Current management of lipoblastoma

Abstract

Lipoblastoma is a rare and benign tumor arising from embryonal fat cells. It is generally diagnosed in children younger than 3 years of age and can occur in the extremities or on the trunk. We present our series of 10 children with lipoblastoma treated at Schneider Children’s Medical Center of Israel between 2011 and 2016. Six boys and four girls underwent tumor resection at a median age of 2 years and 3 months (range 5 months to 5.6 years). Locations were trunk (6), groin (2), perineum (1), and omentum (1). Follow up ranges from 1 to 5 years. Two patients had a local recurrence and required a second resection 2 years (perineal) and 6 years (trunk) after the first surgery without further recurrence at 1.9 and 2.9 years, respectively.

Conclusion: Higher awareness of lipoblastoma enables optimal imaging strategies and resection. Long follow up is required due to local recurrences. The treatment of choice consists of complete, but non mutilating surgical resection.

What is Known: • Lipoblastoma is a rare benign tumor of fatty tissue affecting children • Treatment consists of surgical resection

What is New: • MRI is the modality of choice for follow up • Ten-year long-term follow up is required due to late recurrence

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