Line 9: |
Line 9: |
| <br> | | <br> |
| | | |
− | ==Candidosis==
| + | [[Candidosis]] |
− | [[Image:Sour Crop.jpg|thumb|right|200px|Sour Crop - Copyright Professor Andrew N. Rycroft, BSc, PHD, C. Biol.F.I.Biol., FRCPath]] | |
− | [[Image:Candida.jpg|thumb|right|200px|Candida - Copyright Professor Andrew N. Rycroft, BSc, PHD, C. Biol.F.I.Biol., FRCPath]]
| |
− | [[Image:Candida in vivo.jpg|thumb|right|200px|Candida in vivo - Copyright Professor Andrew N. Rycroft, BSc, PHD, C. Biol.F.I.Biol., FRCPath]]
| |
− | *''Candidia albicans'' is the most important species
| |
− | **''C. tropicalis'' and ''C. pelliculosa'' are other important species
| |
| | | |
− | *World wide distribution
| |
− |
| |
− | *Usually an endogenous mycoses
| |
− |
| |
− | *Noramlly present on [[Skin - Anatomy & Physiology|skin]], [[Female Reproductive Tract -The Vagina/Vestibule - Anatomy & Physiology|vagina]] and in the [[Alimentary - Anatomy & Physiology|GI tract]]
| |
− |
| |
− | *Immunocompromised animals may show symptoms
| |
− |
| |
− | *Usually lesions on mucous membranes and at mucocutaneous junctions
| |
− |
| |
− | *Many species have been implicated in bovine [[Mastitis|mastitis]]
| |
− |
| |
− | *''C. albicans'' has been isolated in porcine stomach ulcers
| |
− |
| |
− | *''C. rugosa'' has been implicated in pyometra in mares
| |
− |
| |
− | *Infection of the [[Crop- Anatomy and Physiology|crop]], [[Crop- Anatomy and Physiology|oesophagus]] and [[The Avian Oral Cavity - Anatomy & Physiology|mouth]] occur in poultry and other birds leading to '''sour crop'''
| |
− | **White-grey lesions in mouth which adhere loosly to the mucous membrane
| |
− | **[[Crop- Anatomy and Physiology|Crop]] wall may be thickened
| |
− | **[[Crop- Anatomy and Physiology|Crop]] wall may be covered by a yellow-white necrotic material
| |
− | **Underlying tissue is inflammed
| |
− |
| |
− | *Causes thrush in humans
| |
− |
| |
− | *''C. albicans'' causes metritis and vaginitis in mares and genital candidiosis in stallions (and bulls)
| |
− |
| |
− | *Skin scrapings in 20% KOH for microscopy
| |
− |
| |
− | *Diphtheritic membranes, pus and fluids can be examined by Lactophenol Cotton Blue and stained by Gram or Methylene Blue stain
| |
− |
| |
− | *Gram positive, oval, thin-walled budding cells with hyphal fragments
| |
− |
| |
− | *Grow on Blood agar and Sabouraud's Dextrose agar producing soft, creamy colonies in 24-48 hours
| |
− |
| |
− | *Grossly:
| |
− | **Exudative, papular, pustular to ulcerative dermatitis
| |
− | **Stomatitis and otitis externa may develop
| |
− |
| |
− | *Microscopically:
| |
− | **Spongiotic neutrophilic pustular inflammation
| |
− | **Parakeratosis
| |
− | **Ulcerations
| |
− | **Superficial exudate containing organisms
| |
− |
| |
− | *''Candida'' spp. in [[Mycotic skin infections - Pathology#Candidiasis|candidiasis]]
| |
| | | |
| ==Cryptococcosis== | | ==Cryptococcosis== |