Superficial Mycotic Diseases - medical.mums.ac.ir
102
Dr.Fata/001
Transcript of Superficial Mycotic Diseases - medical.mums.ac.ir
Dr.Fata/001
Classification of Mycoses
Mycotic DiseasesSuperficial
Cutaneous
Sub-cutaneous
Visceral
Mucocutaneous
Superficial Mycotic Diseases1) Pityrosporiosis
2) Pityriasis versicolor
3) Erythrasma
4) Trichomycosis
5) Otomycosis
6) Mycotic Keratitis
7) Piedra
8) Tinea Nigra
PityrosporiosisAgent:
Pityrosporum ovale
Malassezia ovalis
Clinical Forms of Pityrosporiosis
1:Head DandruffItching, hair loss, dandruff
2:Seborrheic DermatitisItching, erythema,dandruff
Clinical Forms of
Pityrosporiosis
Seborrheic Dermatitis
Seborrheic Dermatitis
Seborrheic Dermatitis
Laboratory Diagnosis
Direct Stained Smear
Wood Light
Pityrosporum ovale
TREATMENT of
Pityrosporosis- Shampoo:
-Selenium Sulphide 1 1 or 2.5%
-Pyrition Zinc
Malassezia furfur
M.folliculitis
P. orbicularis
Pityriasis versicolor
Budding Cells
Pseudomycelia
Blastoconidia & Pseudomycelia
Dr.Fata /S07
Common sites
Dr.Fata/S08
Patche & Macules
Dr.Fata /S09
Multiple
Small
Patches
In
Pityriasis
Versicolor
Dr.Fata/S115
Brown
Scattered
Patches
Pityriasis Versicolor
Dr.Fata /S12a
Dr.Fata/S117
Invisible Macules of Pityriasis Versicolor
Dr.Fata/S118
Light Brown Patche
Dr.Fata/S119
Hypopigmented Macules
Dr.Fata/S118a
Hypopigmented macules
Dr.Fata/S120
Hypopigmented
Patche
&
Macules
Localization
Dr.Fata/S11
Dr.Fata/S11a
Dr.Fata /S12
Hypopigmented
Patches
Dr.Fata /S12a
Dr.Fata /S13
Dr.Fata /S16a
Pityriasis versicolor
Pityriasis Versicolor
Differential Diagnosis : 1. Vitiligo
2. Chloasma
3. Pityriasis rosea
4. Tinea circinata
5. Seborrheic dermatitis
6. Secondary syphilis
7. Erythrasma
8. Pinta
Laboratory Diagnosis• Direct Fresh Smear
By KOH 10-15%
• Scotch tape Test
• Wood Light
Dr.Fata /M37
pseudomycelia
Dr.Fata/ S25
Pseudomycelia
Blastoconidia
Dr.Fata/ S26
Dr.Fata/S26a
Pseudomycelia
Blastoconidia
Treatment• Small Patches
• -Tolnaftate
• -Clotrimazole
• -ketoconazole
Treatment• Large Patches
- Shampoo:
-Selenium Sulfide 1 or 2.5%
-Pyrition Zinc
• Solutions I & II
- I : Na Hyposulphate 20%
-II :Tartaric acid 5%
Dr.Fata/S46
ERYTHRASMAAgent:
Corynebacterium
minutissimum
Clinical Signs:
Erythema
Dandruff
Pruritus
Intertrigo:AxillaGroinUmblicusInterdigits of Foot
ERYTHRASMA
Localization
Dr.Fata/S27
Dr.Fata/S28
Dr.Fata /S29
Dr.Fata/S30
Dr.Fata/S30a
Erythrasma
Erythrasma in a child
Diagnosis of Erythrasma• Direct stained smear
• Wood light
Treatment of Erythrasma
Oral
• Erythromycin
Trichomycosis Axilaris
Corynebacterium tenuis
Diagnosis:
Direct smear
Wood’s light
OtomycosisEtiologic agents:
Fungi:
• Aspergillus
• Penicillium
• Mucor
• Rhyzopus
• Scopulariopsis
Bacteria
• Pseudomonas
• Proteus
• Micrococcus
• Corynebacterium
• Eschereshia
Dr.Fata/S31
Otomycosis
Mycotic Keratitis
• Trauma
• Surgery
• Contact lense
Mycotic Keratitis
• Etiologic Agents:
• Aspergillus
• Fusarium
• Candida
• Pseudoallescheria
• Acremonium
• Actinomycets
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• Dr.Fata/s33
Piedra
• White Piedra
• Trichosporon
biegelli
• Light
• soft
• Black Piedra
• Piedra hortae
• Dark
• Firm
Nodule of Black Piedra
Dr.Fata/S57
White Piedra ( Soft Nodule)
Dr.Fata/S59
White Piedra
White Nodules on the Beard Hair
Dr.Fata/S60
Tinea Nigra
Dr.Fata/S57
Phaoanelomyces wernekeii
Tinea Nigra
Dr.Fata/S57
Tinea Nigra
Dr.Fata/S57
Dr.Fata /S37
Be
Like a
Flower
But
Long live
As a
mountain
