Small Animal Dermatology, 3rd edition

(Tina Sui) #1

CHAPTER 29 KERATINIZATION (CORNIFICATION) DISORDERS 439


COMMENTS


 Corticosteroids: may be used judiciously to control inflammation; mask signs of bac-


terial folliculitis and prevent accurate diagnosis of primary disease.


 Vitamins A and D analogs: side effects can be severe; patients should be referred to a


dermatologist for treatment.


 Antibiotics and topical therapy: monitor response every 3 weeks; patients may


respond differently to various topical therapies.


 Seasonal changes, development of additional diseases (e.g., cutaneous hypersensitiv-


ity), and recurrence of bacterial folliculitis: may cause previously controlled patients
to worsen; reevaluation critical for determining whether new factors are involved and
whether changes in therapy are necessary.

 Endocrinopathy: routine treatment monitoring; see specific chapters.


 Selective autoimmune disorders: reevaluate frequently during the initial phase of


induction; less often after remission; clinical evaluation and laboratory data required;
see specific chapters.

 Immunosuppressive therapy: monitor hemograms, serum chemistries, and urinalysis


with culture.


 Retinoid drugs: monitor serum chemistries, including triglycerides, and tear produc-


tion.


 Ketoconazole: monitor serum chemistries.


 Skin aging may worsen keratinization disorders or increase frequency of relapses.


 Dermatophytosis and several ectoparasites have either zoonotic potential or the abil-


ity to produce lesions in human beings.


 Systemic retinoids: extreme teratogen; do not use in intact females because of severe


and predictable teratogenicity and the extremely long withdrawal period; women of
child-bearing age should not handle this medication.

Synonyms


 Keratinization disorders=cornification disorders, seborrhea, idiopathic seborrhea,


keratinization defect, dyskeratinization, and incorrect human terms (eczema, psori-
asis, dander, dandruff); sebopsoriasis: appropriate term to describe the similarities
between some human and canine keratinization defects.
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