Primary<unk><unk>  or idiopathic<unk>  Phenomenon)
Symptoms without an associated disorder
Secondary (associated with another illness, i.e. SLE or Scleroderma)
Symptoms without an associated disorder
Raynaud’s disease
Primary 
Peripheral artery disease
Symptoms without an associated disorder
Polyarteritis nodosa
Secondary 
Takayasu arteritis
Popliteal cyst