelke C, Brüning R, Zeile M, Wacker F, Vogel A, Radeleff B, Scholtz JE. Percutaneous Isolated Hepatic Perfusion as a Treatment for Isolated Hepatic Metastases of Uveal Melanoma: Patient Outcome and Safety in a Multi-centre Study. Cardiovasc Intervent Radiol 2017; 40:864-872. [PMID: 28144756 DOI: 10.1007/s00270-017-1588-2] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Accepted: 01/25/2017] [Indexed: 12/22/2022]
Abstract
PURPOSE Percutaneous isolated hepatic perfusion (PIHP) with Melphalan has been developed as a treatment for patients with isolated hepatic metastases of uveal melanoma. We discuss patient outcome and safety in a retrospective multi-centre study. MATERIALS AND METHODS Between 2012 and 2016 18 patients with un-resectable isolated hepatic metastases of uveal melanoma received single or repeated PIHP with Melphalan (n = 35) at seven sites. Progression-free time, overall survival time (OS) and tumour response by means of RECIST 1.1 criteria were evaluated. Peri- and post-procedural adverse events (AE) were registered. Patients' life quality was assessed using four-point scale questionnaires. RESULTS Of 18 patients, initial PIHP treatment resulted in partial response (PR) in eight, stable disease (SD) in seven and progressive disease (PD) in three cases. Nine patients underwent second PIHP with PR in eight cases and PD in one case. Six patients were evaluated after third PIHP with PR in five patients and SD in one patient. Two patients received fourth PIHP with PD in both cases. Median OS was 9.6 months (range 1.6-41.0 months). Median progression-free survival time was 12.4 months (range 0.9-41.0 months) with 1-year survival of 44%. Most common post-procedural AE grade 3 and 4 were temporary leukopenia (n = 11) and thrombocytopenia (n = 8). Patients' self-assessments showed good ratings for overall health and quality of life with only slight changes after PIHP, and a high degree of satisfaction with PIHP treatment. CONCLUSION PIHP with Melphalan proved to be a relatively safe, minimal-invasive and repeatable treatment for patients with non-resectable hepatic metastases of uveal melanoma.
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Affiliation(s)
- Thomas J Vogl
- Department of Diagnostic and Interventional Radiology, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590, Frankfurt, Germany
| | - Silvia A Koch
- Department of Diagnostic and Interventional Radiology, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590, Frankfurt, Germany
| | - Gösta Lotz
- Department of Anesthesiology, Intensive-Care Medicine and Pain Therapy, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590, Frankfurt, Germany
| | - Bernhard Gebauer
- Department of Diagnostic and Interventional Radiology, Campus Charité Mitte, Universitätsmedizin Berlin, Charitéplatz 1, 10117, Berlin, Germany
| | - Winfried Willinek
- Department of Diagnostic and Interventional Radiology, Brüderkrankenhaus Trier, Nordallee 1, 54292, Trier, Germany
| | - Christoph Engelke
- Department of Diagnostic and Interventional Radiology, Evangelisches Krankenhaus Göttingen-Weende gGmbH, An der Lutter 24, 37075, Göttingen, Germany
| | - Roland Brüning
- Department of Diagnostic and Interventional Radiology, Asklepios Klinik Barmbek, Rübenkamp 220, 22291, Hamburg, Germany
| | - Martin Zeile
- Department of Diagnostic and Interventional Radiology, Asklepios Klinik Barmbek, Rübenkamp 220, 22291, Hamburg, Germany
| | - Frank Wacker
- Department of Diagnostic and Interventional Radiology, Medizinische Hochschule Hannover, Carl-Neuberg-Straße 1, 30625, Hannover, Germany
| | - Arndt Vogel
- Department of Gastroenterology, Hepatology and Endocrinology, Medizinische Hochschule Hannover, Hannover, Germany
| | - Boris Radeleff
- Department of Diagnostic and Interventional Radiology, Heidelberg University Hospital, Voßstraße 2, 69115, Heidelberg, Germany
| | - Jan-Erik Scholtz
- Department of Diagnostic and Interventional Radiology, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590, Frankfurt, Germany. .,Cardiac MR PET CT Program, Massachusetts General Hospital, Harvard Medical School, 165 Cambridge StreetSuite 400, Boston, MA, 02141, USA.
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14
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Paprottka KJ, Waggershauser T, Rübenthaler J, Paprottka FJ, Clevert DA, Reiser MF, Paprottka PM. In vitro study of physical properties of various embolization particles regarding morphology before, during and after catheter passage. Clin Hemorheol Microcirc 2016; 64:887-898. [PMID: 27802211 DOI: 10.3233/ch-168002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To evaluate various embolization particles on their physical properties with special regard on morphological variability and elasticity. METHODS 8 embolization particles (EmboCept®, Contour SE® Microspheres, Embosphere® Micorspheres 400 μm, 500 μm, 1300 μm, Embozene® Microspheres, DC Beads®, Embozene Tandem®) were evaluated and graduated from 1-6 microscopically due to morphologic changes in vitro before, during and after their catheter passage by 4 blinded reviewers. To facilitate comparison, microscopic images were provided with a scale. RESULTS All tested particles showed a homogenous shape and morphology before passage through the simulation catheter. During the passage all particles were elastically deformable, where necessary. After the catheter passage no loss of basic shape was seen. Changes in size were found in 5/8 particles. Grading of morphologic changes varied between mean value of 1.0 and 3.0. No complete destruction or loss of function was seen. CONCLUSION All tested embolization particles are, regarding their morphological properties in sense of homogenous shape and deformation after catheter passage, a safe treatment option. Tested in vitro no less of functionality regarding physical properties should be expected.
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Affiliation(s)
- Karolin J Paprottka
- Department of Clinical Radiology, Ludwig-Maximilians-University of Munich, Campus Grosshadern, Munich, Germany
| | - Tobias Waggershauser
- Department of Clinical Radiology, Ludwig-Maximilians-University of Munich, Campus Grosshadern, Munich, Germany
| | - Johannes Rübenthaler
- Department of Clinical Radiology, Ludwig-Maximilians-University of Munich, Campus Grosshadern, Munich, Germany
| | - Felix J Paprottka
- Department of Plastical Surgery, Diakonieklinikum Rotenburg, Germany
| | - Dirk A Clevert
- Department of Clinical Radiology, Ludwig-Maximilians-University of Munich, Campus Grosshadern, Munich, Germany
| | - Maximilian F Reiser
- Department of Clinical Radiology, Ludwig-Maximilians-University of Munich, Campus Grosshadern, Munich, Germany
| | - Philipp M Paprottka
- Department of Clinical Radiology, Ludwig-Maximilians-University of Munich, Campus Grosshadern, Munich, Germany
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