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Dermatology. Non scarring hair loss, also known as noncicatricial alopecia is the loss of hair without any scarring being present. [ 1] There is typically little inflammation and irritation, but hair loss is significant. This is in contrast to scarring hair loss during which hair follicles are replaced with scar tissue as a result of inflammation.
Dermatology. Scarring hair loss, also known as cicatricial alopecia, is the loss of hair which is accompanied with scarring. This is in contrast to non scarring hair loss . It can be caused by a diverse group of rare disorders that destroy the hair follicle, replace it with scar tissue, and cause permanent hair loss.
Alopecia universalis (AU), also known as alopecia areata universalis, is a medical condition involving the loss of all body hair, including eyebrows, eyelashes, chest hair, armpit hair, and pubic hair. It is the most severe form of alopecia areata (AA). [ 1] People with the condition are usually healthy and have no other symptoms and a normal ...
The International Classification of Headache Disorders ( ICHD) is a detailed hierarchical classification of all headache -related disorders published by the International Headache Society. [ 1] It is considered the official classification of headaches by the World Health Organization, and, in 1992, was incorporated into the 10th edition of ...
Conversion disorder (CD), or functional neurologic symptom disorder, is a diagnostic category used in some psychiatric classification systems.It is sometimes applied to patients who present with neurological symptoms, such as numbness, blindness, paralysis, or fits, which are not consistent with a well-established organic cause, which cause significant distress, and can be traced back to a ...
50% of males, 25% of females (pattern hair loss by age 50) [ 4][ 6] Hair loss, also known as alopecia or baldness, refers to a loss of hair from part of the head or body. [ 2] Typically at least the head is involved. [ 4] The severity of hair loss can vary from a small area to the entire body. [ 7] Inflammation or scarring is not usually ...
Signs and symptoms. Hair follicle and mesenchymal dermal papilla, labelled at top. Pattern hair loss is classified as a form of non-scarring hair loss. Male-pattern hair loss begins above the temples and at the vertex ( calvaria) of the scalp. As it progresses, a rim of hair at the sides and rear of the head remains.
Just when you thought the list of COVID-19 symptoms couldn't get any longer, studies show hair loss and thinning hair should be added to the ever-growing list. One study followed 806 participants ...