Directimmunofluorescence (DIF) staining showed that 9/10 cases of specimens hadfluorescence on epidermal or dermal side of salt-split skin.

• 盐裂皮肤直接免疫荧光(DIF)(取其中10例SLE皮肤标本，LBT阳性者7例，阴性者3例)显示9/10例SLE忠者皮损有表皮或真皮侧荧光。