الفهرس 
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Abstract
Psoriasis is one of the most common clinical dermatological
conditions. It is important to recognize that psoriasis is a term that
includes a spectrum of disease ranging from localized plaques to more
severe generalized involvement, with or without PsA and the associated
manifestations of other autoimmune diseases.
PsA is a common autoimmune inflammatory condition affecting
the joints and entheses of patients with psoriasis. While the prevalence of
arthritis in the general population is estimated at 2-3%, in patients with
psoriasis it varies from 7 to 42%. Although arthritis usually develops in a
setting of an established diagnosis of psoriasis, some patients may be
unaware that they have psoriasis, or psoriasis may develop after the onset
of arthritis.
The present study was conducted on 100 patients suffering from
psoriasis they were divided according to the presence or absence of
rheumatic manifestations: (42) patients with no rheumatic manifestations,
(40) patients with PsA diagnosed according to CASPAR criteria of
diagnosis of PsA and (18) patients with other rheumatic manifestations.
All patients were subjected to the following:
7) Full medical history taking
8) Clinical examination
d. General examination
e. Locomotor examination
f. Dermatological examination
9) Laboratory investigation
e. Estimated Sedimentation Rate (by Westergren method)
f. Complete Blood Count
g. Rheumatoid Factor (by Rose Waaler method)
h. C-Reactive Protein
10) Radiological investigation
d. Plain x-ray both hands
e. Plain x-ray of pelvis and sacroiliac joint
f. Plain x-ray of both feet
11) Disease assessment
c. PASI score for psoriasis severity
d. Moll and Wright criteria for PsA type
12) Statistical analysis of the data