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Nail clubbing, also known as digital clubbing or clubbing, is a deformity of the finger or toe nails associated with a number of diseases, anomalies and defects, some congenital, mostly of the heart and lungs. [2] [3] When it occurs together with joint effusions, joint pains, and abnormal skin and bone growth it is known as hypertrophic ...
Nail clubbing - nails that curve down around the fingertips with nailbeds that bulge is associated with oxygen deprivation and lung, heart, or liver disease. Koilonychia - spooning, or nails that grow upwards. Associated with iron-deficiency anaemia or vitamin B 12 deficiency. [citation needed] Pitting of the nails is associated with psoriasis.
The condition is known by numerous names including clubbed thumb or club thumb. [10] [11] American researcher R.A. Hefner used the terms "short thumb" and "brachymegalodactylism" in 1924, [3] and "short thumb" has continued to be used in a few other studies since then, including the study that defined Rubinstein–Taybi syndrome in 1963. [1] "
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 ...
Onycholysis is a common medical condition characterized by the painless detachment of the nail from the nail bed, usually starting at the tip and/or sides. [1] On the hands, it occurs particularly on the ring finger but can occur on any of the fingernails.
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.
Terry's nails is a physical condition in which a person's fingernails or toenails [1]: 659 appear white with a characteristic "ground glass" appearance without any lunula. [2]