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CCDM, Control of Communicable Diseases in Man
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CCDM, Control of Communicable Diseases in Man

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This Power Point is part of an Enlisted Advancement Program training series for US Navy Corpsman rating provided by Naval Medical Center Portsmouth Virginia …

This Power Point is part of an Enlisted Advancement Program training series for US Navy Corpsman rating provided by Naval Medical Center Portsmouth Virginia

Naval Medical Center Portsmouth is a military treatment facility serving active duty service members, their dependents and retirees in the Hampton Roads community of southeastern Virginia and northeastern North Carolina.

Published in: Health & Medicine, Lifestyle

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  • 1. COMMUNICABLE DISEASE IN MAN DERMATOPHYTOSIS
  • 2. DERMATOPHYTOSIS  Dermatophytosis and tinea are general terms applied to fungal infection of keratinized areas of the body (hair, skin, and nails)  Causative agents are dermatophtyes, which are subdivided according to site of infection  TINEA BARBAE &TINEA CAPITIS  TINEA CRURIS &TINEA CORPORIS  TINEA PEDIS  ONYCHOMYCOSIS
  • 3. DERMATOPHYTOSIS CON’T  TINEA BARBAE &TINEA CAPITIS (ringworm of the beard and scalp, Kerion, Favus  A fungal disease that begins as a small area of erythema and/or scaling and spreads peripherally  Leaves scaly patches of temporary baldness  Infected hairs become brittle and break off easily  Occasionally, kerions develop  A variety of tineacapitis caused byTrichophytonSchoenleinii forms favus of the scalp. ***Has a mousy smell.
  • 4. TINEA BARBAE
  • 5. TINEA CAPITIS
  • 6. KERION
  • 7. FAVUS OFTHE SCALP
  • 8. DERMATOPHYTOSIS CON’T  Examination of the scalp under UV light (wood lamp)  TrichophytonSchoenleinii – no flourescence  Microsporum – yellow-green flourescence
  • 9. Wood’s Lamp (UV light)
  • 10. DERMATOPHYTOSIS CON’T  INFECTIOUS AGENTS  Various species of Microsporum andTrichophyton  Important to know the difference for therapeutic reasons
  • 11. DERMATOPHYTOSIS CON’T  RESERVOIR  Humans harbourT  Animals, especially dogs, cats, and cattle harbour M
  • 12. DERMATOPHYTOSIS CON’T  MODE OFTRANSMISSION  Direct skin to skin or indirect contact (the backs of seats, barber clippers, combs, hairbrushes, clothing and hats that are contaminated with hair from infected people or animals)
  • 13. DERMATOPHYTOSIS CON’T  INCUBATION PERIOD  Usually 10 to 14 days  Viable fungus may persist on contaminated materials for long periods
  • 14. DERMATOPHYTOSIS CON’T  SUSCEPTIBILITY  Children below the age of puberty are highly susceptible to M  All ages are subject toT infections  Reinfections mainly occur for infections spread amongst humans
  • 15. DERMATOPHYTOSIS CON’T  METHODS OF CONTROL  Educate the public  Survey heads of young children by UV light before school entry in the presence of epidemics or in hyperendemic areas where the species is prevalent.  In mild cases, daily washing of the scalp  Sulfide shampoos help remove scales  In severe cases, wash and cover with a cap, which should be boiled after use.
  • 16. TINEA CRURIS &TINEA CORPORIS  TINEA CRURIS  Ringworm of the groin and perianal region  Also known as “jock itch”
  • 17. TINEA CRURIS &TINEA CORPORIS  TINEA CORPORIS  Ringworm of the body
  • 18. TINEA CRURIS &TINEA CORPORIS  INCUBATION PERIOD  Usually 4 to 10 days  Widespread, aggravated by friction and excessive perspiration in axillary and inguinal regions and when temps and humidity are high  All ages are susceptible
  • 19. TINEA CRURIS &TINEA CORPORIS  METHOD OF CONTROL  Launder towels and clothing with hot water and fungicidal agent  General cleanliness in public showers and dressing rooms  Thorough bathing with soap and water for removal of scabs and crusts and application of topical fungicide (miconazole, clotrimazole, etc)
  • 20. TINEA PEDIS  TINEA PEDIS  Ringworm of the foot  Also known as Athlete’s Foot
  • 21. ATHLETE’S FOOT
  • 22. ONYCHOMYCOSIS  ONYCHOMYCOSIS  Ringworm of the nails  Nail gradually becomes detached from the nail bed, thickens, and becomes discolored and brittle  The nail eventually becomes chalky and disintegrates  DX: is made by micro exam of potassium hydroxide preps of the nail and a culture
  • 23. ONYCHOMYCOSIS  RESERVOIR  Humans, rarely animals  So which one? T or M?  Incubation period is unknown
  • 24. ONYCHOMYCOSIS
  • 25.  ANY QUESTIONS????