All of these diseases are caused by Dermatophytes - Trichyophyton, Epidermophyton, and Microsporum.
Severity of the infection caused can vary, and will depend on the organism involved. and sensitivity of the host to the organism
Organism -T. rubrum, T. mentagrophytes, E.floccosum
Infects - Feet - Athletes foot
Clinical symptoms - Vary from scaling to pustules
Itching frequently present, unpleasant odour
Blistering or cracked skin
Warmth, humidity, trauma increases susceptibility
Susceptibility increases with age
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Organism - T. rubrum, T.mentagrophytes, E. floccosum
Infects - Hands
Clinical symptoms - Similar effects to Athletes foot.
Used with permission from
Bristol Biomedical Image Archive Institute for Learning and Research
Technology University of Bristol
Organism - T.rubrum, T.mentagrophytes, M.canis.
Infects - Bare and smooth skin
Clinical symptoms - Red, scaly lesions/blisters, itching
Occurs after direct contact with infected animals or humans
Commonly spread by sharing towels, clothes
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TINEA CAPITIS
Organism - Trichophyton or
Microsporum sp,
Infects
- Scalp hair, eyebrows, eyelashes
Clinical
symptoms - Hair loss, scaling, and itching, inflammation
Usually in childhood, in conditions of
poor hygiene and overcrowding
Diagnosed by UV fluorescent light
Image kindly supplied by www.dermnet.org.nz and used with permission
Organism - E.floccosum, T.mentagrophtes, T.rubrum
Infects the groin and buttocks
Clinical symptoms - similar to T.corporis
Causing factors - Moisture, skin trauma, wet/tight clothes, obesity
Commonest in males, spread from the feet.
Image kindly supplied by www.dermnet.org.nz and used with permission
Organism - T.mentagrophytes or T. verrucosum
Infects beard hair
Clinical Symptoms - red lesions, itching
Usually in men in contact with infected animals
Image kindly supplied by www.dermnet.org.nz and used with permission
Organism - T.rubrum, T.mentagrophytes
Infects nail bed
Clinical Symptoms - Discolouration and thickening of the nail
Image kindly supplied by www.dermnet.org.nz
and used with permission
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