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Other malignancies may be considered in the differential diagnosis such as small\u2010cell osteogenic sarcoma, un\u2010differentiated (anaplastic) hepatoblastoma, granulocytic sarcoma, blastemal type Wilms' tumor, and desmoplastic small\u2010cell tumor of the peritoneum. The cytomorphologic features of conventional SRCTs is presented as well as the utility of ancillary studies performed on the aspirated material in making a specific and correct diagnosis. The role of the immediate cytologic assessment of the aspirate is stress, since this is a critical step in formulating an initial diagnostic impression that should prompt the need for additional material for pertinent ancillary studies. Although challenging, FNA cytology of SRCTs of childhood can be diagnostic in the majority of cases, allowing specific therapy to be given to patients with unresectable SRCTs without a tissue biopsy as well as documenting recurrent and\/or metastatic disease. \u00a9 1994 Wiley\u2010Liss, Inc.<\/jats:p>","DOI":"10.1002\/dc.2840100312","type":"journal-article","created":{"date-parts":[[2007,2,22]],"date-time":"2007-02-22T02:38:22Z","timestamp":1172111902000},"page":"245-255","source":"Crossref","is-referenced-by-count":53,"title":["FNA biopsy of small round cell tumors of childhood: Cytomorphologic features and the role of ancillary studies"],"prefix":"10.1002","volume":"10","author":[{"given":"Jan F.","family":"Silverman","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vijay V.","family":"Joshi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2006,7,14]]},"reference":[{"key":"e_1_2_1_2_2","first-page":"665","article-title":"The use of fine\u2010needle aspiration biopsy in children","volume":"150","author":"Cohen MB","year":"1989","journal-title":"West J Med"},{"key":"e_1_2_1_3_2","doi-asserted-by":"publisher","DOI":"10.1002\/dc.2840050407"},{"key":"e_1_2_1_4_2","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(19841001)54:7<1449::AID-CNCR2820540738>3.0.CO;2-#"},{"key":"e_1_2_1_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0046-8177(88)80230-2"},{"key":"e_1_2_1_6_2","doi-asserted-by":"publisher","DOI":"10.1093\/ajcp\/95.5.653"},{"key":"e_1_2_1_7_2","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(19920215)69:4<1067::AID-CNCR2820690439>3.0.CO;2-O"},{"key":"e_1_2_1_8_2","doi-asserted-by":"publisher","DOI":"10.1097\/00043426-199205000-00006"},{"key":"e_1_2_1_9_2","doi-asserted-by":"publisher","DOI":"10.1002\/1097-0142(19850415)55:8<1805::AID-CNCR2820550828>3.0.CO;2-6"},{"key":"e_1_2_1_10_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF02388363"},{"key":"e_1_2_1_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-3468(83)80189-4"},{"key":"e_1_2_1_12_2","doi-asserted-by":"publisher","DOI":"10.1007\/BF02810362"},{"key":"e_1_2_1_13_2","doi-asserted-by":"publisher","DOI":"10.1002\/mpo.2950160206"},{"key":"e_1_2_1_14_2","first-page":"301","article-title":"Fine needle aspiration cytology: utilization in pediatric pathology","volume":"8","author":"Layfield L","year":"1990","journal-title":"Dis Markers"},{"key":"e_1_2_1_15_2","doi-asserted-by":"publisher","DOI":"10.1002\/dc.2840070504"},{"key":"e_1_2_1_16_2","first-page":"165","article-title":"Fine needle aspiration of pediatric abdominal masses. 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