Abstract

The authors aim to report a rare sequela following neonatal mandibular distraction osteogenesis (MDO) involving delayed onset sublingual swelling. They performed a retrospective chart review of 3 patients who presented with delayed onset sublingual edema following neonatal MDO. The 3 patients presented at 2, 4, and 12 months following MDO for micrognathia secondary to Robin sequence with intermittent sublingual swelling associated with sialorrhea and feeding difficulties. There was no associated recent illness, fevers, or purulent drainage. All 3 children underwent magnetic resonance imaging which demonstrated asymmetric sublingual gland edema. The edema was located on the left sublingual gland in 2 children and was bilateral in the third. The symptoms continue to recur 25.5±3.3 months (range, 22.3-28.9) postoperatively and all are being managed conservatively. Chronic delayed onset intermittent sublingual edema is a possible long-term complication following neonatal MDO and further studies should explore the incidence and management of this finding.

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