ctd Flashcards
• AR/AD/X-Recessive (lysyl oxidase, allelic to EDS9 and Menkes), acquired (Marshall syndrome).
Cutis Laxa
• Loose skin, GI and GU diverticuli, vascular anomalies, hernias
• Lax joints
• Pulmonary emphysema
PXE
Cutis Laxa
- FBLN5 gene defect in AR
* Elastin in AD
Cutis Laxa
- AD/AR
* ABCC6
PXE
- Yellowish papules on lips, flexures, periumbilical region
- Peau d’orange
- Angioid streaks, claudication, GI hemorrhage, increased rate 1st trimester miscarriage, GU bleeds
- HTN from renal artery involvement
PXE
- Angioid streaks, blue sclera
* CAD
EPS
– Blue sclera
– Fractures, joints and teeth
– Bruising
– Hearing loss
• Type I—mild/moderate
Osteogenesis Imperfecta
- AD for all
* Col1α1 defect
Osteogenesis Imperfecta
• Easy bruising, blue sclera, fractures, MVP
Osteogenesis Imperfecta
– Blue sclera
– Short trunk
– Fractures in utero
• Type II—severe Osteogenesis Imperfecta
– Teeth
– Limb shortening
– Fracture in utero
• Type III Osteogenesis Imperfecta
– Teeth in subtype B not A
– Mild without bleeding or hearing loss
– Fractures during infancy
• Type IV Osteogenesis Imperfecta
- XLD
* Linear, atrophic, hyperpigmented lesions with fat herniations
Focal Dermal Hypoplasia (Goltz)
• Nevus flammeus, epidermal nevi, mongolian spots
Phakomatosis Pigmentovascularis
• Unknown cause – May be an angiogenic factor • Limb enlargement due to vascular and lymphatic malformations • Usually UL • Hypertrophy of underlying tissue
Klippel-Trenauney
- Sporadic
- Capillary malformations over spine
- CNS defects
Cobb Syndrome
- Sporadic
* PTEN
Proteus
- CT nevi, malformations, bony lesions
- Enchondromas
- Disproportionate growth
- May be disfiguring like the “Elephant man”
Proteus
- AD
* LEMD
Buchke-Ollendorf
- Collagenomas (dermatofibrosis lenticularis disseminata)
* Osteopoikilosis
Buchke-Ollendorf
- Oral and skin papillomas
- Alopecia
- Eye and teeth defects
- Osteopathia striata
- Genitalia and kidney defects
Focal Dermal Hypoplasia (Goltz)
• Decreased B cells
• RA-like disease
• Infections
– Echovirus and DM-like syndrome
XL Agammaglobulinemia (Bruton’s)
- Seb derm
- Diarrhea
- Failure to thrive
- Gram—and candidal infections
Lenier’s
• Il-2R gamma or Adenosine deaminase deficiency (ADA)
SCID
- Seborrheic dermatitis
- Candida
- Deficient thymus (shadow on X-ray)
SCID
• AD Severe AD • Abscesses • Coarse face • Retention of primary teeth (double row) • Skeletal anomalies • Elevated IgE with eosinophils
Hyper IgE Syndrome
- Exfoliative dermatitis
- Thrombocytopenia
- Infection
- Leukemia, lymphoma
- Decreased IgM/G
- Increased IgA, E, D
Wiscott-Aldrich
- XLR
* WAS gene
Wiscott-Aldrich
- B2-integrin deficiency
* Delayed umbilical separation
LAD-1
- XLR
* Gp91phox defect
CGD