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char = s;code = 115
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char = ?;code = 63
result sql = Do the radiological changes of classic ankylosing spondylitis differ from the changes found in the spondylitis associated with inflammatory bowel disease, psoriasis, and reactive arthritis?
Do the radiological changes of classic ankylosing spondylitis differ from the changes found in the spondylitis associated with inflammatory bowel disease, psoriasis, and reactive arthritis?
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char = I;code = 73
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char = o;code = 111
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = t;code = 116
char = h;code = 104
char = r;code = 114
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = B;code = 66
char = l;code = 108
char = i;code = 105
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = i;code = 105
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = d;code = 100
char = i;code = 105
char = o;code = 111
char = g;code = 103
char = r;code = 114
char = a;code = 97
char = p;code = 112
char = h;code = 104
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = t;code = 116
char = a;code = 97
char = k;code = 107
char = e;code = 101
char = n;code = 110
char = ,;code = 44
char = ;code = 32
char = s;code = 115
char = c;code = 99
char = o;code = 111
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ,;code = 44
char = ;code = 32
char = s;code = 115
char = y;code = 121
char = m;code = 109
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = r;code = 114
char = y;code = 121
char = ,;code = 44
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = a;code = 97
char = v;code = 118
char = e;code = 101
char = r;code = 114
char = t;code = 116
char = e;code = 101
char = b;code = 98
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = o;code = 111
char = s;code = 115
char = s;code = 115
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ,;code = 44
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = z;code = 122
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = s;code = 115
char = y;code = 121
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = s;code = 115
char = m;code = 109
char = o;code = 111
char = p;code = 112
char = h;code = 104
char = y;code = 121
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = g;code = 103
char = a;code = 97
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = c;code = 99
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ,;code = 44
char = ;code = 32
char = s;code = 115
char = q;code = 113
char = u;code = 117
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ,;code = 44
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = s;code = 115
char = c;code = 99
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = p;code = 112
char = s;code = 115
char = e;code = 101
char = u;code = 117
char = d;code = 100
char = o;code = 111
char = f;code = 102
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = u;code = 117
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = z;code = 122
char = y;code = 121
char = g;code = 103
char = o;code = 111
char = a;code = 97
char = p;code = 112
char = o;code = 111
char = p;code = 112
char = h;code = 104
char = y;code = 121
char = s;code = 115
char = e;code = 101
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = j;code = 106
char = o;code = 111
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = v;code = 118
char = o;code = 111
char = l;code = 108
char = v;code = 118
char = e;code = 101
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = p;code = 112
char = l;code = 108
char = e;code = 101
char = t;code = 116
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = k;code = 107
char = y;code = 121
char = l;code = 108
char = o;code = 111
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = >;code = 62
char = R;code = 82
char = E;code = 69
char = S;code = 83
char = U;code = 85
char = L;code = 76
char = T;code = 84
char = S;code = 83
char = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = C;code = 67
char = o;code = 111
char = m;code = 109
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = s;code = 115
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = u;code = 117
char = r;code = 114
char = ;code = 32
char = g;code = 103
char = r;code = 114
char = o;code = 111
char = u;code = 117
char = p;code = 112
char = s;code = 115
char = -;code = 45
char = -;code = 45
char = c;code = 99
char = l;code = 108
char = a;code = 97
char = s;code = 115
char = s;code = 115
char = i;code = 105
char = c;code = 99
char = ,;code = 44
char = ;code = 32
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = o;code = 111
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = c;code = 99
char = ,;code = 44
char = ;code = 32
char = p;code = 112
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = A;code = 65
char = S;code = 83
char = -;code = 45
char = -;code = 45
char = s;code = 115
char = h;code = 104
char = o;code = 111
char = w;code = 119
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = s;code = 115
char = y;code = 121
char = m;code = 109
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = s;code = 115
char = a;code = 97
char = c;code = 99
char = r;code = 114
char = o;code = 111
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = s;code = 115
char = y;code = 121
char = m;code = 109
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = r;code = 114
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = b;code = 98
char = a;code = 97
char = r;code = 114
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = i;code = 105
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = v;code = 118
char = o;code = 111
char = l;code = 108
char = v;code = 118
char = e;code = 101
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = e;code = 101
char = q;code = 113
char = u;code = 117
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = z;code = 122
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = s;code = 115
char = y;code = 121
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = s;code = 115
char = m;code = 109
char = o;code = 111
char = p;code = 112
char = h;code = 104
char = y;code = 121
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = Z;code = 90
char = y;code = 121
char = g;code = 103
char = o;code = 111
char = a;code = 97
char = p;code = 112
char = o;code = 111
char = p;code = 112
char = h;code = 104
char = y;code = 121
char = s;code = 115
char = e;code = 101
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = j;code = 106
char = o;code = 111
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = v;code = 118
char = o;code = 111
char = l;code = 108
char = v;code = 118
char = e;code = 101
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = e;code = 101
char = q;code = 113
char = u;code = 117
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = b;code = 98
char = a;code = 97
char = r;code = 114
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = l;code = 108
char = a;code = 97
char = s;code = 115
char = s;code = 115
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = o;code = 111
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = o;code = 111
char = n;code = 110
char = d;code = 100
char = y;code = 121
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = b;code = 98
char = u;code = 117
char = t;code = 116
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = t;code = 116
char = w;code = 119
char = e;code = 101
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = g;code = 103
char = r;code = 114
char = o;code = 111
char = u;code = 117
char = p;code = 112
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = e;code = 101
char = c;code = 99
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = s;code = 115
char = y;code = 121
char = m;code = 109
char = p;code = 112
char = h;code = 104
char = i;code = 105
char = s;code = 115
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = s;code = 115
char = q;code = 113
char = u;code = 117
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = p;code = 112
char = o;code = 111
char = p;code = 112
char = h;code = 104
char = y;code = 121
char = s;code = 115
char = e;code = 101
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = j;code = 106
char = o;code = 111
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = v;code = 118
char = o;code = 111
char = l;code = 108
char = v;code = 118
char = e;code = 101
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = g;code = 103
char = a;code = 97
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = c;code = 99
char = i;code = 105
char = f;code = 102
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = l;code = 108
char = u;code = 117
char = m;code = 109
char = b;code = 98
char = a;code = 97
char = r;code = 114
char = ;code = 32
char = s;code = 115
char = p;code = 112
char = i;code = 105
char = n;code = 110
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = .;code = 46
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = r;code = 114
char = /;code = 47
char = >;code = 62
char = <;code = 60
char = b;code = 98
char = >;code = 62
char = C;code = 67
char = O;code = 79
char = N;code = 78
char = C;code = 67
char = L;code = 76
char = U;code = 85
char = S;code = 83
char = I;code = 73
char = O;code = 79
char = N;code = 78
char = S;code = 83
char = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = S;code = 83
char = o;code = 111
char = m;code = 109
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = d;code = 100
char = i;code = 105
char = o;code = 111
char = l;code = 108
char = o;code = 111
char = g;code = 103
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = e;code = 101
char = s;code = 115
char = c;code = 99
char = r;code = 114
char = i;code = 105
char = b;code = 98
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = M;code = 77
char = c;code = 99
char = E;code = 69
char = w;code = 119
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = e;code = 101
char = t;code = 116
char = ;code = 32
char = a;code = 97
char = l;code = 108
char = ,;code = 44
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = t;code = 116
char = a;code = 97
char = b;code = 98
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = y;code = 121
char = m;code = 109
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = r;code = 114
char = y;code = 121
char = ,;code = 44
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = l;code = 108
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = s;code = 115
char = t;code = 116
char = i;code = 105
char = n;code = 110
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = y;code = 121
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = s;code = 115
char = m;code = 109
char = o;code = 111
char = p;code = 112
char = h;code = 104
char = y;code = 121
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = s;code = 115
char = o;code = 111
char = r;code = 114
char = i;code = 105
char = a;code = 97
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = ,;code = 44
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = f;code = 102
char = i;code = 105
char = r;code = 114
char = m;code = 109
char = e;code = 101
char = d;code = 100
char = .;code = 46
char = ;code = 32
char = A;code = 65
char = ;code = 32
char = n;code = 110
char = u;code = 117
char = m;code = 109
char = b;code = 98
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = p;code = 112
char = h;code = 104
char = y;code = 121
char = p;code = 112
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = s;code = 115
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = p;code = 112
char = o;code = 111
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = p;code = 112
char = l;code = 108
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = f;code = 102
char = f;code = 102
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = c;code = 99
char = l;code = 108
char = u;code = 117
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = b;code = 98
char = i;code = 105
char = o;code = 111
char = m;code = 109
char = e;code = 101
char = c;code = 99
char = h;code = 104
char = a;code = 97
char = n;code = 110
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = ,;code = 44
char = ;code = 32
char = b;code = 98
char = i;code = 105
char = o;code = 111
char = c;code = 99
char = h;code = 104
char = e;code = 101
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = g;code = 103
char = e;code = 101
char = n;code = 110
char = e;code = 101
char = t;code = 116
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = f;code = 102
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = o;code = 111
char = r;code = 114
char = s;code = 115
char = .;code = 46
result sql = OBJECTIVE : In 1971 McEwen and colleagues suggested that the radiological changes of classic ankylosing spondylitis (AS), and the changes of the spondylitis associated with inflammatory bowel disease differ in several respects from the radiological features of psoriatic and reactive spondylitis. The findings of this study have never been confirmed. The aim of this study was to replicate the McEwen study comparing films blinded to diagnostic group.

METHODS : The study population comprised 91 patients with classic AS, 15 patients with regional enteritis, 16 patients with ulcerative colitis, five patients with sexually acquired reactive arthritis, two with post-dysenteric arthritis, and 34 with psoriatic arthritis. Blinded reading of spinal radiographs was undertaken, scoring for severity, symmetry, paravertebral ossification, size of syndesmophytes, ligamentous calcification, squaring, discitis, pseudofractures, zygoapophyseal joint involvement, and complete ankylosis.

RESULTS : Comparison of the four groups--classic, enteropathic, psoriatic, and reactive AS--showed differences with respect to symmetry of sacroiliitis, symmetry of lumbar spinal involvement, and frequency and size of syndesmophytes. Zygoapophyseal joint involvement was more frequent in the lumbar spine in classic and enteropathic spondylitis but no between group differences were found with respect to symphisitis, squaring, apophyseal joint involvement and ligamentous calcification in the lumbar spine, and other areas.

CONCLUSIONS : Some of the radiological differences described by McEwen et al, notably the asymmetry, the less severe changes, and the distinctive syndesmophytes in psoriasis, have been confirmed. A number of phypotheses are proposed to explain these differences including biomechanical, biochemical, and genetic factors.

Publication: Ann. Rheum. Dis. 1998 Mar ;57(3)::135-40.
Publication Date: 1998 Mar
Study Author(s): Helliwell, P S;Hickling, P;Wright, V;
Institution: Rheumatology and Rehabilitation Research Unit, University of Leeds.
Shortcut link to this study:
OBJECTIVE : In 1971 McEwen and colleagues suggested that the radiological changes of classic ankylosing spondylitis (AS), and the changes of the spondylitis associated with inflammatory bowel disease differ in several respects from the radiological features of psoriatic and reactive spondylitis. The findings of this study have never been confirmed. The aim of this study was to replicate the McEwen study comparing films blinded to diagnostic group.

METHODS : The study population comprised 91 patients with classic AS, 15 patients with regional enteritis, 16 patients with ulcerative colitis, five patients with sexually acquired reactive arthritis, two with post-dysenteric arthritis, and 34 with psoriatic arthritis. Blinded reading of spinal radiographs was undertaken, scoring for severity, symmetry, paravertebral ossification, size of syndesmophytes, ligamentous calcification, squaring, discitis, pseudofractures, zygoapophyseal joint involvement, and complete ankylosis.

RESULTS : Comparison of the four groups--classic, enteropathic, psoriatic, and reactive AS--showed differences with respect to symmetry of sacroiliitis, symmetry of lumbar spinal involvement, and frequency and size of syndesmophytes. Zygoapophyseal joint involvement was more frequent in the lumbar spine in classic and enteropathic spondylitis but no between group differences were found with respect to symphisitis, squaring, apophyseal joint involvement and ligamentous calcification in the lumbar spine, and other areas.

CONCLUSIONS : Some of the radiological differences described by McEwen et al, notably the asymmetry, the less severe changes, and the distinctive syndesmophytes in psoriasis, have been confirmed. A number of phypotheses are proposed to explain these differences including biomechanical, biochemical, and genetic factors.
PMID: 9640127

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