. Manual of operative surgery. of the sac and retract its walls so that all theorifices which open into it are visible. Note if there are two main orifices un-connected by a groove of more or less normal arterial wall. If this is the casethe aneurysm is fusiform and suitable for the obliterative operation. If thetwo openings are connected by a groove of more or less healthy arterial wall,note if this groove is wide and contains enough and sufficiently good tissue topermit reconstruction of the artery. If the groove is narrow and composed ofsuspicious tissue, the aneurysm is either fusiform or
. Manual of operative surgery. of the sac and retract its walls so that all theorifices which open into it are visible. Note if there are two main orifices un-connected by a groove of more or less normal arterial wall. If this is the casethe aneurysm is fusiform and suitable for the obliterative operation. If thetwo openings are connected by a groove of more or less healthy arterial wall,note if this groove is wide and contains enough and sufficiently good tissue topermit reconstruction of the artery. If the groove is narrow and composed ofsuspicious tissue, the aneurysm is either fusiform or practically fusiform and theobHterative operation is imperative. If the groove is wide and satisfactory incharacter, the aneurysm is sacculated and may be suited to a reconstructive 828 ANEURYSM operation. If only one opening is present in the sac wall, the aneurysm is sac-culated and a reconstructive operation is usually indicated. On opening thesac one may find it to be a false aneurysm; if this is the case, find the opening.
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