• 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
* Elastin in AD
Cutis Laxa
* ABCC6
PXE
PXE
* CAD
EPS
– Blue sclera
– Fractures, joints and teeth
– Bruising
– Hearing loss
• Type I—mild/moderate
Osteogenesis Imperfecta
* 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
* 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
Cobb Syndrome
* PTEN
Proteus
Proteus
* LEMD
Buchke-Ollendorf
* Osteopoikilosis
Buchke-Ollendorf
Focal Dermal Hypoplasia (Goltz)
• Decreased B cells
• RA-like disease
• Infections
– Echovirus and DM-like syndrome
XL Agammaglobulinemia (Bruton’s)
Lenier’s
• Il-2R gamma or Adenosine deaminase deficiency (ADA)
SCID