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Many species of arthropods (insects, arachnids, millipedes and centipedes) can bite or sting human beings. These bites and stings generally occur as a defense mechanism or during normal arthropod feeding. While most cases cause self-limited irritation, medically relevant complications include envenomation, allergic reactions, and transmission ...
Green nail syndrome is an infection that can develop in individuals whose hands are frequently submerged in water resulting in discolouration of the nails from shades of green to black. [3] [4] It may also occur as transverse green stripes that are ascribed to intermittent episodes of infection. [3] It is usually caused by the bacteria ...
Prognosis. Good-Excellent. Benign fasciculation syndrome ( BFS) is characterized by fasciculation (twitching) of voluntary muscles in the body. [1] The twitching can occur in any voluntary muscle group but is most common in the eyelids, arms, hands, fingers, legs, and feet. The tongue can also be affected.
Separation anxiety disorder ( SAD) is an anxiety disorder in which an individual experiences excessive anxiety regarding separation from home and/or from people to whom the individual has a strong emotional attachment (e.g., a parent, caregiver, significant other, or siblings). Separation anxiety is a natural part of the developmental process.
Habit-tic deformity. External trauma to proximal nail fold. Habit-tic deformity is a condition of the nail caused by external trauma to the nail matrix. [1] The condition is characterized by ridges which run horizontally across the entire nail, most often occurring on the thumbs, as well as marked damage to or absence of cuticles.
Smith–Magenis syndrome. Smith–Magenis syndrome ( SMS ), also known as 17p- syndrome, is a microdeletion syndrome characterized by an abnormality in the short (p) arm of chromosome 17. [1] It has features including intellectual disability, facial abnormalities, difficulty sleeping, and numerous behavioral problems such as self-harm.
Finger agnosia, first defined in 1924 by Josef Gerstmann, is the loss in the ability to distinguish, name, or recognize the fingers—not only the patient's own fingers, but also the fingers of others, and drawings and other representations of fingers. [1] It is one of a tetrad of symptoms in Gerstmann syndrome, although it is also possible for ...
Dysesthesia is an unpleasant, abnormal sense of touch. Its etymology comes from the Greek word "dys," meaning "bad," and "aesthesis," which means "sensation" (abnormal sensation). It often presents as pain [1] but may also present as an inappropriate, but not discomforting, sensation. It is caused by lesions of the nervous system, peripheral or ...