University:
Camosun College
Course:
NURS132 | Promoting Health and Wellbeing
Academic year:

2023
Views:

409

Pages:

3
Author:

Aysha A

DERMATOPHYTES (Tiner Ringworm Common superficial mycoser affecting skin, hair, and nail; caused by a group of related fungi (calle D) Trichopstor Microsponem Trubrem Maudouinil T.tonsurans philic Tequinum Tverrucosun Epidermoplotn E. flococsurn M-Canis M. equinum PATHOGENESIS By direct contact with spores oskin Grow in centrifugal putlocs in the stratum corneum; leading to formation of characteristic well-demarcated annuler or ring shaped pruritic Scaf lesions with central Clearing and raised edges. • Nails Invade the nails through the lateral on superficial nail plates • • Hair shafts: Tarmelor invade hair shaft. Hair kecomes Brittle and areas of alopecia may occur. Deep, persistent supparative folliculi fos may be produced called as " Majocchi granulome" Incubation 1-2 weeks CT Tines capitis - Scalf pulches are produced on scalp. Kerion Boggy lession on scalp Farls -Cup-like crust is formed around inf hair follicle with min hair shaft inv. Einrix surface of hair shaft Endothrix - within hair, complett filliy shatt.. Tinea corporis Inlectia of non-hain skin of bay (Links) Tinea pedis Int of web-space blw toes. Tinoa craris Inf of groin aree Tinee imbricata concentric lesions of skin. CAB DIAGNOSIS Woods Lamp Examinata Certain dermalopy-Fluoren when under Woods lamp. Positive for Microsporin species and Trichopfton spews Due to (pteriding pigment in the cell wall. specimens collectin Skin cerapings, hair plucks and nail clippings are obtained from active margin of lesions and are kept in Folded black paper Hair should be plucked, not cut Direct examinatia 20-40% nail dippings) Specimen is mounted in KOH (10.1 for skin scrapings and examined for the presence of thin separate hyaline hyphae with arthroconidia If hair is involved, arthrownidia found in surface of hair shaft or within hair shaft. • CULTURE specimens should be inoculated ono SPA containing cycloherd mide & incubated at 26-28°C for 4 weeks. Potato-destro agar is used to stimulato sporulation Macroscopic rate of growth, texture, pigmentation, Colony topography. Microscopic Colonies ore teased and LPCB mount is made to demonstrate hyphae and spores دا CONIDIA smallbunicells microconidia. Slarge septate macroconidia special hyphal: porse thin septate of dine hyphae // OTHER METHODS OF DIAGNOSIS • Hair perforation test positive for Trichophyton mentagrophytos & Micros prum canis. Inoculate colony into petri-dish cont yeast, wate & Hair Fungi peine hair producing wedge-shaped perforation D -test Tricho plyton ment agropy bes Urease (+) • PCK skin test-det berkary to dermatopste antiger RAL TERBINAFANEY Itraconazole (1-2 weeks for skin lessions, 6 weetes for has infection 3 months for archong co sis ✓Albinative - oral griseofulvin & ketoconazola