Genoderms Syndrome Flashcards
lentigenes, ECG defects, pulmonary stenosis, genetalia defects, ocular hypertelorism, deafness, and retardation of growth
LEOPARD Syndrome (Moynahan syndrome)
photodistributed erythema
high pitched voice
decreased immunoglobulins (IgM/IgA) causing chronic respiratory infections
increased risk for GI adenocarcinoma, leukemia
Bloom Syndrome (congenital telangiectatic erythema)
plucked chicken skin angioid streaks retinal hemorrhage gastric artery hemorrhage* MVP fragmented calcified elastin of skin/eyes/arteries
PXE (Pseudoxanthoma Elasticum)
gastric artery hemorrhage
PXE
high pitched voice + photodistributed erythema
Bloom syndrome
Bloom syndrome has increased risk for which cancer?
GI andenocarcinoma (also leukemia)
Moynahan syndrome is another name for what?
LEOPARD SYNDROME
Name the findings in LEOPARD syndrome
Lentigines ECG abnormalities Ocular telorism Pulmonary stenosis Abnormal Genetalia Retardation of growth Deafness
Angioid streaks plus retinal hemorrage
PXE
Multiple KAs
Ferguson Smith,
*also found in Muire Torre Syndrome
cutaneous myxomas areola myxomas atrial myxomas Cushings syndrome from primary pigmented nodular adrenocortical disease psammomatous melanotic schwannomas
Carney Syndrome
LAMB or NAME syndrome
Carney Syndrome
name the findings in LAMB/NAME/Carney complex
Lentigenes
Atrial Myxoma
Mucocutaneous myxomas
Blue nevi
Nevi
Atrial myxomas
Myxoid tumors
Ephelids
psammomatous melanotic schwannomas
Carney Complex
Atrial myxomas
Carney complex
psammomatous melanotic schwannomas
Carney Complex
Atrial myxomas
Carney complex
multiple fractures
thin skin
blue sclera
MVP**
Osteogenesis Imperfecta Type 1
Type of OI with MVP
OI 1
beaded ribs
Osteogenesis Imperfecta Type II
Crumpled humeri
Osteogenesis Imperfecta Type II
“reticulate grey brown hyperpigmentaion of the neck and face”
Dyskeratosis Congenita
- poikiloderma of the face, trunk, thighs
- nail dystrophy (pterygium)
- premalignant leukoplakia of the buccal mucosa
- frictional bulla
- PPK
- bone marrow failure
- increased risk of CA
Major cause of mortality in Dyskeratosis Congenita
Bone marrow failure! 90%!!!! (anemia, thrombocytopenia)
Premalignant leukoplakia
Dyskeratosis Congenita
Non premalignant oral leukoplakia
Pachonychia Congenita (vs Dyskeratosis Congenita which has PREMALIGNANT oral leukoplakia)
mental retardation poikiloderma nail dystrophy weird tongue lesion thrombocytopenia dental carries with loss of teeth PPK
Dyskeratosis Congenita
- pterygium (nail dystrophy)
- thrombocytopenia
- poikiloderma
- oral premalignant leukoplakia
Zinsser-Engman-Cole Syndrome
Dyskeratosis Congenita
Genoderm characterized by short telomeres
Dyskeratosis Congenita
clumped tonofiliments
EM finding seen in Dowling Maera Type EBS
grouped or herpetiform blisters at birth hoarseness PPK mucosal membrane/laryngeal involvement nail dystrophy early death
Dowling-Maera EBS
Other name for EB Herpetiformis
Dowling-Maera
What finding to do you see on EM in Dowling Maera EBS?
clumped tonofilaments
What is the only EBS that is not AD transmitted?
EB with muscular dystrophy (AR) defect in plectin
Which two types of EBS heal WITHOUT scarring?
Localized EBS (Weber-Cockayne) Generalized EBS (Koebner)
Where is the split in EBS?
BASAL LAYER
Where is the split in Junctional EB?
Lamina Lucida (BMZ)
Where is the split in Junctional EB?
Sublamina Densa (Dermal)
Type of EB with “exuberant granulation tissue”
Herlitz (EB Lethalis)
severe widespread bulla from birth exuberant granulation tissue enamel defects absent nails early death
Herlitz Junctional EB (EB Lethalis)
type of EB which heals with “atrophic scarring”
and
“scarring alopecia”
Non-Herliz Junctional EB (Generalized Atrophic Benign EB)
widespread bulla at birth heals with atrophic scarring scarring alopecia nail dystrophy improves with time
Non-Herlitz Junctional EB (Generalized Atrophic Benign EB)
What other physical exam finding does EB with pyloric atresia have?
Hydronephrosis
An EB patient gets hydronephrosis. What type EB does he have?
Junctional EB with pyloric atresia
An EB pt gets hydronephrosis - what is the gene defect?
alpha-6-beta-4 integrin. This is Junctional EB with pyloric atresia
Mode of inheritance for all of the Junctional EBs?
AR
Hallopeau-Siemens
Recessive Dystrophic EB
Autosomal Recessive
Hallopeau-Siemens inheritance pattern and gene defect:
AR and defect in Collagen Type VII
Dystrophic EB split
Dermal - sublamina densa (Collgen Type VII)
Name the two AR Dystrophic EB types
Hallopeau-Siemens
Non-Hallopeau Siemens
Which dystrophic EB is due to a premature termination codon?
Hallopeau-Siemens
Which two types of EB are due to premature stop codons?
Hallopeau-Siemens &
Herlitz (EB Lethalis)
severe widespread bulla at birth heals with atrophic scarring on hands and feet = "mitten deformity" milia nail dystrophy mucosal strictures oral, esophageal, cutaneous SCCs
Hallopeau-Siemens Dystrophic EB
mitten deformity
Hallopeau-Siemens Dystrophic EB
what type of cancers are kids with Hallopeau-Siemens disorder at risk for?
SCCs - Oral, esophageal, cutaneous SCCs
where are the skin changes in non-Hallopeau Siemens located?
Less severe form of HS Dystrophic EB with skin changes localized to acral bony prominences
Cockayne-Touraine
Dystrophic EB with bullae on extremities, heal with milea, atrophic scars/keloids, nail dystrophy
Pasini Varient
Dystrophic EB - like Cockayne-Touraine but with albo-papuloid lesions (white perifollicular papules which slowly enlarge)
gene defect in Pasini Variant of EB?
AD
Type VII Collagen
“albo-papuloid lesions”
Pasini Variant of EB Dystrophic
white perifollicular papules on the hands, sacrum, which slowly enlarge. been there since young childhood
albopapuloid lesions in Pasini variant dystrophic EB (also called dominant dystrophic EB)
Ankyloblepharon
erosive scalp dermatitis
cleft lip
Hay Wells Syndrome (AEC)
one of the ectodermal dysplasias
mutation in p63
dermatofibrosis lenticularis disseminata
elastomas/connective tissue nevi found in Buscke-Ollendorf Syndrome
osteopokilosis
ectopic calcifications in the bone; found in Buscke-Ollendorf Syndrome
are the osteopoikilosis in Buscke-Ollendorf Syndrome prone to fracture?
NO they are not
multiple yellow papules on the trunk, buttocks, arms that look like elastomas
weird ectopic bone tissue that is not prone to fracture
Buscke-Ollendorf Syndrome
Xeroderma Pigmentosum has early onset of which skin malignancy?
ALL OF THEM! EVENLY!
caused by a defect in nucleotide excision repair pathway
XP
solar lentigo by age 2
XP
lentigos plus a bunch of ocular abnormalities
(photophobia, keratitis, corneal opacification, vascularization)
progressive deafness
XP
what type of deafness is associated with XP?
PROGRESSIVE deafness (not born that way)
What kind of neurologic abnormalities do pts with XP have?
trick question: NO neuorologic abnormalities
the type of XP that does have severe neurologic abnormalities
DeSanctis-Cacchione syndrome
DeSanctis-Cacchione syndrome
The type of XP that does have severe neurologic abnormalities, plus deafness and ataxia
Name the findings in Gorlin syndrome
multiple BCCs (duh)
odontogenic cysts
calcification of the falx cerebri
dental enamel pits
Sprengel deformity
Basal Cell Nevus Syndrome (Gorlin)
sprengle deformity is congenital elevation of the scapula
atrophoderma vermiculata
Rombo syndrome
atrophoderma vermiculata BCC loss of lateral eyebrows peripheral venous dilitation blue lips acral erythema
Rombo syndrome
Multiple small eruptive KAs that appear like milia then regress
Gryzbowski KA syndrome
Sign of Leser Trelat
acute eruption of SKs signaling internal malignancy (most common GI adenocarcinoma, breast, or leukemia)
How much increase in SCC risk is there for immunosuppressed/transplant pts?
65%
65%SCC
10%BCC
4.5Melanoma
This lesion from birth may represent a mosaic form of Apert syndrome
Nevus Comedomicus
Nevus Comedomicus associated with what syndrome?
Apert syndrome
hypotrichosis diffuse ppk nail dystrophy -milky white NORMAL teeth and sweating MR, ocular abnormalities
Claustons’ Hidrotic Ectodermal Dysplasia
-defect in connexin 30 GJB6 (gap junction B6)
kid with tons of lentigos in the month
intususseption
Peutz Jeghers syndrome
STK11
mucocutaneous lentigenes, intestinal polyposis, intussusception, various malignancies
multiple lentigenies
penis lentigos
lipomas
hemangiomas
Bannayan-Riley-Ruvalcaba Syndrome
PTEN
Brooke-Spiegler
Trichoeps + cylindromas
Brooke-Fordyce
AD Multiple Trichoepitheliomas
Rombo syndrome
Trichoeps BCC milia atrophoderma vasodilation with cyanosis
Birt-Hogg-Dube syndrome systemic symptoms
spontaneous pnuemothorax
renal oncocytomas
chromophone RCC
person with multiple fibrofolliculomas, trichodiscs, skin tags. What else should you order for them?
Chest XRAY (spontaneous pneumothorax) Abdominal CT( check for renal oncocytomas, chromophobe RCC)
A person has kidney cancer, multiple skin tags and little skin nodules, and is now short of breath. what could it be?
Birt Hogg Dube syndrome
multiple trichodisc, fibrofolliculomas, acrochordons, chromophobe RCC, renal oncocytoma, and SPONTANEOUS PNEUMOTHORAX!)
Disorder with multiple lentigenes, lipomas, and hemangiomas
Bannayan-Riley-Ruvalcaba Syndrome (PTEN)
Mucocutaneous lentigenes, genital lentigenes, longitudinal melanonychia
Laugier-Hunziker Syndrome
Which PPV have congenital dermal melanocytosis?
Types II and IV
Type of EB associated with deafness
Dowling-Meara = EBS Herpetiformis
EB associated with deafness
Dowling Meara (EBS Herpetiformis)
EB associated with clumped tonofilaments
EBS Herpetiformis (Dowling-Meara)
EBS with reticulated hyperpigmentation over the trunk
EBS with Mottled pigmentation (AR with mutation in K5)
EB with exuberant granulation tissue
JEB Herlitz type (ED lethalis) *one of the ones with premature termination codon
Kind of EB with defect in Type VII Collagen
Dystrophic EBs (defect in the Sublamina Densa)
Bloch-Sulzbergers syndrome
Incontinentia Pigmenti
genoderm with sporadic inheritance pattern
ovarian cystadenomas
Proteus syndrome