Frequent Genetic Mutations Flashcards
Fibrous Dysplasia
GNAS
Osteogenesis Imperfecta
COL1A1, COL1A2
Cleidocranial Dysplasia
RUNX2 (CBFA1)
Paget Disease
SQSTM1
Cherubism (chromosome?)
SH3BP2, chromosome 4
Aneurysmal Bone Cyst (chromosome too?)
USP6, chromosome 7
and/or CDH11
Gnatho-diaphyseal dysplasia
GDD1
Hyperparathyroidism jaw tumor syndrome
HRPT2 (in OF)
Gardner Syndrome (chromosome too?)
APC, chromosome 5
Chondroma
IDH1
Soft tissue fibromatosis (Desmoid tumor)
CTNNB1- encodes beta-catenin
Neurofibromatosis Type 2..chromosome? protein?
NF2, Chromosome 22, merlin protein
Sturge-Weber Syndrome
GNAQ
Alveolar Soft-Part Sarcoma
t(X,17) resulting in ASPL-TFE3 fusion gene
Synovial Sarcoma
t(X,18) resulting in SS18-SSX fusion gene
Pleomorphic Adenoma
PLAG1
HMGA2
Secretory Carcinoma
ETV6-NTRK3 t(12,15)
HLA Heck’s DIsease & Purigo & Giant Cell Arteritis
HLA-DR4
Seborrheic Keratosis
FGFR3, PIK3CA
Ephelis (freckle)
MC1R
Acquired melanocytic nevus (mole)
BRAF
Actinic lentigo
FGFR3, PIK3CA
Spitz Nevus
HRAS
Blue Nevus
GNAQ
Basal cell carcinoma
TP53, SMO, PTCH
Congenital melanocytic nevus
NRAS
LADD (Lacrimo-auriculo-dento-digital)
FGF10
Cyclic neutropenia
ELA-2 (ELANE)
TTP Thrombotic thrombocytopenic purpura
deficiency in ADAMTS13 (von willebrand cleaving factor)
-either from autoantibodies to ADAM or inherited auto recessive mutation to ADAM
Polycythemia vera
JAK2
Chronic myeloid leukemia (CML)
9;22 BCR-ABL called the Philadelphia chromosome
LCH
BRAF
Burkitt Lymphoma
8;14 c-myc overexpression
Incontinentia pigmenti (inheritance?)
NEMO…X-linked DOMINANT (so females get it, males die)
Darier Disease
ATP2A2, encodes SERCA pump
Peutz-Jeghers
STK11 aka LKB1
HHT1 (chromosome?)
ENG; chromosome 9
HHT2 (2 names of the gene, what chromosome?)
ALK1 aka ACVRL1; chromosome 12
Hereditary Hemorrhagic Telangiectasia + Juvenile polyposis
MADH4
Tuberous Sclerosis (chromosome(s)?, which one is more common?)
TSC1; chromosome 9
TSC2; chromosome 16 MORE COMMON
Multiple hamartoma syndrome (Cowden)
PTEN; Chromosome 10
Epidermolysis Bullosa simplex
Keratin 5 and 14
Epidermolysis Bullosa junctional
Laminin-332
Type XVII collagen
Alpha 6 - Beta 4 integrin
Epidermolysis Bullosa dystrophic
Type VII collagen
Kindler syndrome
FERMT1, codes for kindlin-1
Van Der Woude
IRF6
Crouzan and Apert (chromosome?)
FGFR2; chromosome 10
Pachyonichia Congenita
Leukoplakia: keratin 6A
Neonatal teeth: Keratin 17
Lipoid proteinosis
ECM1
Mandibulofacial dysostosis (treacher collins)
TCOF1
Mucoepidermoid carcinoma
11;19
MAML2-CRTC1
Adenoid cystic carcinoma
6;9
MYB-NFIB
Acinic Cell carcinoma
HTN3-MSANTD3 fusion is a recurrent fusion event in the salivary gland AciCC but is found in <5% of cases
Pierre-Robin Sequence
SOX9
Digeorge syndrome
aka chromosome 22q11.2 deletion syndrome
Papillon-Lefevre and Haim Munk (chromosome?)
Cathepsin C gene mutation, chromosome 11
Nevoid basal cell carcinoma syndrome (chromosome?)
PTCH1; chromosome 9
Nodular fasciitis
MYH9-USP6
FISH test available for USP6
Clear cell odontogenic carcinoma
EWSR1 rearrangements
Most common: EWSR1-ATF1 >80%
Calcifying epithelial odontogenic tumor
PTCH1
Osteopetrosis
RANK or RANK-ligand
Noonan syndrome
PTPN11
Juvenile Ossifying Fibroma (psamommatoid variant)
trabecular variant: not specified
psamommatoid variant: X;2 translocation
Hereditary retinoblastoma
RB1
Chondrosarcoma
IDH1/2
Ewing sarcoma
EWSR1-FLI1
11;22 translocation (EWSR1=Ch22, FLI1=Ch11)
EWS-FLI1 protein product
Von recklinghausen disease of the skin
NF1, chromosome 17; neurofibromin protein
Medullary thyroid carcinoma syndrome
RET, chromosome 10
MEN2A (aka sipple syndrome)
RET, chromosome 10
MEN2B
RET codon 918
Paraganglioma
Succinate dehydrogenase
Verruciform xanthoma
3BHSD
3-beta-hydroxysteroid dehydrogenase (3BHSD)
Name 4 of the most common Tumor suppressor genes
TP53, pRb, p16, E-Cadherin
Hemophilia type A
Factor 8 mutations
White sponge nevus
Keratin 4 and 13
Dyskeratosis congenita
DKC1
Amelogenesis imperfecta: Whats the worst one?
AMELX, ENAM, MMP-20, KLK4, **FAM83H(worst one), WDR72, C4orf26, DLX3
Dentiogenesis imperfecta
DSPP (also in dentin dysplasia type 2)
Niemann-Pick Disease
NPC-1 NPC-2
Vitamin D Resistant Rickets
PHEX
APECED: autoimmune polyendocrinopathy-candidiasis-ectodermal dystrophy syndrome
AIRE gene
Follicular Lymphoma
t(14;18) 90%
Marfan Syndrome
Fibrillin-1
Sebaceous carcinoma
Most common: TP53, RB1, PIK3CA
Uveal melanoma
GNAQ
Embryonal Rhabdomyosarcoma
Loss of heterozygosity chromosome 11p15.5
Alveolar Rhabdomyosarcoma
PAX3-FKHR (FOX01) and PAX7-FKHR (FOX01)
Phosphaturic Mesenchymal Tumor
FN1-FGFR1 fusion gene (expression of FGF23 in the tumor)
Otodental Syndrome
FGF3 (Chromo 11)
Hemangioma of Infancy
GLUT1
Brooke-Spiegler
CYLD on chromo 16
Basal cell adenoma
CTNNB1 (neville says this is CTTNB1- but the internet says CTNNB1) mutation in approx 60%; basal cell adenocarcinoma appears negative for the mut
Mantle cell lymphoma
t11:14; cyclin D1 overexpression (can also occur in multiple myeloma-stains and morphology to differentiate)
Mucocutaneous candidiasis
Autoantibody to T cells making IL-17
and lack of IL-22
Goltz syndrome
PORCN
Ehlers-Danlos syndrome
varies based on type but collagen mutations: type 5 is for classical type E-D
Beckwith-weidmann (just affected chromosome)
11
Rheumatoid arthritis HLA
HLA DRB1
Giant cell arteritis HLA
HLA DR4
Mastocytosis
c-Kit
DSPP gene chromosome?
Chromosome 4
Cystic fibrosis
CFTR gene on chromosome 7
Disrupts function of chloride channels
Caffey disease
Autosomal dominant, mutation in COL1A1
Liposarcoma
Amplification of MDM2, CDK4 on chromosome 12 in well-differentiated
Myxoid has t(12;16) TLD-DDIT3 (CHOP)
Glomangiopericytoma
CTTNB1 specifically GSK3beta region with resultatnt cyclin D1 upregulation
Solitary fibrous tumor
NAB2-STAT6
Glomus tumor
MIR143-NOTCH
Pericytoma
ACTB-GLI1
Epithelioid hemangioendothelioma
WWTR1-CAMTA1
Angioleiomyoma
loss of 22q11.2
low level amp Xq
NK T cell lymphoma
JAK/STAT pathway activation
alterations: JAK, STAT, PTPRK
muts: TP53, DDX3X
adamantiomatous type craniopharyngioma
CTNNB1 mutations
nasopharyngeal angiofibroma
loss of Y and gain of X
CTNNB1
mortality associated with nasopharyngeal angiofibroma is a result of
direct cranial extension or hemorrhage
myofibroma/myopericytoma (spectrum)
PDGFRB mut
osteosarcoma
p53 Rb
p53 in li frau meni- disease with propensity to develop osteosarc
DFSP
COL1A1-PDGFB
biphenotypical sinonasal sarcoma
t(2;4)
PAX3-MAML3
mesenchymal chondrosarcoma
HEY1-NCOA2 fusions
NO IDH1 mut
Round blue cells of mesenchymal chondrosarcoma stain with
SOX9
Osteochondroma
EXT1 (sporadic) EXT1 EXT2 (hereditary multiple osteochondromas)
Endolymphatic sac tumor
VHL
Less common fusion partner for ewing sarcoma
EWSR1-ERG
thymoma
GTF2I
MNTI
RPLP1-C19MC
polymorphous adenocarcinoma
PRKD mutations