|
|
| (6 intermediate revisions by 2 users not shown) |
| Line 1: |
Line 1: |
| − | {{review}}
| |
| − | {{toplink
| |
| − | |backcolour = FFCCCC
| |
| − | |linkpage =Integumentary System - Pathology
| |
| − | |linktext =Integumentary System
| |
| − | |maplink = Integumentary System (Content Map) - Pathology
| |
| − | |pagetype =Pathology
| |
| − | }}
| |
| − | <br>
| |
| | | | |
| − | ===General===
| + | #REDIRECT[[:Category:Integumentary System - Nutritional Pathology]] |
| − | *Often combined deficiency which improves when animal is fed a balnced diet
| |
| − | *Sometimes caused by change in demand (pregnancy, growth, cold weather) or due to disease
| |
| − | | |
| − | ===Zinc deficiency===
| |
| − | *Mainly in dogs and pigs, sometimes ruminants
| |
| − | *'''In pigs''':
| |
| − | **Grossly:circumscribed reddened papules and plaques, thick crusting and scaling, fissures along ventral abdomen and medial thighs, sometimes generalised
| |
| − | **Microscopically: parakeratosis, acantosis, pseudoepitheliomatous hyperplasia, hypergranulosis
| |
| − | **Commonly secondary bacterial dermatitis
| |
| − | *'''In dogs''':
| |
| − | **Siberian huskies and Alaskan malamutes:
| |
| − | ***Grossly: scales and crusts around mouthm chin, eyes, joints, prepuse, scrotum, vulva
| |
| − | ***Microscopically: diffuse hyperkeratosis extending to follicles, superficial perivascular dermatitis with eosinophils
| |
| − | **Rapidly growing puppies:
| |
| − | ***Grossly: scaly plaques on skin, nasal planum and foot pads
| |
| − | *'''In ruminants''':
| |
| − | **Grossly: alopecia, crusts and scales on face, neck and distal extremities and mucocutaneous junctions
| |
| − | **Microscopically: parakeratosis, sometimes hyperkeratosis
| |
| − | | |
| − | | |
| − | ===Copper deficiency===
| |
| − | *Hair or wool depigmentation
| |
| − | **Black sheep develop bands of lighter colouring
| |
| − | **Cattle develop spectacle pattern of depigmentation around eyes)
| |
| − | **Coat colour may change from black to reddish brown
| |
| − | | |
| − | ===Vitamin A deficiency===
| |
| − | *In dogs
| |
| − | *Grossly: generalised scaling
| |
| − | *Microscopically: marked follicular hyperkeratosis
| |
| − | | |
| − | ===Vitamin E deficiency===
| |
| − | *Steatitis may develop in cats fed excess fatty acids or with vitamin E deficincy
| |
| − | *Grossly: firm, yellow or orange nodules in subcutaneous tissue
| |
| − | *Microscopically: nodular to diffuse granulomatous panniculitis, macrophages and giant cells, oedema, fat necrosis, [[Neutrophils - WikiBlood|neutrophils]] and ceroid pigment
| |