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Psoriatic nails are characterized by a translucent discolouration in the nail bed that resembles a drop of oil beneath the nail plate. [2] Early signs that may accompany the "oil drop" include thickening of the lateral edges of the nail bed with or without resultant flattening or concavity of the nail; separation of the nail from the underlying nail bed, often in thin streaks from the tip-edge ...
Onychorrhexis also known as brittle nails, is brittleness with breakage of fingernails or toenails. Paronychia is a bacterial or fungal infection where the nail and skin meet. Koilonychia is when the nail curves upwards (becomes spoon-shaped) due to an iron deficiency. The normal process of change is: brittle nails, straight nails, spoon-shaped ...
At present, the specific cause of shell nail syndrome is unknown. American doctors Chalmers E. Cornelius and Walter B. Shelley first characterized the morphogenesis of the condition in a 1967 Archives of Dermatology publication, stating: "this disorder can be explained by the production of a curved nail by a normal nail matrix which grows out as a shell to thus form a roof over the atrophic ...
Severe congenital onychogryphosis affecting all twenty nailbeds has been recorded in two families who exhibit the dominant allele for a certain gene. [6] [7]Congenital onychogryphosis of the fifth toe (the baby, little, pinky or small toe) is fairly common, but asymptomatic and seldom brought to the attention of medical professionals.
For median nail dystrophy, treatment is frequently not required. [8] Normalcy usually returns to affected nails on its own, either when medication is stopped or after a traumatic event. [ 9 ] [ 7 ] Triamcinolone acetonide injected directly into the proximal nail fold or topical ointments have been effectively used in the treatment of median ...
This mutation may cause a reduction in dorsalising signals, which then results in the failure to normally develop dorsal specific structures such as nails and patellae. [10] Other common abnormalities include elbow deformities, kidney disease, [ 11 ] and abnormally shaped pelvic (hip) bones.
Dyskeratosis congenita (DKC), also known as Zinsser-Engman-Cole syndrome, is a rare progressive congenital disorder with a highly variable phenotype. [3] The entity was classically defined by the triad of abnormal skin pigmentation, nail dystrophy, and leukoplakia of the oral mucosa, and myelodysplastic syndrome (MDS) or acute myeloid leukemia (AML), but these components do not always occur. [3]
Alopecia, dental anomalies, and dystrophic nails are observed. Some patients have retinal vascular abnormalities predisposing to retinal detachment in early childhood. Cognitive delays or intellectual disability are occasionally seen. [citation needed]