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Osler's nodes are painful, red, raised lesions found on the hands and feet. 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. [1]
The classic description of rheumatoid nodulosis in adults is that it is a variation of rheumatoid arthritis (RA) that appears as a proliferation of subcutaneous nodules, frequently on the hands and feet, linked to palindromic rheumatism without loss of joint function and with minimal to no systemic symptoms. [2]
Rheumatoid vasculitis can cause palpable purpura, ulcers, nodules, and digital necrosis on the skin. [6] Even though it is nonspecific and present in many different disorders, livedo reticularis is frequently observed. [3] Peripheral nervous system involvement is the second most common organ involved.
On histopathological examination, a biopsy will show leukocytoclastic vasculitis with necrotic changes and granulomatous inflammation (clumps of typically arranged white blood cells) on microscopy. These granulomas are the main reason for the name granulomatosis with polyangiitis, although it is not an essential feature.
The occurrence of nodules in the lungs of miners exposed to silica dust was known as Caplan’s syndrome. [2] Rarely, the nodules occur at diverse sites on body (e.g., upper eyelid, distal region of the soles of the feet, vulva, and internally in the gallbladder, lung, heart valves, larynx, and spine). [3]
Vasculitis is a rare autoimmune disorder that causes inflammation to the body's organs and blood vessels. Ashton Kutcher on his 'life-threatening experience' with vasculitis Skip to main content
Livedoid vasculopathy (LV) is an uncommon thrombotic dermal vasculopathy that is characterized by excruciating, recurrent ulcers on the lower limbs. [4] Livedo racemosa, along with painful ulceration in the distal regions of the lower extremities, is the characteristic clinical appearance.
Eosinophilic granulomatosis with polyangiitis consists of three stages, but not all patients develop all three stages or progress from one stage to the next in the same order; [7] whereas some patients may develop severe or life-threatening complications such as gastrointestinal involvement and heart disease, some patients are only mildly affected, e.g. with skin lesions and nasal polyps. [8]