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Skin Congenital and Hereditary - Pathology (view source)
Revision as of 15:22, 21 February 2011
, 15:22, 21 February 2011no edit summary
===Acanthosis Nigricans===
===Acanthosis Nigricans===
*Occurs in Dachshunds
*Occurs in Dachshunds
**Increased melanin in epidermis
**Increased melanin in epidermis
ondary
ondary
[[Category:Integumetary System - Developmental Pathology]]
===Alopecia and Hypotrichosis===
===Alopecia and Hypotrichosis===
*May be due to decreased number of hair follicles, failure of hair growth or follicular dysplasia
*May be due to decreased number of hair follicles, failure of hair growth or follicular dysplasia
*Also associated with maternal deficiency of iodine
*Also associated with maternal deficiency of iodine
[[Category:Integumetary System - Developmental Pathology]]
===Collagen Dysplasia===
===Collagen Dysplasia===
[[Image: Collagen dysplasia.jpg|100px|thumb|right|<small><center>Collagen dysplasia - dog tail (Courtesy of Bristol BioMed Image Archive)</center></small>]]
[[Image: Collagen dysplasia.jpg|100px|thumb|right|<small><center>Collagen dysplasia - dog tail (Courtesy of Bristol BioMed Image Archive)</center></small>]]
**May appear normal
**May appear normal
**Collagen bundles varied in shape, size and their organisation
**Collagen bundles varied in shape, size and their organisation
[[Category:Integumetary System - Developmental Pathology]]
===Epidermolysis Bullosa===
===Epidermolysis Bullosa===
[[Image: Epidermolysis bullosa.jpg|100px|thumb|right|<small><center>Epidermolysis bullosa in a lamb (Courtesy of Bristol BioMed Image Archive)</center></small>]]
[[Image: Epidermolysis bullosa.jpg|100px|thumb|right|<small><center>Epidermolysis bullosa in a lamb (Courtesy of Bristol BioMed Image Archive)</center></small>]]
**Healing displaces lesions more dorsally
**Healing displaces lesions more dorsally
**May become infected and form [[Skin Glossary - Pathology|pustules]]
**May become infected and form [[Skin Glossary - Pathology|pustules]]
[[Category:Integumetary System - Developmental Pathology]]
===[[Epitheliogenesis Imperfecta]]===
===[[Epitheliogenesis Imperfecta]]===
**Ichthiosis fetalis - fatal, stillborn calves or die within days of birth
**Ichthiosis fetalis - fatal, stillborn calves or die within days of birth
**Ichthiosis congenita - folded and thickened skin, fissures and partial [[Skin Glossary - Pathology|alopecia]]
**Ichthiosis congenita - folded and thickened skin, fissures and partial [[Skin Glossary - Pathology|alopecia]]
[[Category:Integumetary System - Developmental Pathology]]
===Photosensitisation===
===Photosensitisation===
*May be due to inherited defects
*May be due to inherited defects
**Epidermal hyperplasia, [[Skin Glossary - Pathology|parakeratosis]], epidermal [[Skin Glossary - Pathology|pustules]] and superficial perivascular dermatitis
**Epidermal hyperplasia, [[Skin Glossary - Pathology|parakeratosis]], epidermal [[Skin Glossary - Pathology|pustules]] and superficial perivascular dermatitis
*For more detail see [[Porcine Juvenile Pustular Psoriasiform Dermatitis]]
*For more detail see [[Porcine Juvenile Pustular Psoriasiform Dermatitis]]
[[Category:Integumetary System - Developmental Pathology]]
===Zinc-related disorders===
===Zinc-related disorders===
*Occurs in Bullterriers and calves
*Occurs in Bullterriers and calves
**Histologically:
**Histologically:
***Hyperkeratosis and bacterial pustular dermatitis
***Hyperkeratosis and bacterial pustular dermatitis
[[Category:Integumetary System - Developmental Pathology]]