loose anagen syndrome
MONDO:0010908
Loose anagen syndrome is a rare benign hair disorder affecting predominantly blond females in childhood and characterized by the presence of hair that can be easily and painlessly pulled out. Most of the hair is in the anagen phase and lacks an external epithelial sheath. Hair grows back quickly and the condition improves spontaneously with aging. Loose anagen hair can be associated with other anomalies, such as coloboma.
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Loose anagen syndrome
Loose anagen syndrome, also known as loose anagen hair syndrome, is a hair disorder related to dermatology. It is characterised by the easy and pain free detachment of anagen staged hairs from the scalp. This hair condition can be spontaneous or genetically inherited. Loose anagen syndrome is primarily described in fair-haired children who have easily dislodgeable hair. It is commonly present in younger children, generally between the ages of 2 and 8. It is especially observed in female children with light coloured hair. Females and males have differences in hair. There are knowledge gaps about loose anagen syndrome in males, and a 6 to 1 incidence ratio of females to males with loose anagen syndrome, respectively. Loose anagen syndrome may also be misdiagnosed in males, as males traditionally have short hair. Patients with loose anagen hair syndrome usually experience hair thinning around the whole scalp or at the occipital scalp, at the back of the head. Although this is a hair condition, there have only been reports of this condition also affecting the patient's eyebrows. There are no noted impacts on any other hairs of the body such as eyebrows and eyelashes. It also does not have any impacts on nails, teeth or skin. Loose anagen syndrome is more predominantly seen in fairer skin and it is not as common in dark skin populations. Abdel-Raouf, El-Din, Awad, Ashraf, Mohammad, Hosan, Hasan, Moetaz, Tag and Mohammad have reported a population of dark skinned individuals with loose anagen syndrome. Each year there are approximately 2 to 2.5 cases per million people with lo...
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Disease identity and terminology: MONDO. Trial relationships: ClinicalTrials.gov.