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Although the exact cause of PN is unknown, PN is associated with other dermatologic conditions such as untreated or severe atopic dermatitis and systemic causes of pruritus including liver disease and end stage kidney disease. [2] The goal of treatment in PN is to decrease itching. PN is also known as Hyde prurigo nodularis, or Picker's nodules ...
The bumps are caused by pressure. [1] There may be an association with Prader–Willi syndrome , and around a third of individuals with Ehlers–Danlos syndrome may have them. [ 2 ] Risk factors include obesity , flat feet , athletics , figure skating , and long-distance running .
Plantar fascial fibromatosis, also known as Ledderhose's disease, Morbus Ledderhose, and plantar fibromatosis, is a relatively uncommon [2] non-malignant thickening of the feet's deep connective tissue, or fascia. In the beginning, where nodules start growing in the fascia of the foot, the disease is minor.
Osler's nodes are thought to be due to immunologic phenomenon where deposition of immune complexes provoke inflammatory response, leading to swelling, redness and pain. On the contrary, Janeway lesions are thought to be due to embolic phenomenon in cutaneous blood vessels of palms and soles which does not cause pain or least pain.
Nodules may develop in any hair-bearing part of the body, but are most often observed on the forearms, hands, and legs of infected individuals. Involvement of the scalp and face is rarely observed. Lesions start as solitary or multiple well-circumscribed perifollicular papulopustules and nodules with or without background erythema and scaling.
Treatment of sporotrichosis depends on the severity and location of the disease. The following are treatment options for this condition: [13] Oral potassium iodide; Potassium iodide is an anti-fungal drug that is widely used as a treatment for cutaneous sporotrichosis. Despite its wide use, there is no high-quality evidence for or against this ...
Tungiasis causes skin inflammation, severe pain, itching, and a lesion at the site of infection that is characterized by a black dot at the center of a swollen red lesion, surrounded by what looks like a white halo. Desquamation of the skin is always seen, especially after the flea expands during hypertrophy.
Podoconiosis causes bilateral yet asymmetrical leg swelling with overlying firm nodules. Early on, symptoms may include itching, tingling, widening of the forefoot, and swelling which then progress to soft edema, skin fibrosis, papillomatosis, and nodule formation resembling moss, giving rise to the disease's alternate name of "mossy foot" in some regions of the world. [3]