Psoriatic onychodystrophy: numerous so-called spots (pit-shaped depressions in the nail matrix); in the middle of the nail spots and transverse furrows.
Psoriatic onychodystrophy: numerous so-called pits (pit-shaped depressions in the nail matrix). in the middle of the nail, pits and transverse furrows (marked by lines). arrows and transverse bars mark damage to the nail root with shortening of the cuticle. psoriatic onycholysis marked in an arch.
hematoma, nail hematoma. blue-blackish, sharply defined pigmentation (here of the big toe nail) due to a previous traumatic event. no distal stripy nail discoloration. the absence of distal stripy nail changes excludes the important differential diagnoses "subungual malignant melanoma" and "subungual melanocytic nevus".
Onychodystrophia psoriatica. proximal strongly dented nail plate of the right thumb in a 26-year-old psoriatic with psoriasis vulgaris since 8 years. The distal thumb phalanx carries a hyperkeratotic red plaque, the nail fold is also hyperkeratotic changed.
Beau-Reils transverse furrows of the nails. ditch-like transverse furrows of the nail due to temporary disturbances of the nail growth, here as a result of a severe pneumonia.
Beau-Reils transverse furrows of the nails. general view: For several years persistent transverse furrow of the left middle finger of a 55-year-old woman with severe dyshidrotic eczema and pustulosis palmoplantaris.
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