Abstract
Eleven fine needle aspiration (FNA) biopsies were performed in five children with neuroblastoma, including one patient with peripheral neuroectodermal tumor of the thoracopulmonary region (Askin tumor). Cytologic features in conjunction with immunocytochemistry and electron microscopy on the aspirated material enabled us to make a primary diagnosis in four of the five patients and diagnose local recurrence and metastatic disease in three patients. There were no false-positive or false-negative cytologic diagnoses; therefore, diagnostic accuracy was 100%. FNA is an extremely useful technique for the primary diagnosis and management of neuroblastoma and excludes other small cell malignancies of children. The results of this study and literature review demonstrate that FNA cytology coupled with ancillary techniques of immunocytochemistry and electron microscopy is a rapid, safe, minimally invasive procedure which can aid in the diagnosis and management of patients with neuroblastoma without resorting to more aggressive diagnostic procedures in selective cases.
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