PMID- 15022060 OWN - NLM STAT- MEDLINE DCOM- 20041215 LR - 20060508 IS - 1093-5266 (Print) IS - 1093-5266 (Linking) VI - 7 IP - 2 DP - 2004 Mar-Apr TI - Cytogenetic distinction among benign fibro-osseous lesions of bone in children and adolescents: value of karyotypic findings in differential diagnosis. PG - 148-58 AB - Benign fibro-osseous lesions of bone (BFOL) comprise a group of clinically distinct entities with significant histologic overlap and often occur in children and adolescents. Because of prior studies indicating that these lesions possess distinct karyotypic abnormalities, we conducted a retrospective review of cytogenetic analyses performed in a series of 16 BFOL in children and adolescents diagnosed at two institutions. These comprised five cases with the diagnosis of ossifying fibroma, four with osteofibrous dysplasia, and seven with fibrous dysplasia arising in the skeleton of 16 children and adolescents. All cases were analyzed using standard G-banding techniques on fresh tumors explanted in tissue culture media. Spectral karyotyping (SKY) and fluorescence in situ hybridization (FISH) were used to analyze selected metaphases of a talar lesion with the histologic features of ossifying fibroma. All four confirmed ossifying fibromas, including the talar lesion, contained clonal aberrations fusing breakpoints on Xq26 and 2q33, and one case with dissimilar histology did not. Three of four osteofibrous dysplasias contained multiple copies of chromosomes 8, 12, and/or 21. All but two fibrous dysplasia cases exhibited either a completely normal karyotype or single cell aberrations. One fibrous dysplasia had subtle chromosomal abnormalities not seen in other cases in the series, and another had complex abnormalities involving multiple chromosomes. Our current and published results indicate that cytogenetics might be of ancillary use in the diagnosis of BFOL and that a characteristic chromosomal arrangement is associated with ossifying fibroma. FAU - Parham, David M AU - Parham DM AD - Department of Pathology, Arkansas Children Hospital and University of Arkansas for Medical Sciences, Slot 820, 800 Marshall Street, Little Rock, AR 72202, USA. parhamdavidm@uams.edu FAU - Bridge, Julia A AU - Bridge JA FAU - Lukacs, Janet L AU - Lukacs JL FAU - Ding, Yiling AU - Ding Y FAU - Tryka, A Francine AU - Tryka AF FAU - Sawyer, Jeffrey R AU - Sawyer JR LA - eng PT - Journal Article PT - Multicenter Study DEP - 20040317 PL - United States TA - Pediatr Dev Pathol JT - Pediatric and developmental pathology : the official journal of the Society for Pediatric Pathology and the Paediatric Pathology Society JID - 9809673 SB - IM CIN - Pediatr Dev Pathol. 2004 Mar-Apr;7(2):105. PMID: 15181660 MH - Adolescent MH - Adult MH - Bone Neoplasms/*genetics/pathology MH - Child MH - Child, Preschool MH - *Chromosome Aberrations MH - Diagnosis, Differential MH - Female MH - Fibroma, Ossifying/*genetics MH - Fibrous Dysplasia of Bone/*genetics/pathology MH - Humans MH - Immunohistochemistry MH - In Situ Hybridization, Fluorescence MH - Male MH - Retrospective Studies MH - Spectral Karyotyping EDAT- 2004/03/17 05:00 MHDA- 2004/12/16 09:00 CRDT- 2004/03/17 05:00 PHST- 2003/06/11 00:00 [received] PHST- 2003/11/13 00:00 [accepted] PHST- 2004/03/17 05:00 [pubmed] PHST- 2004/12/16 09:00 [medline] PHST- 2004/03/17 05:00 [entrez] AID - 10.1007/s10024-003-6065-z [doi] PST - ppublish SO - Pediatr Dev Pathol. 2004 Mar-Apr;7(2):148-58. doi: 10.1007/s10024-003-6065-z. Epub 2004 Mar 17.