TY  - CHAP
M1  - Book, Section
TI  - Alopecia Areata (AA)
A1  - Tassone, Francesco
A1  - Tosti, Antonella
A1  - Piraccini, Bianca Maria
A2  - Tosti, Antonella
A2  - Piraccini, Bianca Maria
PY  - 2023
T2  - Disorders of the Hair and Nail: Diagnosis and Treatment
AB  - SUMMARYAlopecia  areata  (AA)  is  an  autoimmune  disorder  of  the  hair  follicle  (HF),  characterized  by  a  reversible  process  of  hair  loss  in  which  cytotoxic  T-lymphocytes  specifically  attack  the  follicular  unit,  due  to  loss  of  the  HF  immuno-privilege.AA  can  involve  only  some  follicles  (patchy  or  diffused  alopecia  areata)  or  the  whole  scalp  (alopecia  areata  totalis,  AAT),  or  even  all  the  body  hairs  (alopecia  areata  universalis,  AAU),  including  eyelashes,  eyebrows,  and  beard.  The  nail  unit  can  also  be  involved.  
SN  - 
PB  - McGraw Hill
CY  - New York, NY
Y2  - 2023/11/30
UR  - dermatology.mhmedical.com/content.aspx?aid=1201699518
ER  -