PMID- 16304664 OWN - NLM STAT- MEDLINE DCOM- 20070213 LR - 20090112 IS - 1545-5009 (Print) IS - 1545-5009 (Linking) VI - 47 IP - 6 DP - 2006 Nov TI - Pediatric paraganglioma: an early manifestation of an adult disease secondary to germline mutations. PG - 785-9 AB - BACKGROUND: Paraganglioma (PGL) and phaeochromocytoma (PCC) are chemotherapy and radiation-resistant neuroendocrine tumors that arise from sympathetic tissue, and rarely occur in children. PCC may be associated with predisposing (germline) conditions like the multiple endocrine neoplasia type 2 (MEN2; OMIM 164761), von Hippel-Lindau syndrome (VHL; OMIM 193300), and rarely neurofibromatosis type 1 syndrome (NF1; OMIM 162200) and multiple endocrine neoplasia type 1 (MEN1; OMIM 131100). PGL, on the other hand, may be related to predisposing germline conditions like the familial PGL syndrome and the NF1 syndrome. In adult studies, one of the highest predisposing factors for germline mutation among patients presenting apparently sporadic PCC/PGL was their age at presentation. The aim of this study was to determine the rate of germline mutations among the rare patients presenting with sporadic PGL during childhood. PROCEDURE: In this study, we report the genetic analysis for predisposing conditions for the only three PGL cases retrospectively identified at our pediatric institution in the last 20 years. RESULTS: None had NF1 clinical associated lesions. Mutation screening of genes associated to VHL (VHL), MEN (RET), and familial PGL (SDH-B, -C, and -D) showed that all cases had germline deletions in the SDHB gene. We report a novel mutation, c.778 del C. Importantly, several non-symptomatic relatives were found to be carriers, thus ensuring them a clinical follow-up. CONCLUSION: According to our findings, PGL presenting during childhood represents an early manifestation of an adult disease caused by predisposing germline mutations. These results underline the importance of genetic studies in pediatric PGLs. CI - (c) 2005 Wiley-Liss, Inc. FAU - Mora, Jaume AU - Mora J AD - Laboratori de biologia molecular dels tumors del desenvolupament i Oncologia Pediatrica, Hospital Sant Joan de Deu de Barcelona, Spain. jmora@hsjdbcn.org FAU - Cascon, Alberto AU - Cascon A FAU - Robledo, Mercedes AU - Robledo M FAU - Catala, Albert AU - Catala A LA - eng SI - OMIM/115310 SI - OMIM/131100 SI - OMIM/162200 SI - OMIM/164761 SI - OMIM/168000 SI - OMIM/193300 SI - OMIM/601650 SI - OMIM/605373 PT - Case Reports PT - Journal Article PT - Research Support, Non-U.S. Gov't PL - United States TA - Pediatr Blood Cancer JT - Pediatric blood & cancer JID - 101186624 SB - IM CIN - Pediatr Blood Cancer. 2007 Dec;49(7):1050-1; author reply 1052-3. PMID: 17243134 MH - Adolescent MH - Adrenal Gland Neoplasms/diagnosis/*genetics/surgery MH - Child MH - DNA Mutational Analysis MH - Female MH - Follow-Up Studies MH - Gene Deletion MH - *Genetic Predisposition to Disease MH - *Germ-Line Mutation MH - Humans MH - Male MH - Mutation MH - Neoplasm Recurrence, Local MH - Paraganglioma/diagnosis/*genetics/surgery MH - Pedigree MH - Polymerase Chain Reaction/methods MH - Reoperation MH - Retrospective Studies MH - Sensitivity and Specificity MH - Tomography, X-Ray Computed EDAT- 2005/11/24 09:00 MHDA- 2007/02/14 09:00 CRDT- 2005/11/24 09:00 PHST- 2005/11/24 09:00 [pubmed] PHST- 2007/02/14 09:00 [medline] PHST- 2005/11/24 09:00 [entrez] AID - 10.1002/pbc.20680 [doi] PST - ppublish SO - Pediatr Blood Cancer. 2006 Nov;47(6):785-9. doi: 10.1002/pbc.20680.