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Dermatophytosis

Dermatophytosis. Mycology Huda Alzubaidi December 2, 2013. Outline. Introduction Transmission Causes Symptoms Types of infection Conclusion. Inroduction. Dermatophytosis is a mycotic infection of the hair, skin, or nails. The fungi that cause dermatophytosis are Dermatophytes.

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Dermatophytosis

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  1. Dermatophytosis Mycology Huda Alzubaidi December 2, 2013

  2. Outline • Introduction • Transmission • Causes • Symptoms • Types of infection • Conclusion

  3. Inroduction • Dermatophytosis is a mycotic infection of the hair, skin, or nails. • The fungi that cause dermatophytosis are Dermatophytes. • The genera which cause this infection include: Trichophyton, Microsporum & Epidermophyton . • The most common diseases that dermatophytes cause are Tinea pideas (Athlete’s Foot) and Tinea capitis (ringworm).

  4. Facts • Approximately 70% of the world’s population is predicted to experience dermatophytosis during their lifetime. • Infection only occurs when skin conditions are in a warm and moist environment. • Adult males are more susceptible to Athlete’s foot while children are more likely to experience Tinea capitis.

  5. Athlete’s foot • Tinea pedis • Fungal infection that commonly occurs on the soles of the feet and between the webs of toes. • The name was derived from common infection within athletes

  6. Trichophyton Trichophyton rubrum Trichophyton mentagrophytes

  7. Causes • Poor hygiene • Walking barefoot in contaminated environments. • Wearing tight fitting shoes that are airless and prevent sweat from evaporating.

  8. Transmission Direct contact: Skin-to-skin contact Indirect contact: Shoes Towels Nail salons Swimming pools

  9. General Symptoms • Cracks and skin peeling between two toes • Soreness • Itchiness • Sweaty • Smelly feet

  10. Risk factors for Athlete’s foot • Immunocompromised • Those on immunosuppresants • Organ transplant patient’s • Diabetes

  11. Toe web infection Inter-digital infection. The most common type of athlete’s foot infection, Easiest type of Athlete’s foot to treat.

  12. Moccasin infection • Moccasin type of infection is long lasting or chronic. • Caused by T. rubum • Severe cases this type of infection may lead to crumbling or fall out of toenails.

  13. Vesicular infection • Caused by T.mentagrophytes. • The least common of infection . • Begins as fluid-filled blisters on the skin, between toes, on the heel, or sole of the foot.

  14. Treatment& Prevention Treatment: • Non prescription topical antifungals such as Micatin. • prescription topical & oral antifungals such as Naftin & Lamisil . Prevention: • Avoid walking barefoot. • Keep your feet dry. • Wear cotton socks.

  15. Tinea capitis

  16. Causal species • Microsporum canis • M. audouinii • M. distortum • M. cookei

  17. Risk factors of Tinea capitis • Ages: 3-7 years old • Daycare centers. • Nursing homes • Immunocompromised • HIV & Cancer • Organ transplant patients

  18. Transmission • Direct contact with infected area of someone else. • Sharing contaminated combs, hats or bed clothes. • Pets such as dog & cats

  19. Tinea capitis Symptoms • Head rash & Scalp pain • Localized redness & swelling on the scalp. • Patches become lumpy. • Hair loss & lasting scars..

  20. Types of Tinea capitis infection • Three types: • Ectothrix infection • Endothrix infection • Favus infection

  21. Treatment& Prevention Treatment: Oral therapy can be used such as Griseofulvin. Prevention: Wash your hair regularly. No sharing personal items.

  22. Conclusion • Dermatophytosis is a fungal infection that infect the skin, hair and nails. • It is a zoonotic infection which can be transferred from animals to human. • It is more prevalent in warm climate. • The most common disease of dermatophytosis are Tinea pedis & Tinea capitis

  23. References • Alters, S., & Schiff, W. (2011). Essential concepts for healthy living. Sudbury, Mass: Jones and Bartlett Publishers. • Baxter, D. E., Porter, D. A., & Schon, L. (2008). Baxter's the foot and ankle in sport. Philadelphia, PA: Mosby Elsevier. • Bragg, P. C., & Bragg, P. (2004). Bragg build strong healthy feet. Santa Barbara, Calif: Health Science. • Diseases, disorders, and injuries. (2011). New York: Marshall Cavendish Reference. • Markova, T. (2002). What is the most effective treatment for tineapedis (athletes’s foot)? Journal of Family Practice; 51(1):21. • Parekh, S. G., Patel, D., & Parekh, J. G. (2012). Foot and ankle surgery. New Delhi, India: Jaypee Brothers Medical Publishers. • Silverstein, A., Silverstein, V. B., & Nunn, L. S. (2011). Tapeworms, foot fungus, lice, and more: The yucky disease book. Berkeley Heights, NJ: Enslow Publishers

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