One theory as to the cause is localized vasoconstriction occurs suddenly at the site, resulting in sudden arrest in the hair
follicle cycle. It is also important to state the other causes of alopecia (primarily hypothyroidism, Cushing's and Alopecia
X) all can manifest as post-clipping alopecia. Diagnosis is based upon clinical evaluation, skin histopathology and eliminating
other causes of alopecia. Aggressive rubbing or scraping of the affected areas can result in regrowth of hair. Affected dogs usually regrow hair in
six to 12 months. In conclusion, there are numerous causes of alopecia that are non-inflammatory in appearance, and this articles discusses
and differentiates a portion of the more common ones. Pruritus and superficial bacterial folliculitis (pyoderma) are the more
common causes of alopecia, so a complete history and good clinical examination with appropriate diagnostics are paramount
in making a proper diagnosis.
|