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Spontaneous Resolution of Primary and Recurrent Cystic Hygroma Following Acute Infection - Abstract

Kashif Chauhan, Richard Gan, Bala Eradi, Brian Davies, Shailinder Singh



Introduction: There are reports of chronic infection leading to spontaneous regression of primary cystic hygromas (CH). To the best of our knowledge there is no report of acute infection in primary and recurrent CH leading to a rapid and spontaneous resolution. We report case series of four patients with primary (three) and recurrent (one) CH, which resolved spontaneously following an episode of acute infection within a short span of 1-2 weeks.

Patients and Methods: A retrospective case note review of four cases of CH was done in two tertiary paediatric surgical centres in UK.

Results: Four-year-old boy presented with CH in the axilla. It recurred within 3 weeks of surgical excision. He developed acute infection in the recurrent CH while waiting for sclerotherapy. This was treated with oral antibiotics and led to complete resolution of the swelling within a week. Follow up was 3 months. A neonate presented with congenital left sided CH in the neck. On day 9 of life there was an infection in the CH, which was treated with intravenous antibiotics. There was a complete resolution of the neck swelling within 2 week. Follow up was 12 years. A 2-month-old girl presented with right-sided CH in her neck. A decision was made to treat it conservatively. The CH got infected at 6 months of age while on conservative management. It was treated with intravenous antibiotics. There was a complete resolution of the neck mass in 2 weeks. Follow up was 2 years. A neonate presented with congenital right neck CH. Sclerotherapy was planned at 6 months of age. The infant developed an acute infection in CH at 4 weeks, requiring intravenous antibiotics. There was complete resolution of CH within weeks. Follow up was 1 year.

Conclusion: This case series raises our awareness of spontaneous resolution of primary as well as recurrent cystic hygromas following acute infection.

Keywords: cystic hygroma, acute infection, lymphangioma


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