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Pterygium inversum unguis or ventral pterygium is characterized by the adherence of the distal portion of the nailbed to the ventral surface of the nail plate. [3]: 788 The condition may be present at birth or acquired, and may cause pain with manipulation of small objects, typing, and close manicuring of the nail.
Recurrence may occur following treatment, with a 20-25% relapse rate within 2 years of successful treatment. [13] Nail fungus can be painful and cause permanent damage to nails. It may lead to other serious infections if the immune system is suppressed due to medication, diabetes or other conditions.
Onychomadesis is the separation and falling off of a nail from the nail bed. Common causes include localized infection, minor injury to the matrix bed, or severe systemic illness. It is sometimes a side effect of chemotherapy or x-ray treatments for cancer. A new nail plate will form once the cause of the disease is removed.
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In general, Garg says, it's a matter of weighing risks and benefits: Oral drugs for toenail fungus are most effective but can have side effects and interact with other medications, so some people ...
Pterygium unguis (or dorsal pterygium [1]: 660 ) forms as a result of scarring between the proximal nailfold and matrix, with the classic example being lichen planus, though it has been reported to occur as a result of sarcoidosis and Hansen's disease.
Nail psoriasis can affect the fingernails and toenails. It may cause thickening of the nails with areas of pitting, ridges, irregular contour, and even raising of the nail from the nail bed. [16] Squamous-cell carcinoma is mainly cancer of the skin, but can also affect the nail bed. It is a rare malignant subungual tumor subject to misdiagnosis ...
A common misconception is that the cause of an ingrown toenail is the nail growing into the paronychium, but it can also be caused by overgrown toe skin. [2] The condition is caused by a microbial inflammation of the paronychium causing a granuloma within which the nail is buried. [ 3 ]