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The Korean Journal of Cytopathology 1998;9(2): 241-244.
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
Department of Pathology, Chonbuk National University, Medical School.
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.
Key Words: Lipoblastoma; Fine needle aspiration cytology