Transarterial Onyx Embolization of an Orbital Solitary Fibrous Tumor

Hashemi, Nafiseh; Ling, Jeanie D.; Soparkar, Charles N. S.; Sami, Mirwat; Ellezam, Benjamin; Klucznik, Richard P.; Lee, Andrew G.; Chévez-Barrios, Patricia

doi:10.1159/000370048

Cited by 12 publications

(15 citation statements)

References 7 publications

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“…Benign fibrous histiocytoma, sarcomatoid carcinoma as well as well-vascularized pathologies like vascular malformation, vascular metastasis, angiosarcoma, high-grade sarcoma or venous varix also have to be excluded [ 18 , 19 ]. The Ki-67 marker can be used to assess the proliferation rate [ 20 ].…”

Section: Discussionmentioning

confidence: 99%

“…Additionally, the resulting necrotic softening of the tumor can simplify the resection [ 26 ]. The use of spherical particles, polyvinyl alcohol (PVA) and Onyx (ethylene vinyl alcohol copolymer dissolved in dimethyl sulfoxide and micronized tantalum powder; EV3, Irvine-CA) has been described in transarterial embolization of the head and neck SFTs [ 20 , 27 ]. Just like PVA, microspheres (including Embozene that was used in our case) block the vessel inducing inflammatory reaction, angionecrosis and fibrosis.…”

Section: Discussionmentioning

confidence: 99%

“…Additionally, the same microcatheter can be used both for Onyx injections and repeated angiograms with reduced risk of blocking the microcatheter and glueing it into the vessel, as is the case with adhesives. This allows deeper Onyx penetration into the vascular bed within the tumor with higher embolization rates, lowers the risk of nontarget embolization and allows longer procedure times [ 20 , 28 ]. However, an important disadvantage of this agent is the occurence of potentially dangerous sparking and prolonged combustion with the use of monopolar electrocautery during cutting the Onyx-filled vascular bed [ 29 ].…”

Section: Discussionmentioning

confidence: 99%

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Preoperative Embolization of a Solitary Fibrous Tumor Originating from External Auditory Meatus: A Case Report with Literature Review

et al. 2021

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Solitary fibrous tumors (SFTs) are mesenchymal, fibroblastic tumors with mostly favorable, but still unpredictable prognosis. Their rarity and occurrence at a variety of locations coupled with variable histological appearance make the diagnosis a challenge. This can be resolved by histological and immunohistochemical analysis on the histologic material eventually coupled with demonstration of NAB2-STAT6 gene fusion by next generation sequencing (NGS) analysis. Tumor removal with clear surgical margins is sufficient for complete cure in most cases. Percutaneous transcatheter embolization in well-vascularized lesions may minimize the risk of bleeding during subsequent removal. In this article we present a rare case of SFT arising from the external auditory canal and treated with preoperative endovascular arterial embolization. A literature review with focus on diagnostics and treatment of this entity in the head and neck region is following.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Preoperative Embolization of a Solitary Fibrous Tumor Originating from External Auditory Meatus: A Case Report with Literature Review

et al. 2021

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“…Solitary fibrous tumors (SFTs) are uncommon mesenchymal neoplasms that occur most frequently in the pleura and occasionally in the orbit [ 1 ]. SFTs are generally considered benign; however, recurrent and malignant variation have been reported.…”

Section: Introductionmentioning

confidence: 99%

Preoperative transarterial embolization of a recurrent orbital solitary fibrous tumor with significant hypervascularity: a case report

et al. 2021

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Background Orbital solitary fibrous tumors (SFTs) are rare neoplasms. Recurrent, hypervascular, malignant variations of orbital SFTs have recently been noted and can present a surgical challenge. Case presentation We describe a case of a 53-year-old Chinese woman with a history of a resected orbital SFT. She presented with proptosis, limited eyeball movement, and visual loss in the right eye, suggestive of a recurrent SFT. Ocular examination with multimodal imaging revealed a large, nonpulsatile, noncompressible, hypervascular mass behind the eyeball. The patient underwent preoperative transarterial embolization of the main blood supply to the tumor in order to control intraoperative blood loss, followed by ocular enucleation to optimize exposure and enable complete resection of the tumor. Embolization of the right ophthalmic artery and the distal branch of the right internal maxillary artery caused an immediate, substantial reduction of vascular flow, which allowed us to enucleate the eyeball and resect the tumor with minimal blood loss and no complications. Conclusions Our case is so far the first Chinese case of successful preoperative embolization of the main blood supply to a large, recurrent, hypervascular orbital SFT. This case also described a different surgical approach to achieve total removal of an orbital SFT without osteotomy.

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“…It is a slow growing tumor with a mostly benign behavior. The gold standard treatment is surgery, however Nafiseh Hashemi et al 7 treated a SFT with embolization followed by surgery.…”

Section: Introductionmentioning

confidence: 99%

Orbital solitary fibrous tumor: A painless mass after a dacryochystorhinostomy

Araújo

Borges

Mahia³

et al. 2019

Saudi Journal of Ophthalmology

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The solitary fibrous tumor (STF) is a rare spindle cell tumor that most often occurs in the pleura, mediastinum and other serosal sites, but it can be found anywhere. The authors present a case report of a 35-year-old male who was submitted to an eventless left external dacryocystorhinostomy (DCR) due to epiphora. During the surgery no tumors or anomalous tissues were visualized. Five months later the patient presented a painless mass at the lower medial quadrant of the left orbit, near the lacrimal fossa. A computed tomography, a magnetic resonance imaging and an orbital ultrasound were performed. A round, very vascularized and highly contrast enhanced mass was found. An anterior orbitotomy was done. Histological aspects and immunohistochemical markers were consistent with STF. The tumor was not visualized during the DCR. The authors think that the growth of the tumor and the weakening of the tissues in the medial canthus after the DCR allowed the tumor to move anteriorly within the orbit.

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Transarterial Onyx Embolization of an Orbital Solitary Fibrous Tumor

Cited by 12 publications

References 7 publications

Preoperative Embolization of a Solitary Fibrous Tumor Originating from External Auditory Meatus: A Case Report with Literature Review

Preoperative Embolization of a Solitary Fibrous Tumor Originating from External Auditory Meatus: A Case Report with Literature Review

Preoperative transarterial embolization of a recurrent orbital solitary fibrous tumor with significant hypervascularity: a case report

Orbital solitary fibrous tumor: A painless mass after a dacryochystorhinostomy

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