(9) Any tissues or sections of tissue removed during an operation or curettage shall be immediately set aside by the surgeon operating and together with a short history of the case and a statement of the findings during the operation, shall be forwarded by the Superintendent to a laboratory approved by the Chief Medical Officer for examination, but any tonsil, appendix, tooth, frenum, haemorrhoid, finger, toe, hand, foot, arm or leg removed or amputated shall not be so forwarded unless the surgeon desires a special examination.