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Revista chilena de pediatría

Print version ISSN 0370-4106


VALDERRAMA, Javier; SCHNETTLER R, David; ZAMORANO H, Marcelo  and  LAHSEN H, Juan Pablo. Retroperitoneal lipoblastoma in an infant: A case report. Rev. chil. pediatr. [online]. 2016, vol.87, n.3, pp.199-203. ISSN 0370-4106.

Introduction Lipoblastoma is a benign neoplasia of the adipose tissue. It is a rare conditionand almost exclusively presents in children under 3 years old. It usually occurs in extremities as a painless volume increase of progressive growth, with the definitive diagnosis being established by pathological and cytogenetic analysis. The treatment of choice is complete resection, and follow-up period of up to five years is recommended due to a recurrence of up to 25%. Objective To present an unusual location of this uncommon condition in an infant, and review the related literature. Case report A sixteen-month child with an increase in abdominal growth of six-months progression, associated with a decreased food intake, and with no other symptoms. The imaging study revealed a lipoid-like image compromising almost the entire abdominal cavity, very suggestive of lipoblastoma. A resection was performed on an 18 cm diameter retroperitoneal tumour that rejected the adjacent organs. Histological analysis was enough to confirm diagnosis without the need for cytogenetic analysis. The follow-up showed no recurrence of the disease. Conclusion Given the rarity of this disease and its unusual presentation, we communicate this clinical case, in order to be considered in the differential diagnosis of abdominal mass in chilhood.

Keywords : Lipoblastoma; Paediatric; Retroperitoneal; Neoplasia.

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