• Subhash Kumar, Kranti Bhavana, Sanjeev Kumar, and Prem Kumar.
• Department of Radiodiagnosis, All India Institute of Medical Sciences, Patna, Bihar, India.
• J Clin Ultrasound. 2018 Jan 1; 46 (1): 23-31.

AimTo evaluate clinical and imaging outcomes after ultrasound (US)-guided 3% polidocanol (POL) foam-sclerotherapy of venous malformations (VMs).MethodsWe retrospectively evaluated consecutive VM cases over 1.5 years, with 6-month follow-up. US findings were used to classify VMs into four types depending upon extent of anechoic channels, connections to adjacent veins, and dysmorphism. Single or multiple needles were inserted depending upon lesion size, and used to inject up to 8 mL POL per session, every 2 to 4 weeks. We evaluated reduction in pain and swelling, lesion resolution on imaging, and patient satisfaction.ResultsThere were 15, 24, 9, and 5 patients (total 53) with type I, II, III, and IV VMs, respectively. The average number of sessions was 5.3, 4.3, and 4, and the average amount of POL injected was 14.24 mL, 16.1 mL, and 23.2 mL for type I, II, III VMs, respectively. The number of sessions correlated with lesion volume (P < .0001). Imaging showed good resolution in 4/15, 18/24, 6/9, and 4/5 patients respectively with type I, II, III, and IV VMs. Patient satisfaction was not related to lesion type (P = .1). ROC analyses showed cut-off values of 4.9 mL lesion volume, three sessions, and 12 mL POL volume for patient satisfaction. At 6 months, 23 patients having pain had significant improvement (P < .00001). Local (n = 30) and chest pain (n = 2) were the only complications.ConclusionsUS-guided sclerotherapy with 3% POL foam is safe and effective. Lesions with up to 50% anechoic areas had better resolution, without correlation with patient satisfaction.© 2017 Wiley Periodicals, Inc.

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