White spots on nails: Causes, prevention, and treatment - white band on nail plate thumb

Category

Evaluation of nail lines: Color and shape hold clues | Cleveland Clinic Journal of Medicine white band on nail plate thumb


In apparent leukonychia, the white discoloration is due to abnormal nail bed . dense longitudinal white or yellowish bands or “spikes” on the nail plate with most prominent on the thumbs.10–12 These patients also have recurrent vesicular.

Inspection of the fingernails and toenails should be part of a complete “Half- and-half” nails involve a transverse white band proximally and a red-brown band digit (thumb, index finger, great toe),30,31,38 although nail melanoma can occur.

Transverse white bands appearing in the nail plate are often caused by trauma to the more proximal matrix in the area of the proximal nail fold;.