Rough longitudinally-ridged fingernails due to twenty nail dystrophy
Keywords: Excessive longitudinal nail ridging, Fingernail, Hand, Hyperkeratotic cuticle, Nail, Opaque nail, Rough nails, Twenty nail dystrophy
Trachyonychia is characterised by brittle nails that show diffuse longitudinal ridging and can be accompanied by pitting, loss of lustre, or a roughened nail plate.
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Source: Dr Ian Coulson
