Doxycycline Sclerotherapy of Head and Neck Lymphatic Malformations: Intermediate Report of 27 Cases

OBJECTIVE: To evaluate the safety and efficacy of percutaneous doxycycline sclerotherapy of head and neck lymphatic malformations (LM) with a 40-month follow-up of 27 cases. MATERIALS AND METHODS: Twenty-seven consecutive patients with head and neck LM who underwent doxycycline sclerotherapy from 2010 to 2019 were retrospectively reviewed. Pre- and peri-interventional data collection included patients' demographics, clinical and radiological presentation, number of treatment procedures, amount of doxycycline used for each session of sclerotherapy. Postinterventional clinical outcome data were assessed based on the electronic, medical reports with special attention to clinical improvement, measurement of the lesion on ultrasound and magnetic resonance imaging after the last session of sclerotherapy and complications of sclerotherapy. RESULTS: Twenty-seven patients underwent a mean of four doxycycline sclerotherapy sessions (range 1-23). The mean total dose of injected doxycycline per session was 170 mg. Maximal diameter of the LM decreased from mean 59.7 mm (median 58 mm; 25-130 mm) before treatment to mean of 29.6 mm (median 30 mm; 0 mm 64 mm) after the last session (P < 0.0001). Over a mean follow-up period of 40 months, complete or incomplete disappearance of symptoms was found in 23 (85%) and 3 (11%) of patients, respectively. In one patient, sclerotherapy did not result in better clinical outcome. Two out of 27 patients presented with minor post-procedural complications, and one patient with a post-procedural intralesional bleeding considered as a major complication. CONCLUSION: Ultrasound-guided, percutaneous doxycycline sclerotherapy is a safe and effective method of managing symptomatic LM of the head and neck.

Publication year:2023

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