26 genes Flashcards
↓ EXT1, EXT2
- Osteochondroma (exostosis)
- Multiple Hereditary Exostosis Syndrome
LOF chr 1q42 (fumarate hydratase - Krebs cycle enzyme).
leiomyoma
t(12;16)
myxoid liposarcoma
inacticating OPG mutations
Pagets dis (osteitis deformans)
mutations of COL1A1 and COL1A2 mutations (Α1 and α2 chains of type I collagen)
osteogenesis imperfecta
CDK4
osteosarcoma
MDM2
osteosarcoma
HOXD13
brachydactly D and E
TP53
osteosarcoma
USP6 overexpression
Aneurysmal Bone Cyst (ABC)
SQSTM1
familial Pagets dis (osteitis deformans)
CA2
osteopetrosis
↓ or abnormal synthesis of glycosaminoglycans
Osteochondroma (exostosis)
GoF FGFR3, from paternal
- achondroplasia
- Thanatophoric dysplasia (but diff)
HER2
osteosarcoma
IDH-1 and IDH-2 - mosaics
chondroma
t(x;18) → SS18 - SSX1/SSX2/SSX4
synovial sarcoma
INK4a
osteosarcoma
LoF RUNX2
cleidocranial dysplasia
APC or β-catenin mutations = ↑ Wnt signaling.
Deep Fibromatosis (desmoid tumors) --> if APC, then worry about Gardners synd
GNAS1
polystotic Fibrous Dysplasia (Mccune albright synd)
CLCN7
osteopetrosis
RB
osteosarcoma
MDM2
well-diff liposarcoma
CDKN2A, IDH1/2 mutations
sporadic chondrosarcoma
t(2;13) or t(1;13)
Alveolar Rhabdomyosarcoma
FOXO1 fusion to PAX3 or PAX7
Alveolar Rhabdomyosarcoma
activating RANK mutations
Pagets dis (osteitis deformans)
EXT, IDH1/2 mutations
syndromic chondrosarcoma