see also:

• dermatology

• madarosis is the term used for partial or full loss of eyebrow hairs

• local causes
  • trauma
  • burns
  • radiation therapy
  • trichotillomania
  • alopecia areata
  • skin cancers - SCC or BCC
  • rarely, may be associated with very large xanthelasma
• systemic causes
  • hypothyroidism
  • systemic lupus erythematosus (SLE)
  • scleroderma
  • syphilis
  • medications - anticoagulants, anti-muscarinic anticholinergic agents