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The HAIR-AN syndrome is a rare subtype of polycystic ovary syndrome (PCOS) characterized by hyperandrogenism (HA), insulin resistance (IR) and acanthosis nigricans (AN). The symptoms of the HAIR-AN syndrome are largely due to severe insulin resistance, which can be secondary to blocking antibodies against the insulin receptor or genetically absent/reduced insulin receptor number/function.
Uncombable hair syndrome ( UHS) is a rare structural anomaly of the hair with a variable degree of effect. It is characterized by hair that is silvery, dry, frizzy, wiry, and impossible to comb. [ 4] It was first reported in the early 20th century. [ 5] It typically becomes apparent between the ages of 3 months and 12 years. [ 6]
Trichotillomania. Trichotillomania ( TTM ), also known as hair-pulling disorder or compulsive hair pulling, is a mental disorder characterized by a long-term urge that results in the pulling out of one's own hair. [ 2][ 4] A brief positive feeling may occur as hair is removed. [ 5] Efforts to stop pulling hair typically fail.
Mayo Clinic is a nonprofit hospital system with campuses in Rochester, Minnesota; Scottsdale and Phoenix, Arizona; and Jacksonville, Florida. [ 22][ 23] Mayo Clinic employs 76,000 people, including more than 7,300 physicians and clinical residents and over 66,000 allied health staff, as of 2022. [ 5] In addition, Mayo Clinic partially owns and ...
Dermatology, medical genetics. Trichothiodystrophy ( TTD) is an autosomal recessive inherited disorder characterised by brittle hair and intellectual impairment. The word breaks down into tricho – "hair", thio – "sulphur", and dystrophy – "wasting away" or literally "bad nourishment". TTD is associated with a range of symptoms connected ...
Morgellons ( / mɔːrˈɡɛlənz /) is the informal name of a self-diagnosed, scientifically unsubstantiated skin condition in which individuals have sores that they believe contain fibrous material. [ 1][ 2] Morgellons is not well understood, but the general medical consensus is that it is a form of delusional parasitosis, [ 3] on the ...
Based on clinical examination, skin biopsy. Treatment. Electrodesiccation and curettage, cryotherapy. A seborrheic keratosis is a non-cancerous ( benign) skin tumour that originates from cells, namely keratinocytes, in the outer layer of the skin called the epidermis. Like liver spots, seborrheic keratoses are seen more often as people age. [ 4]
Although research is somewhat limited, there is evidence that lacking vitamin D can affect healthy hair growth, resulting in shedding, thinning and patchy hair loss across the scalp. Experts aren ...