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Dermatophytosis Cutaneous mycosis Dermatomycosis Yeast Saprophytes

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Presentation on theme: "Dermatophytosis Cutaneous mycosis Dermatomycosis Yeast Saprophytes"— Presentation transcript:

1 Dermatophytosis Cutaneous mycosis Dermatomycosis Yeast Saprophytes
Systemic mycosis Dermatophytes Dermatophytosis

2 Dermatophytosis Definition Greek English Persian Dermatophytes

3 Dermatophytosis Dermatophyte Sexual Asexual Trichophyton Microsporum
Arthroderma Asexual Macroconidia Trichophyton Microsporum Epidermophyton

4 Dermatophytosis Trichophyton Microsporum Epidermophyton Cylinder
Spindle Epidermophyton Club

5 Dermatophytosis Trichophyton Microsporum Epidermophyton
T.rubrum, T.mentagrophytes, T.violaseum, T.schoenleinii, T.verrucosum Microsporum M.canis, M.gypseum Epidermophyton E.floccosum

6 Dermatophytosis Geophilic Zoophilic Anthropophilic M.gypseum
M.canis, T.verrucosum Anthropophilic T.rubrum, T.violaseum, T.schoenleinii E.floccosum

7 Dermatophytosis Tinea capitis Tinea barbae Tinea cruris Tinea pedis
Tinea mannum Tinea corporis Tinea unguium

8 Tinea capitis Definition Trichophyton & Microsporum
Clinical manifestation Crust Krion Scatulum Age Genus Ectothrix, Endothrix, Favus

9 Ectothrix Outside Krion Cuticle Gray patch Age Genus After maturation
M.canis, M.audouinii, T.verrucosum, T.mentagrophytes

10 M.canis Zoophilic Dog & cat Yellow Microconidia Few Macroconidia
Thick wall Knob

11 M.gypseum Geophilic Favus( may be) Red Don't have knob

12 Endothrix Inside Cuticle Black dot, bald patch Age Genus
After maturation Anthropophilic T.violaceum, T.sudanense, T.tonsuranse

13 Favus Hyphae (Air canal) lustreless scatulum Age Genus
After maturation Cheesy or mouse judder T.schoenlinii

14 T.schoenleinii Anthropophilic Favic chandelier

15 Differential diagnosis
Alopecia Trichotillomania

16 Laboratory diagnosis Sampling Culture Direct Sesser Scc(2)
Ectothrix, Endothrix, Favus

17 Dermatophytosis Tinea capitis

18 Dermatophytosis Tinea capitis

19 Dermatophytosis Tinea capitis

20 Dermatophytosis Tinea capitis

21 Dermatophytosis Tinea capitis

22 Dermatophytosis Tinea capitis

23 Dermatophytosis Tinea capitis

24 Dermatophytosis Tinea capitis

25 Dermatophytosis Tinea capitis

26 Dermatophytosis Tinea capitis

27 Dermatophytosis Tinea capitis

28 Dermatophytosis Tinea capitis

29 Dermatophytosis Tinea capitis

30 Dermatophytosis Tinea capitis

31

32 Tinea barbae Definition Genus Age Beard & mustache Zoophilic
T.verrucosum, T.mentagrophytes

33 T.Verrucosum Zoophilic Cow & cattle 37° Chlamydioconidia

34 Tinea barbae Clinical manifestation Circular Scaling Vesicle
Ectothrix, Endothrix, Favus

35 Dermatophytosis Tinea barbae

36 Dermatophytosis Tinea barbae

37 Dermatophytosis Tinea barbae

38 Tinea barbae Differential diagnosis Alopecia Laboratory diagnosis

39 Tinea cruris Definition Sever itch With tinea pedis Ecology Male
Anthropophilic E.floccosum, T.mentagrophytes, T.rubrum

40 E.floccosum Anthropophilic Do not have microconidia Macroconidia
2-4 or 3-5 cells E.stoackdaleae

41 Tinea cruris Clinical manifestation Maculae Red Vesicle Erythematic
Itch Don't involve pubis

42 Dermatophytosis Tinea cruris

43 Dermatophytosis Tinea cruris

44 Dermatophytosis Tinea cruris

45 Dermatophytosis Tinea cruris

46

47 Tinea pedis Athlet ́s foot Age Shoes, warm, moisture T.M, T.R, E.F

48 Tinea pedis Clinical manifestation Chronic intertrigenous
Chronic papulosquamous hyperkeratotic Vesicular or sub acute Acute ulcerative

49 Tinea pedis Chronic intertrigenous Common type White scale
Between 5,4 & 4,3 Itch

50 Dermatophytosis Tinea pedis

51 Dermatophytosis Tinea pedis

52 Dermatophytosis Tinea pedis

53 Tinea pedis Chronic papulosquamous hyperkeratotic T.rubrum
Moccasin foot Scaling

54 Dermatophytosis Tinea pedis

55 Dermatophytosis Tinea pedis

56 Tinea pedis Vesicular or sub acute T.M, T.R Id reaction Dermatophytid

57 Dermatophytosis Tinea pedis

58 Dermatophytosis Tinea pedis

59 Dermatophytosis Tinea pedis

60 Dermatophytosis Tinea pedis

61 Dermatophytosis Tinea pedis

62 Tinea pedis Acute ulcerative Bacteria Treatment is difficult

63

64 Tinea mannum Definition Position Clinical manifestation Agents

65 T.mentagrophytes 4 strain Interdigital is anthropophilic
Erinaci is zoophilic (-) Hair penetration DW ml 10% yeast extract D Horse hair 25° to 4 week

66 T.mentagrophytes Hyphae Spiral or coil Macroconidia Club

67 T.rubrum Anthropopilic CMA Urease Hair Sorbitol

68 Tinea corporis Definition Trichophyton Microsporum Body reaction
Contagious Direct & indirect Annular Center & margin Vesicle T.M, T.V

69 Dermatophytosis Tinea corporis

70 Dermatophytosis Tinea corporis

71 Dermatophytosis Tinea corporis

72 Tinea corporis Tinea imbricata T.concentricum Anthropophilic
Clinical manifestation Genetic Ecology

73 Tinea imbricata

74 Tinea imbricata

75 Laboratory diagnosis Tinea cruris, pedis, mannum & corporis Sampling
Direct Culture

76

77 Tinea unguium Definition Onychomycosis Yeast Saprophytes
scopulariopsis

78 Tinea unguium Leukonychia mycotica invasive

79 Dermatophytosis Tinea unguium

80 Dermatophytosis Tinea unguium

81 Dermatophytosis Tinea unguium

82 Dermatophytosis Tinea unguium

83 Dermatophytosis Tinea unguium

84 Dermatophytosis Tinea unguium

85 Dermatophytosis Tinea unguium

86 Dermatophytosis Onychomycosis

87 Dermatophytosis Onychomycosis

88

89 Dermatophytosis Treatment Griseofulvine Terbinafin

90 Factors involved Regional Individual Heat Humidity Local Systemic
Hyperhydrosis Local steroid Systemic Immunosuppression Corticosteroid

91 Antigens Complex structure Cell wall Antigen Enzymes

92 Cell wall Antigen Chitin Glucan Mannoprotein Galactomannan

93 Enzymes Keratinase Elastase Collagenase Proteinase Metalloproteinase
Serine proteinase

94 Immune system Skin Unsaturated transferin α2 macroglobulin

95 Skin Physical & chemical barrier Innate immunity Low humidity UV Flora

96 skin Keratinization & Epidermal Proliferation Antifungal agent
Increase turn over Shedding Antifungal agent Saturated fatty acid

97 Immune system Unsaturated transferin α2 macroglobulin Free iron
e chain transport Krebs cycle α2 macroglobulin Keratinase inhibition

98 The inflammatory response
Reverse relationship Inflammatory & chronic Anthropophilic Inflammation low Infection permanent Zoophilic & geophilic Inflammation sever Infection self limitation

99 The inflammatory response
Dermatophyte → complement → chemo tactic alternative C5a Neutrophile Activation Myeloproxidase Oxidative Hydrogen peroxide Super oxide Defensin Nonoxidative Catepsin Lactoferin

100 Humeral immunity Types of Ab IgG, IgM, IgA & IgE Nonprotective

101 Cell mediated immunity
Deficiency in CMI Permanent infection Recurrent infection

102 Regulation Of Immune Response
Mannan Immune inhibitor Blocking of monocyte receptors In vitro Inhibition of lymphoblast production Inhibition of lymphocyte proliferation

103 Immunization T.verrucosum LFT-130 Drug therapy


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