connective tissues disorders Flashcards
what populations have the highest prevelens of systematic lupus Erythematosus
1.Afro-Caribbean
2. Asian
3. caucasian
SLE is more prevalent in males or females
Females
-90% affected are female
what is the genetic association of lupus
HLA: DR2, DR3
what is the signature rash of acute SLE
butterfly/malar rash and a discoid rash
malar rash has sparing of nasolabial folds
What are some SLE criteria to diagnose from
4 or more of
- malar rash
- discoid rash
- photosensitivity
- oral ulcers
- arthitis
- serositis
- renal disorders
- haematological disorders
- neurological disorders
- immunologic disorder
- Ana test - Anti nuclear antibodies
what are the inherited connective tissues disorders
marfans
eds
osteogenesis imperfecta
what are some signs of marfans
pectus excavatun
mitral valcer prolapse
arachnodactlyly
what are some signs of EDS
stretchy skin
hypermobille joints
list some autoimmune Connective tissie disorders
- SLE
- Primary Sjögren’s Syndrome
- Dermatomyositis/ Polymyositis
- Systematic sclerosis
what is the difference between primary and secondary raynauds
primary - no known cause
Secondary
what are the clinical signs of dermatomuositis
heliotrioe rash
gottron papules
what are investigations for dermatomyositis
- Muscle menxymes -ck
- Antibody screen
- EMG
- biopsies
- malignancy screen - PET