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Alcoholic solution of zein (Ethibloc) sclerotherapy for treatment of lymphangiomas in children

Journal of Pediatric Surgery
Publication Date
DOI: 10.1016/j.jpedsurg.2006.01.019
  • Medicine


Abstract Purpose The aim of this study was to report the experience and efficacy of Ethibloc sclerotherapy as treatment of lymphangiomas. Methods Between 1992 and 2004, 63 patients had Ethibloc sclerotherapy for lymphangiomas at our institution. Computed tomographic scan or magnetic resonance imaging and clinical evaluation determined efficacy of the treatment. Results were classified as excellent (≥95% decrease in lesion volume), satisfactory (≥50% decrease and asymptomatic), or poor (<50% decrease or symptomatic). Results Sixty-three patients with 67 lesions underwent sclerotherapy with a median of 2 treatments per patient. Thirty-five involved the neck; 10, the head and face; and 22, the thorax or limb. Thirteen were predominantly microcystic; 28, macrocystic; and 26, mixed. Of the 63 patients, 6 underwent sclerotherapy for postsurgical residual lesions. Results were classified by type: of the 54 macrocystic/mixed cases, 26 (49%) had excellent, 19 (35%) had good, and 9 (16%) had poor results; in the 13 predominantly microcystic lesions, 3 (23%) had excellent, 7 (54%) had good, and 3 (23%) poor results. Five patients (7.7%) required surgery for complications; 2, for scar revision; 2, for persistent drainage; and 1, for a salivary fistula. Infection occurred in 4 patients (6.2%) after sclerotherapy. Follow-up averaged 3.5 years (range, 12 months to 12 years). Conclusion Ethibloc sclerotherapy is a safe and effective alternative to surgical excision of macrocystic lymphangiomas and can be used for postsurgical recurrences.

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