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GlossaryMucin Deposition

accumulation of gel-like mucin within tissues

Mucin deposition refers to the accumulation of mucin, a gel-like substance produced by epithelial cells, within tissues. In the context of hair and skin, excessive mucin deposition can occur in conditions like alopecia mucinosa, where it disrupts normal hair follicle function and leads to hair loss. This process can be identified through histological examination, where mucin appears as a clear, amorphous material within the dermis.

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research Dermal Mucin in Alopecia Areata: Tell-Tale Sign or Incidental Finding?

10 citations, July 2008 in “Journal of Cutaneous Pathology”

Increased mucin in the skin might indicate lupus in patients with hair loss, but more research is needed.

research Horizontal and Vertical Sections of Scalp Biopsy Specimens from Dermatomyositis Patients with Scalp Involvement

16 citations, February 2018 in “Journal of The American Academy of Dermatology”

Scalp biopsies from dermatomyositis patients show chronic hair loss without scarring, with mucin and blood vessel changes being very common.

research Linear Lupus Panniculitis of the Scalp Presenting as Alopecia Along Blaschko’s Lines: A Distinct Variant of Lupus Panniculitis in East Asians?

34 citations, December 2011 in “The Journal of Dermatology”

A unique type of lupus panniculitis causes reversible hair loss on the scalp in East Asians.

research Cutaneous Mucinosis in a Patient With Eosinophilia-Myalgia Syndrome Associated With L-Tryptophan Ingestion

11 citations, November 1990 in “Archives of Dermatology”

A woman developed a persistent skin rash and hair loss from a condition linked to her increased L-tryptophan intake.

research Lipedematous Alopecia with Mucinosis: Report of the First Case in Taiwan

2 citations, March 2011 in “Dermatologica Sinica”

Taiwan reported its first case of a rare scalp condition with no clear cause or treatment.

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community Diffuse hair loss and scalp biopsies

in Research 692 upvotes 3 months ago

Scalp biopsies are crucial for diagnosing hair loss conditions like Diffuse Unpatterned Alopecia (DUPA) and retrograde hair loss, as treatments like finasteride and dutasteride may not be effective if other conditions are present. Combining PPAR-GAMMA agonists with retinoids could improve treatments for conditions like Lichen Planopilaris.