2021
DOI: 10.1186/s13000-021-01160-w
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First presentation of a frameshift mutation in the SETD2 gene of a juvenile psammomatoid ossifying fibroma (JPOF) associated with an aneurysmal bone cyst

Abstract: Background The rarity of juvenile psammomatoid ossifying fibroma (JPOF) and lack of cytogenetic studies prompted us to report a novel SETD2 gene mutation in a benign odontogenic tumour. Case presentation A 21-year-old man presented with a hard, expanded mandibular cortex. Computed tomography revealed multilocular radiopacity in the mandible; this was reconstructed via segmental mandibulectomy using a vascularised iliac crest flap. Based on the clin… Show more

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Cited by 2 publications
(2 citation statements)
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“…Next-generation sequencing of craniofacial ossifying fibroma revealed alterations in FOS, FOSB, COL1A1, and TBX3 genes [19]. SATB2 translocations and SETD2 mutation have been reported in psammomatoid juvenile ossifying fibroma [20,21]. Mutations in ANO5 have been described in gigantiform cementoma [22], and recently, mutations of BRAF, HRAS, KRAS, NRAS, and FGFR3 were described in COD [4].…”
Section: Discussionmentioning
confidence: 98%
“…Next-generation sequencing of craniofacial ossifying fibroma revealed alterations in FOS, FOSB, COL1A1, and TBX3 genes [19]. SATB2 translocations and SETD2 mutation have been reported in psammomatoid juvenile ossifying fibroma [20,21]. Mutations in ANO5 have been described in gigantiform cementoma [22], and recently, mutations of BRAF, HRAS, KRAS, NRAS, and FGFR3 were described in COD [4].…”
Section: Discussionmentioning
confidence: 98%
“…Mutations of the SETD2 gene have been found in a variety of malignant tumors, including pancreatic and renal carcinomas. 20 Whether SETD2 mutations are a recurrent genetic finding in PsOF remains to be elucidated because this was detected only in 1 case of PsOF. We did not find evidence of SETD2 mutation in our PsOF index cases L6867 and L6605.…”
Section: Discussionmentioning
confidence: 99%