Which of the following has been shown to be related to noise exposure? Group of answer choices Addison’s disease Dysgeusia Alopecia areata Type 2 diabetes mellitus.
Alopecia areata is found to be associated with noise exposure.
Alopecia areata is an autoimmune disorder, autoreactive CD8 T cells immune response to hair follicle associated antigen. Some patients may have positive family history or atopy.
Clinical features: noninflammatory, non scarring, diacoid patch of hair loss , exclamation mark sign is found. Sparing of white or grey hair in the patch which is called turning grey phenomenon.
Associations of alopecia areata ;
1.Nail : nail pitting, trachyonychia
2.Atopy : atopic dermatitis, allergic rhinitis, asthma.
3.Autoimmune diseses: vitiligo and hashimoto thyroiditis.
4.Sensorineural hearing loss.
Alopecia areata have effect on hearing function by affecting the melanocytes in the inner ear.
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