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Osler's nodes are painful, red, raised lesions found typically on the hands and feet. [1] They are associated with a number of conditions, including infective endocarditis, and are caused by immune complex deposition. Their presence is one definition of Osler's sign. [2]
Jaccoud arthropathy (JA), is a chronic non-erosive reversible joint disorder that may occur after repeated bouts of arthritis. [1] [2] It is caused by inflammation of the joint capsule and subsequent fibrotic retraction, causing ulnar deviation of the fingers, through metacarpophalangeal joint (MCP) subluxation, [1] [3] primarily of the ring and little-finger. [3]
Atomic layer deposition (ALD) is a thin-film deposition technique based on the sequential use of a gas-phase chemical process; it is a subclass of chemical vapour deposition. The majority of ALD reactions use two chemicals called precursors (also called "reactants"). These precursors react with the surface of a material one at a time in a ...
AL amyloidosis is caused by the deposition of abnormal antibody free light chains. The abnormal light chains are produced by monoclonal plasma cells, and, although AL amyloidosis can occur without diagnosis of another disorder, it is often associated with other plasma cell disorders, such as multiple myeloma and Waldenström's macroglobulinemia. [6]
Hypertrophic osteoarthropathy is a medical condition combining clubbing and periostitis of the small hand joints, especially the distal interphalangeal joints and the metacarpophalangeal joints. Distal expansion of the long bones as well as painful, swollen joints [ 3 ] and synovial villous proliferation are often seen.
The increase in consumer products, including consumer electronics, that use metal nanomaterials, mainly silicon, titanium, zinc and aluminum, increases exposure. [ 1 ] Tattoo inks contaminated with metal allergens have been known to cause severe reactions, sometimes years later, when the original ink is not available for testing.
Anodic aluminum oxide, anodic aluminum oxide (AAO), or anodic alumina is a self-organized form of aluminum oxide that has a honeycomb-like structure formed by high density arrays of uniform and parallel pores. The diameter of the pores can be as low as 5 nanometers and as high as several hundred nanometers, and length can be controlled from few ...
Gross clubbing – Thickening of the whole distal (end part of the) finger (resembling a drumstick) Hypertrophic osteoarthropathy – Shiny aspect and striation of the nail and skin Schamroth's sign or Schamroth's window test (originally demonstrated by South African cardiologist Leo Schamroth on himself) [ 16 ] is a popular test for clubbing.