Muehrcke's lines.Double white transverse lines are caused byhypoalbuminemiarelated tonephrotic syndrome; Muehrcke lines are associated withserum albuminlevels less than 2.2g/dl. It originates by vascular compression through local oedema, which causes bleaching of the nail bed. Therefore, no change in...
They are caused by an insult to the distal nail matrix, which unlike Beau's lines, do not interrupt growth of the matrix, but causes parakeratosis of the ventral nail plate[3]. Mees' lines can be differentiated from Muehrcke's lines (apparent leukonychia), which are paired white lines ...