Journal of Advanced Biomedical Sciences

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Amouei A, Banei F, Abootorabi M M, Babaei Zarch M, Hosseini Z S. Lipoblastoma of Genital System in a Female Infant: A Case Report. JABS 2020; 10 (4) :2972-2976
URL: http://jabs.fums.ac.ir/article-1-2062-en.html

Lipoblastoma is a rare, benign lesion of adipose tissue that usually occurs in upper and lower limbs. However, lipoblastoma of head and neck, trunk, mediastinum, mesenteric, retroperitoneum, kidneys, and perineal region has been reported to date. In this case report, we introduce lipoblastoma in a 16-month female infant who was referred to the clinic by her parents because of a rapid growing mass in labia major region from 2 months ago. In imaging, an ill-defined lobulated mass with heterogeneous enhancement was found adjacent to the pubis and left inferior ramus that was suggestive of soft tissue sarcoma. The patient underwent incomplete radical vulvectomy. Histopathological study reported "lipoblastoma" as a definite diagnosis. Five-year follow up revealed no recurrence. Although genital lipoblastoma is a rare, benign lesion, it should be differentiated from malignant tumors such as liposarcoma.