Doxycycline sclerotherapy in children with lymphatic malformations: outcomes, complications and clinical efficacy
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Lymphatic malformations (LMs) are congenital lesions of the lymphatic system and consist of lymphatic channels and cystic spaces of varying sizes. Recent evidence has shown that LMs respond well to intralesional sclerotherapy.
The purpose of this retrospective study is to evaluate the outcome and efficacy of using doxycycline in treating macrocystic, microcystic and combined macro- and microcystic LMs in a tertiary-care pediatric center.
Materials and methods
Fifty children (32 boys, 18 girls) underwent doxycycline sclerotherapy for treatment of LMs between January 2005 and October 2010. Demographics, imaging, doxycycline treatment details, complications and follow-up details were documented.
The mean age at first treatment was 5.9 years (3 days–17.8 years), median 4.2 years. Cervicofacial (19/50 children) and truncal (16/50 children) locations were the most frequently affected. One hundred forty-six sclerotherapy sessions were performed in 50 children (mean 2.9/child). The mean doxycycline dose/kg body weight for 146 sessions was 15.3 mg/kg (0.6–85.7 mg/kg). Complications occurred in 4/146 procedures. Clinical follow-up showed excellent response in 14/16 children with macrocystic LMs, 21/27 children with combined LMs and 4/7 children with microcystic LMs.
Doxycycline is a safe and effective sclerosant agent for treating LMs in children, with a low complication rate.
KeywordsDoxycycline sclerotherapy Lymphatic malformations Efficacy Safety Complications Outcomes Children