Journal of Pathology and Translational Medicine

Case Reports

Fine Needle Aspiration Cytology of Lipoblastoma: A Report of Two Cases.: So Yeong Oh, Myoung Ja Chung, Woo Sung Moon, Myoung Jae Kang, Dong Geun Lee; Korean J Cytopathol. 1998;9(2):241-244.

Abstract PDF: Lipoblastoma is a rare benign neoplasm occurring exclusively in children below the age of three years. It affects chiefly the upper and lower extremities, and less commonly head and neck area, trunk, mediastinum, mesentery, and retroperito neum. We present two cases of lipoblastoma occurring in the mediastinum of a 21-month-old boy and in the back of a 15-month-old boy. The characteristic features of Fine needle aspiration cytology smears were the presence of immature fat cells in the form of spindle-shaped cells, stellate cells and vacuolated lipoblasts along with lipocytes against a myxomatous background. Two tumors were histologically confirmed to be lipoblastomas. Lipoblastoma can be cytologically diagnosed by considering the cytologic findings and the age of the patient.

Lipoblastomatosis: A case with evidence of maturation.: Je G Chi, Hyung Geun Song, Ill Hyang Ko, Hye Che Cho; Korean J Pathol. 1987;21(1):57-61.

Abstract PDF: A case of lipoblastomatosis occuring in a 1 year and 10 month old boy is described. The tumor was first presented in the left foot at his age of 4 month, and was surgically removed. The tumor was grossly infiltrating skeletal muscle tissue, and was microscopically composed of lobulated fat tissue with prominent myxoid stroma and many immature mesenchymal cells and scattered multivacuolated lipoblasts. The tumor recurred 11/2 years later and was again removed. The tumor was equally lobulated and located inbetween skeletal muscle. However, this time lobulated tumor consisted almost entirely of mature fat tissue with scattered lipoblasts.

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