Genoderms Flashcards
Griscelli
Myosin 5A, RAB27A, MLPH
GS1-pancyopen, immunodef, neuro
GS2-accel phase without granules on smear
Chedhak-Higashi
LYST/CH1 (lysosome transport gene)
OCA, ataxia, Giant lysosomal granules, accelerated phase with pancytopenia/death, lymphhistio of reticendo sys
Elejalde syndrome
Varianct of GS1
Neuro dysftn but no immunodef
Hermansky-Pudlak
HPS (lysosomal transport)
AP3B1 (endocytic/exocytic sorting)
OCA, plts without bodies, ceroid storage cause pulm fibrosis, granulom colitis, CM, renal failure
Nieman-Pick
A:infancy, CNS, cherry red spot-blindness
B:infancy/childhood, no cns
c:childhood, psychomotor deterrer, HSM
Hemochromatosis
AR: HFE, HJV, HAMP, TFR2
AD: ferroprotein
vibrio, yersinia
Wilson
ATP7B
Acrodermatitis enteropathica
SLC39A4
Homocystinuria
cystathione B-synthase
increased homocyst and methionine levels in blood/urine, malar flush, DVTs, glaucoma
Phenylketonuria
phenylalanine hydroxylase or tetrahydrobiopterin
sclerodermoid changes, blond, blue
Multiple carboxylase deficiency
biotinidase def or holocarboxylase synthetase def.
periorificail and generalized dermatitis, hypotonia, optic atrophy, hyperammonia
Hurler and Scheie
alpha-L-iduronidase
Hunter
XLR; iduronate sulfate
Sanfilippo
Multiple enzymes
Maroteaux-Lamy
Arylsulfatase B
Morquio
hexosamine 6-sulfatase or b-galactosidase
Gaucher
acid beta-glucosidase gene
Ehrlenmeyer flask deform of bones
1-adult, 2-infants
glucocerbroside in histiocytes
Alkaptonuria
Ochronosis–homogentisic acid oxidase
dark urine and all else
Riley Day (familial dysautonomia)
IKBKAP
no fungiform papillae
decreased tears
Noonan
PTPN11
LE lymphedema, CALMS, hypogonad
Like female turner–pulmonic valve stenosis
Trisomy 8
like nail-patella, no patella, short nail
Downs
low alphaFP
Muir Torre
MSH2 and MLH1–dna mismatch repair
GI and larynx carcinomasP
Werner
RECQL2-chronic leg ulcers, sarcoma
Rothmund Thompson
RECQL4-premalignant acral keratoses, solid tumors
Bloom
RECQL3-hypogammaglobulinemia, leuk, lymphoma, GI CA and oral/esop SCC
Cockayne
CSA-ERCC8
CSB-ERCC6
, no inc risk of CA
Wiskott-Aldrich
WASP; dec IgM, elevated A/D/E; 20% risk lymphoretic
CGD
CYBA, XLR: CYBB, NCF1 and 2
nitroblue tetrazolium redcution assay
Hyper IgE/JOB
STAT3, broad nasal bridge
SCID
XLR; ADA deficiciency
IL-2 receptor gene most common, JAK 3, IL7R
Omenn
RAG1 and RAG2
Chronic mucocutaneous candidiasis
thyroid disease
APECED
AIRE
X-linked agammaglobulinemia (britons)
BTK; all Igs decreased
Common variable
TNFRSF13 ,TNFRSF13C, CD19
IgG and IgA decreased
Selective IgA def
TNFRSF13B
X-linked hyperIgM syndrome
CD40LG
Incr IgM and decreased A/E/G
Li-Fraumeni Syndrome
p53, breast, brain, osteosarc, leak
Reed-
fumarate hydratoase
Familial dysplastic nevi
CDK2NA (p16)
Common melanocytic nevi and malig mel
BRAF
Hoyeraal-Hreidarsson Syndrome
Dysker congen + posterior fossa malformation
XR: dyskerin
AD: TERC
MEN2b
RET, medullary thyroid, pheo, parathyroid ca
Bannayan Riley Ruvalcaba
PTEN, macroceph, genital lentigenes, hamartomas, lipomas, MR
Cowden
PTEN and Killin
Macroceph, tricholemmomas, acral keratosis, sclerotic fibromas, Breast, Thyroid, GI
Peutz-Jeghers
STK11/LKB1, ovarian sex cord tumor, breast, pancreas, endometrial cancer
Cronkite canada
GI polyposis, nail atrophy melanotic macules on fingers, generalized pigmentation
Gardner
APC, GI cancer, CHRPE, facial osteoma, extranummery teeth, desmoid tumors
Schopf-Schulz-Passarge
hidrocystoma of eyelid, hypotrichosis, hypodontia, nail abn, multiple palm/plantar eccrine syringofibroadenomas
BHD
folliculin
collagenomas, lipomas, oral fibromas, RCC, medulary thyroid CA, colon ca
Nicolau-Balus Syndrome
eruptive syringomas, milia, atrophoderma vermiculata
Brook-Spiegler
cylindroma, trichoepithelioma
Rasmusen syndrome
Milia, trichoepitheliomas, cylindromas
Tuzin
Atrophoderma vermiculata, scrotal tongue
Braun-Falco-Marghescu
Atrophoderma vermiculata, PPK, KP
Rombo
Atrophoderma vermiculata, BCCs, trichoepitheliomas, hypotrich, acrocyan
Bazex
Follicular atroph on backs hands and feet, HYPOHYDROSIS, hypotrichosis, BCCS
Gorlin
Patched gene (dec patch, inc smooth, uncontr prolif). Calcif Falx, meduloblast, ovarian fibromas and fibrosarcomas
Dermatopathia Pigmentosa Reticularis
K14: reticulate hyperpig, nonscar ALOPECIA, onychodystrophy
adermatoglyphia, PPK, hypohidrosis
Naegeli-Franseschetti-Jadassohn
K14:
retic pigmentation, better with age. POOR DENTITION
adermatoglyphia, PPK, hypohidrosis