Important combinations …
Raynaud’s+ dysphagia and evidence of lung fibrosis >>> systemic sclerosis ( Anti Scl 70)
Raynaud’s+ dysphagia+ telengectasia >>> CREST ( Anti centromere )
Raynaud’s+ photosensitive rash + polyarthralgia>> SLE ( ANA positive ) .
Bilateral small joint stiffness sparing DIP joints + RF or CPP positive >>> RA .
DVT or thrombosis in abnormal site + rec orogenital ulcer >>> Behcet disease ( pathergy test)
Arthritis + crusted lesions on palms and soles( keratoderma blenorrhagica ) >>>> Reiter disease .
Photosensitive rash + negative ANA and positive Anti histone >>> drug induced lupus
Arthritis involving DIP joints + scaly rash on extensor surfaces >>> Psoriatic arthropathy .
Raynaud’s+ polyarthralgia + rash+ myositis + dysphagia>>> mixed connective tissue disease ( Anti RNP) .
Painful shoulders and pelvis + jaw claudication >>> polymyalgis Rheumatica ( high ESR) .
Unequal BL pr + UL limb claudication + rec TIA>>> Takayasu arteritis