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result sql = The endoscopic transnasal transsphenoidal approach for the treatment of cranial base chordomas and chondrosarcomas.
The endoscopic transnasal transsphenoidal approach for the treatment of cranial base chordomas and chondrosarcomas.
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char = r;code = 114
char = n;code = 110
char = o;code = 111
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = i;code = 105
char = n;code = 110
char = u;code = 117
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 = P;code = 80
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = l;code = 108
char = l;code = 108
char = o;code = 111
char = w;code = 119
char = -;code = 45
char = u;code = 117
char = p;code = 112
char = ;code = 32
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = o;code = 111
char = d;code = 100
char = s;code = 115
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = g;code = 103
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = r;code = 114
char = o;code = 111
char = m;code = 109
char = ;code = 32
char = 1;code = 49
char = 5;code = 53
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = 6;code = 54
char = 9;code = 57
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = h;code = 104
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = m;code = 109
char = e;code = 101
char = a;code = 97
char = n;code = 110
char = ,;code = 44
char = ;code = 32
char = 2;code = 50
char = 7;code = 55
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = );code = 41
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = r;code = 114
char = e;code = 101
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = o;code = 111
char = r;code = 114
char = d;code = 100
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = g;code = 103
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = t;code = 116
char = ;code = 32
char = 2;code = 50
char = 0;code = 48
char = ,;code = 44
char = ;code = 32
char = 1;code = 49
char = 4;code = 52
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = 1;code = 49
char = 0;code = 48
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = h;code = 104
char = s;code = 115
char = ,;code = 44
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 = i;code = 105
char = v;code = 118
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = f;code = 102
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = e;code = 101
char = n;code = 110
char = d;code = 100
char = o;code = 111
char = s;code = 115
char = c;code = 99
char = o;code = 111
char = p;code = 112
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = t;code = 116
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = t;code = 116
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = .;code = 46
char = ;code = 32
char = O;code = 79
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = i;code = 105
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = w;code = 119
char = o;code = 111
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = c;code = 99
char = u;code = 117
char = r;code = 114
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 = 59
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = i;code = 105
char = r;code = 114
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = n;code = 110
char = e;code = 101
char = w;code = 119
char = ;code = 32
char = e;code = 101
char = n;code = 110
char = d;code = 100
char = o;code = 111
char = s;code = 115
char = c;code = 99
char = o;code = 111
char = p;code = 112
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = a;code = 97
char = p;code = 112
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = a;code = 97
char = c;code = 99
char = h;code = 104
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = s;code = 115
char = e;code = 101
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = d;code = 100
char = ,;code = 44
char = ;code = 32
char = 1;code = 49
char = ;code = 32
char = y;code = 121
char = e;code = 101
char = a;code = 97
char = r;code = 114
char = ;code = 32
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = t;code = 116
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 = 109
char = e;code = 101
char = a;code = 97
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = f;code = 102
char = a;code = 97
char = r;code = 114
char = ;code = 32
char = l;code = 108
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = p;code = 112
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = a;code = 97
char = c;code = 99
char = h;code = 104
char = .;code = 46
char = ;code = 32
char = F;code = 70
char = o;code = 111
char = u;code = 117
char = r;code = 114
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = e;code = 101
char = n;code = 110
char = t;code = 116
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 = w;code = 119
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = s;code = 115
char = t;code = 116
char = o;code = 111
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = t;code = 116
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = a;code = 97
char = m;code = 109
char = ;code = 32
char = r;code = 114
char = a;code = 97
char = d;code = 100
char = i;code = 105
char = o;code = 111
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = p;code = 112
char = y;code = 121
char = ,;code = 44
char = ;code = 32
char = w;code = 119
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = u;code = 117
char = n;code = 110
char = d;code = 100
char = e;code = 101
char = r;code = 114
char = w;code = 119
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = a;code = 97
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = v;code = 118
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = g;code = 103
char = a;code = 97
char = v;code = 118
char = o;code = 111
char = l;code = 108
char = t;code = 116
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = ;code = 32
char = x;code = 120
char = -;code = 45
char = r;code = 114
char = a;code = 97
char = d;code = 100
char = i;code = 105
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = p;code = 112
char = y;code = 121
char = .;code = 46
char = ;code = 32
char = H;code = 72
char = o;code = 111
char = w;code = 119
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = r;code = 114
char = ,;code = 44
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = s;code = 115
char = t;code = 116
char = o;code = 111
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = v;code = 118
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 = t;code = 116
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = p;code = 112
char = y;code = 121
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = n;code = 110
char = o;code = 111
char = t;code = 116
char = ;code = 32
char = a;code = 97
char = d;code = 100
char = m;code = 109
char = i;code = 105
char = n;code = 110
char = i;code = 105
char = s;code = 115
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = d;code = 100
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 = t;code = 116
char = w;code = 119
char = o;code = 111
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = r;code = 114
char = e;code = 101
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = c;code = 99
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = b;code = 98
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = o;code = 111
char = n;code = 110
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = s;code = 115
char = a;code = 97
char = r;code = 114
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = a;code = 97
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 = ;code = 32
char = :;code = 58
char = ;code = 32
char = <;code = 60
char = /;code = 47
char = b;code = 98
char = >;code = 62
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = l;code = 108
char = e;code = 101
char = x;code = 120
char = i;code = 105
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = i;code = 105
char = t;code = 116
char = y;code = 121
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = n;code = 110
char = e;code = 101
char = w;code = 119
char = ;code = 32
char = t;code = 116
char = e;code = 101
char = c;code = 99
char = h;code = 104
char = n;code = 110
char = i;code = 105
char = q;code = 113
char = u;code = 117
char = e;code = 101
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 = t;code = 116
char = h;code = 104
char = e;code = 101
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 = a;code = 97
char = l;code = 108
char = ;code = 32
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = r;code = 114
char = o;code = 111
char = s;code = 115
char = c;code = 99
char = o;code = 111
char = p;code = 112
char = i;code = 105
char = c;code = 99
char = ;code = 32
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = s;code = 115
char = s;code = 115
char = p;code = 112
char = h;code = 104
char = e;code = 101
char = n;code = 110
char = o;code = 111
char = i;code = 105
char = d;code = 100
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = a;code = 97
char = p;code = 112
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = a;code = 97
char = c;code = 99
char = h;code = 104
char = ;code = 32
char = p;code = 112
char = e;code = 101
char = r;code = 114
char = m;code = 109
char = i;code = 105
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = h;code = 104
char = o;code = 111
char = r;code = 114
char = i;code = 105
char = z;code = 122
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = r;code = 114
char = g;code = 103
char = i;code = 105
char = c;code = 99
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = m;code = 109
char = a;code = 97
char = n;code = 110
char = a;code = 97
char = g;code = 103
char = e;code = 101
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = a;code = 97
char = g;code = 103
char = g;code = 103
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = s;code = 115
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = c;code = 99
char = r;code = 114
char = a;code = 97
char = n;code = 110
char = i;code = 105
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = b;code = 98
char = a;code = 97
char = s;code = 115
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = u;code = 117
char = m;code = 109
char = o;code = 111
char = r;code = 114
char = s;code = 115
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = c;code = 99
char = h;code = 104
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = c;code = 99
char = l;code = 108
char = i;code = 105
char = v;code = 118
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = o;code = 111
char = r;code = 114
char = d;code = 100
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = s;code = 115
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = c;code = 99
char = h;code = 104
char = o;code = 111
char = n;code = 110
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = s;code = 115
char = a;code = 97
char = r;code = 114
char = c;code = 99
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = s;code = 115
char = .;code = 46
result sql = OBJECTIVE : We report our experience with endoscopic transsphenoidal or extended endoscopic transsphenoidal approaches for the treatment of cranial base lesions such as clival chordomas and chondrosarcomas.

METHODS : Between May 1998 and April 2004, 11 patients (four were recurrences because they previously had been treated with surgery and/or radiotherapy) underwent transnasal transsphenoidal endoscopic surgery for cranial base chordomas and chondrosarcomas at the Neurosurgical Department of Bellaria Hospital in Bologna. The transsphenoidal endoscopic approach and the ethmoid-pterygo-sphenoidal endoscopic approach were used to accomplish resection of the lesions involving the clivus and extending up to the parasellar region and to the petrous apex, or within the cavernous sinus.

RESULTS : Patient follow-up periods ranged from 15 to 69 months (mean, 27 mo). Three patients died of chordoma progression at 20, 14, and 10 months, respectively, after endoscopic treatment. One patient experienced two recurrences; the first was treated using a new endoscopic approach, whereas the second, 1 year later, was treated by means of a far lateral approach. Four patients underwent postoperative proton beam radiotherapy, whereas one underwent a conventional megavoltage x-radiation therapy. However, postoperative radiotherapy was not administered in the two patients treated for cranial base chondrosarcoma.

CONCLUSION : The flexibility of this new technique with respect to the classical microscopic transsphenoidal approach permits us to widen the horizon of surgical management of aggressive cranial base tumors such as clival chordomas and chondrosarcomas.

Publication: Neurosurgery 2006 Jul ;59(1 Suppl 1)::ONS50-7; discussion ONS50-7.
Publication Date: 2006 Jul
Study Author(s): Frank, Giorgio;Sciarretta, Vittorio;Calbucci, Fabio;Farneti, Giovanni;Mazzatenta, Diego;Pasquini, Ernesto;
Institution: Department of Neurosurgery, Bellaria Hospital, Azienda Unita Santiaria Locale Città di Bologna, Bologna, Italy.
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OBJECTIVE : We report our experience with endoscopic transsphenoidal or extended endoscopic transsphenoidal approaches for the treatment of cranial base lesions such as clival chordomas and chondrosarcomas.

METHODS : Between May 1998 and April 2004, 11 patients (four were recurrences because they previously had been treated with surgery and/or radiotherapy) underwent transnasal transsphenoidal endoscopic surgery for cranial base chordomas and chondrosarcomas at the Neurosurgical Department of Bellaria Hospital in Bologna. The transsphenoidal endoscopic approach and the ethmoid-pterygo-sphenoidal endoscopic approach were used to accomplish resection of the lesions involving the clivus and extending up to the parasellar region and to the petrous apex, or within the cavernous sinus.

RESULTS : Patient follow-up periods ranged from 15 to 69 months (mean, 27 mo). Three patients died of chordoma progression at 20, 14, and 10 months, respectively, after endoscopic treatment. One patient experienced two recurrences; the first was treated using a new endoscopic approach, whereas the second, 1 year later, was treated by means of a far lateral approach. Four patients underwent postoperative proton beam radiotherapy, whereas one underwent a conventional megavoltage x-radiation therapy. However, postoperative radiotherapy was not administered in the two patients treated for cranial base chondrosarcoma.

CONCLUSION : The flexibility of this new technique with respect to the classical microscopic transsphenoidal approach permits us to widen the horizon of surgical management of aggressive cranial base tumors such as clival chordomas and chondrosarcomas.
PMID: 16888551

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