Giant lipoblastoma of the buttock
Zied Jlalia, Dhia Kaffel
The Pan African Medical Journal. ;33:63. doi:10.11604/pamj..33.63.17991

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Images in clinical medicine

Giant lipoblastoma of the buttock

Zied Jlalia, Dhia Kaffel
Pan Afr Med J. 2019; 33:63. doi:10.11604/pamj.2019.33.63.17991. Published 28 May 2019



Ten years old girl was referred to our consultation for a tumefaction of the right buttock, it was soft consistency and mobile in relation to the deep planes (A). Magnetic resonance imaging reveals a large fatty lobulated mass well encapsulated with septa with low signal T1/T2 (B). Pathological examination of the resection piece confirmed the diagnosis of lipoblastoma (C). Lipoblastoma is a rare benign pediatric tumor derived from embryonic fat. It is often morphologically indistinguishable from primitive myxoid mesenchymal tumor of infancy. Translocations affecting the 8q11–13 region are commonly reported with lipoblastoma and proper diagnosis requires cytogenetic analysis to distinguish it from malignant myxoid liposarcoma. It is important to consider lipoblastoma in the diagnosis of a rapidly enlarging fatty mass in children. Complete resection is the only definitive treatment and should not be delayed when impingement on surrounding structures is imminent.


Corresponding author:
Zied Jlalia, Pediatric Orthopedics Department, Kassab Institute of Orthopedic Surgery, Ksar Said, Tunisia
jlalia.zied@gmail.com

©Zied Jlalia et al. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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