A gauze comprising at least two superimposed non-woven fabric webs (1) and at least one radiologically visible yarn (2) arranged between the two non-woven fabric webs (1), the webs (1) and the radiologically visible yarn (2) being bonded to each other. The radiologically visible yarn (2) is of polypropylene compounded with up to 65% by weight of barium sulphate. The method of manufacture of the gauze comprises: - the superimposed arrangement of at least two non-woven fabric webs (1) - the arrangement of at least one radiologically visible yarn (2) between the two superimposed non-woven fabric webs (1) and - the bonding of the non-woven fabric webs (1) and the radiologically visible yarn (2) arranged between said webs (1).
