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Sclerotherapy of peripheral low-flow vascular malformations: technical aspects and mid-term clinical outcome.
La Radiologia Medica 2018 June
PURPOSE: The therapeutical management of low-flow vascular malformations (LFVMs) is challenging because of high recurrence rate; multiple strategies have been proposed. This paper aims to report a single-center experience of direct puncture sclerotherapy of peripheral LFVMs, focusing on technical aspects and clinical outcome in mid-term follow-up.
MATERIALS AND METHODS: 16 patients have been treated for peripheral LFVMs (mean age 36.1 years), complaining mild pain, swelling of the region of interest, and cosmetic nuisance. Preprocedural US and MR were acquired; angiography performed only in doubt vascular supply. Standard procedure consisted of direct puncture of the nidus using 20-23 gauge needles under US guidance and injection of up to 15 ml foam of sodium tetradecyl sulphate under fluoroscopic guidance. Clinical and radiological follow-up were assessed at 1, 3, and 6 months.
RESULTS: Lesions were localized: 8 in the upper and 5 the in lower limbs, 2 in the cheeks, and 1 in the vaginal labia. All procedures have been technically accomplished (100%). At 6 month follow-up, technical and clinical success were obtained in all cases, while radiological follow-up showed 81.2% (13 patients) complete vessels thrombosis after multiple sclerotherapy sessions. No major complications have been recorded; five patients (31.2%) referred minor complications.
CONCLUSIONS: Sclerotherapy via direct puncture of LFVMs is a clinically effective procedure, well tolerated by patients, with reduced costs and mild minor complications rate; interventionalists should always clarify to the patients that multiple sessions would be performed and recurrences are expected at imaging follow-up despite clinical improvement.
MATERIALS AND METHODS: 16 patients have been treated for peripheral LFVMs (mean age 36.1 years), complaining mild pain, swelling of the region of interest, and cosmetic nuisance. Preprocedural US and MR were acquired; angiography performed only in doubt vascular supply. Standard procedure consisted of direct puncture of the nidus using 20-23 gauge needles under US guidance and injection of up to 15 ml foam of sodium tetradecyl sulphate under fluoroscopic guidance. Clinical and radiological follow-up were assessed at 1, 3, and 6 months.
RESULTS: Lesions were localized: 8 in the upper and 5 the in lower limbs, 2 in the cheeks, and 1 in the vaginal labia. All procedures have been technically accomplished (100%). At 6 month follow-up, technical and clinical success were obtained in all cases, while radiological follow-up showed 81.2% (13 patients) complete vessels thrombosis after multiple sclerotherapy sessions. No major complications have been recorded; five patients (31.2%) referred minor complications.
CONCLUSIONS: Sclerotherapy via direct puncture of LFVMs is a clinically effective procedure, well tolerated by patients, with reduced costs and mild minor complications rate; interventionalists should always clarify to the patients that multiple sessions would be performed and recurrences are expected at imaging follow-up despite clinical improvement.
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