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Published on: November 21, 2018
Analysis of clinical features of lipoblastoma in children
Ji-Won Han1, Hongbeom Kim1, Joong Kee Youn1
1a Department of Pediatric Surgery , Seoul National University Children's Hospital , Seoul , Korea.
Objective:
A lipoblastoma is pathologically benign but often recurs. Due to its rarity, studies are scarce. The purpose of this study was to investigate the clinical characteristics of lipoblastoma occurring in children and to detect any correlations with the expression of Ki-67.
Participants:
From 1998 to 2010, 33 patients were diagnosed with lipoblastoma at Seoul National University Children's Hospital.
Methods:
Ki-67 immunohistochemistry staining of the tumor tissue was performed.
Results:
A total of 33 patients (64% males) were enrolled in the study, with a mean age of 28 month. Eleven and 22 lesions were deep and superficial, respectively. Complete excisions were performed for 30 patients, and three underwent incomplete excisions. Two patients who underwent incomplete excision subsequently underwent a second operation due to tumor regrowth, and one patient had a recurrence despite complete excision. There was no statistically significant correlation observed between the tumor size or recurrence and the expression of Ki-67.
Conclusions:
Lipoblastoma requires an accurate diagnosis and operative resection to alleviate the symptoms induced by its growth. Incompletely resected tumor may regrow; therefore, complete excision is the treatment of choice. Continuous follow-up is needed to monitor for recurrence of disease, even after a complete excision.
