.

: Superficial dermatophyte

Dermatophytosis

(Superficial fungal infection)

Obesity Acanthosis nigricans Acrochordons Adiposis dolorosa Bacterial infections Candidiasis Dermatophytosis Frictional hyperpigmentation Gout Hidradenitis Hyperhidrosis

Obesity Intertrigo Keratosis pilaris Lipodermatosclerosis Plantar hyperkeratosis Pseudoacanthosis nigricans Psoriasis Stasis dermatitis Striae distensae Venous insufficiency ulcers

The Past Medical History, Social History, and Review of Systems: Athlete

Acne mechanica Calluses Chafing Erythrasma Exercise-induced anaphylaxis Folliculitis Friction blister Frostbite Furunculosis Herpes gladiatorum

The Past Medical History, Social History, and Review of Systems: Athlete

Impetigo Joggers nipples Molluscum contagiosum Otitis externa Pitted keratolysis Subungual hematoma Sunburn Talon noir Tinea gladiatorum Tinea cruris Tinea pedis

: Woods light

Microsporum spp T. tonsurans

P. versicolor: gloden yellow fluorescence

KOH

dermatophyte : branching hyaline, septate hyphae, arthropsores

black mould : brown septate hyphae : yeasts + filaments

(pseudohyphae)

(Culture for dermatophyte)

dermatophyte 28C 1

: 32-34C 1

: 37C 24-48

()

: ? ; topical systemic Rx ( )

Tinea .?. (...) ; head, face, bead area,

body, hand ,foot, groin, nail etc. dermatophytes () 3

(genera) Microsporum Trichophyton Epidermophyton

Thailand, BKK (form infectious cluster): T. capitis:

M. canis (ectothrik) T. tonsurans (endothrik)

T. corporis: T. rubrum T. cruris: T. rubrum, E. floccosum T. pedis: T.rubrum, T. mentagrophyte, T. interdigitale T. ungium: T.rubrum, T. mentagrophyte, T. interdigitale T.versicolor: Malessia species complex (M. globosa, M.

furfur, M. sypodialis)

(Tinea capitis)

( ) ( )

Microsporum spp. Trichophyton spp. : T. tonsurans M. canis

noninflammatory, human, epidemic type

(gray patch

ringworm) (black dots).

inflammatory Type

(kerion)

(scarring alopecia)

(asymptomatic carrier state)

T. tonsurans,T. violaceum

Tinea Capitis (Inflammatory type and noninflammatory type)

Tinea Capitis

Differential Diagnosis Alopecia areata Bacterial pyoderma Demidicosis Dermatomyositis Dissecting cellulitis Folliculitis Folliculitis decalvans Impetigo

Tinea Capitis Differential Diagnosis

Lichen simplex Lupus erythematosus Pediculosis Pemphigus foliaceus Pityriasis amiantacea Psoriasis Seborrheic dermatitis Secondary syphilis Traction alopecia Triangular temporal alopecia Trichotillomania

Further reading: Seebacher C, Abeck D, Brasch J et al. (2007) Tinea capitis: ringworm of the scalp. Mycoses 50(3):218226.

:

Griseofulvin 10 mg/kg x 3 months

Itraconazole 100 mg/day x 46 weeks Itraconazole pulse therapy 5

mg/kg/day x 1 week/monthx 34 months

:

Terbinafine 250 mg/day x 4 6 wks M. canis

Fluconazole, oral suspension,

2% ketoconazole shampoo 1% selenium sulphide shampoo

(tinea capitis)

(morphology) ( ) (black dot) ....

Tinea capitis

Tinea capitis

Kerion

Tinea capitis

Tinea capitis

Griseofulvin; microcrystalline form

1g/day ultramicrosized form 0.5 g/day

ultramicrosized 10-15

mg/kg/day

6-8 .

griseofulvin 20 -25 mg/kg/day

pulse therapy, single-dose griseofulvin (2 - 3 g)

glucocorticoids

prednisone is 1 mg/kg/day 10 -15

griseofulvin

Oral ketoconazole Trichophyton spp. Oral itraconazole Microsporum

Trichophyton species 100 mg/d x 6 -10 weeks, 3-5 mg/kg/day.

Oral terbinafine125 mg/day x 6 weeks oral fluconazole

(Tinea Barbae)

: T. mentagrophytes T.

verrucosum.

: Inflammatory or kerion-like : tinea

capitis. Superficial or sycosiform type :

bacterial folliculitis. Circinate, spreading type : tinea

circinata of glabrous skin.

Differential Diagnosis Acne vulgaris Actinomycosis Bacterial folliculitis Blastomycosis Blastomycosis-like pyoderma Dental sinus Halogenoderma Herpetic sycosis

Differential Diagnosis

Impetigo Lupus vulgaris Perioral dermatitis Pseudofolliculitis barbae Pyoderma faciale Ruptured epidermal inclusion cyst Seborrheic dermatitis Sweets syndrome Sycosis barbae Syphilis

Further reading: Maeda M, Nakashima T, Satho M et al. (2002) Tinea barbae due to Trichophyton

verrucosum. Eur J Dermatol 12(3):272274.

Griseofulvin(microsized) 1 g/day x 2 - 3

antifungals, wet compresses,

systemic glucocorticoid therapy

(Tinea faciei)

dermatophyte T. rubrum annular, often unilateral scaly plaques

Differential Diagnosis Actinic keratosis Atopic dermatitis Candidiasis Coccidioidomycosis Contact dermatitis Demodex folliculitis Granuloma annulare Lupus erythematosus Lupus vulgaris

Differential Diagnosis -Jessners lymphocytic infiltrate -Perioral dermatitis -Pityriasis alba -Polymorphous light eruption -Psoriasis -Pyoderma -Rosacea -Sarcoidosis -Seborrheic dermatitis -Syphilis

Further reading: Lin RL, Szepietowski JC, Schwartz RA (2004) Tinea faciei, an often deceptive facial

eruption. Int J Dermatol 43(6):437440.

(Tinea Corporis)

Trichophyton, Microsporum Epidermophyton.

T. rubrum, M. canis T. mentagrophytes.

:

(zoophilic species)

Subtypes/ variants Tinea corporis, classic Tinea gladiatorum Tinea imbricata Tinea profunda (Majocchis granuloma)

Differential Diagnosis Candidiasis Contact dermatitis Cutaneous T-cell lymphoma Erythema annulare centrifugum Granuloma annulare Lupus erythematosus Nummular eczema

Differential Diagnosis Parapsoriasis Pityriasia rosea (herald patch) Psoriasis Pyoderma Sarcoidosis Seborrheic dermatitis Subacute cutaneous lupus erythematosus

Differential Diagnosis Superficial pemphigus Syphilis Tinea versicolor

Further reading:Ziemer M, Seyfarth F, Elsner P, Hipler UC (2007) Atypical manifestations of tinea corporis. Mycoses 50 (Suppl 2):3135

Tinea Incognito : .

Differential Diagnosis

Discoid lupus erythematosus Impetigo Lichen planus Nummular eczema Psoriasis Purpura Rosacea Seborrheic dermatitis

Further reading: Romano C, Maritati E, Gianni C (2006) Tinea incognito in Italy: a 15-year survey. Mycoses 49(5):383387

Tinea incognito

:

azole (clotrimazole, econazole, miconazole, sulconazole), naftifine terbinafine x 24

allylamines, benzylamine, imidazoles,

ketoconazole miconazole

griseofulvin (micronized) 1 g/day

:

: Griseofulvin 10 mg/kg x 4 Itraconazole 200 mg/day x 1 Terbinafine 250 mg/day x 24 ketoconazole 200 mg/day x 10

(Tinea pedis)

: dermatophyte

erythema, chronic diffuse

desquamation, bulla formation : T. rubrum, T. mentagrophytes,

E. floccosum

Tinea Pedis ( 4 )

Subtypes/ Variants Interdigital Moccasin Ulcerative Vesiculobullous

(Tinea manuum)

: dermatophyte

1. Dyshidrotic (eczematoid)

2. Hyperkeratotic:

(Tinea manuum)

(Tinea pedis)

Pitted keratolysis

Actinomycoses

(Tinea manum) (Tinea pedis)

Differential Diagnosis Atopic dermatitis Contact dermatitis Dyshidrotic eczema Keratolysis exfoliativa Palmoplantar pustulosis Psoriasis

Differential Diagnosis Acral lentiginous melanoma Atopic dermatitis Candidiasis Contact dermatitis Dyshidrotic eczema Erythrasma Erythema multiforme Friction blister Gram-negative toe-web infection

Differential Diagnosis

Id reaction Juvenile plantar dermatosis Kaposis sarcoma Localized bullous pemphigoid Mycosis fungoides palmaris et plantaris Pagetoid reticulosis Psoriasis Pyoderma Scabies Syphilis WeberCockayne syndrome

Further reading: Ecemis T, Degerli K, Aktas E et al. (2006) The necessity of culture for the diagnosis

of tinea pedis. Am J Med Sci 331(2):8890.

(Tinea pedis)

(Tinea pedis)

(talcum/antifungal powders undecylenic acid tolnaftate powders)

20% - 25 % aluminum chloride hexahydrate topically

imidazole allylamine

griseofulvin

griseofulvin terbinafine, ketoconazole, itraconazole

:

Itraconazole 200400 mg/day x 1 Oral terbinafine 250 mg/day x 2-6

Hendersonula toruloidea

whitefield ointment

Id Reaction

immune-mediated skin reaction (infections or infestations).

: symmetric erythematous papules, vesicles eczematous

Id Reaction Differential Diagnosis

Seborrheic dermatitis Stasis dermatitis

Associations Bacterial infection Dermatophyte infection Molluscum contagiosum Pediculosis capitis Scabies infestation Tick bite

Further reading: Atzori L, Pau M, Aste M (2003) Erythema multiforme ID reaction in atypical

dermatophytosis: a case report. J Eur Acad Dermatol Venereol 17(6):699701

Id Reaction Differential Diagnosis

Atopic dermatitis Autoeczematization Contact dermatitis Dermatophytosis Drug eruption Dyshidrotic eczema Erysipelas Erythema multiforme Folliculitis GianottiCrosti syndrome Pityriasis lichenoides et varioliformis acuta Scabies

(Tinea Cruris)

: subacute chronic dermatophytosis genitalia, pubic area, perineal perianal skin.

The scrotum usually appear completely normal.

Anthropophilic dermatophytes: E. floccosum T. rubrum

[ E. floccosum (most common), T. rubrum T. mentagrophytes]

:

(erythematous lesions with central clearing)

KOH: branching hyphae + arthrospores.

Differential Diagnosis Acanthosis nigricans Baboon syndrome Candidiasis Contact dermatitis Erythrasma Extramammary Pagets disease HaileyHailey disease

Intertrigo Inverse pityriasis rosea Irritant dermatitis Langerhans cell histiocytosis Mycosis fungoides Pediculosis Pemphigus foliaceus Psoriasis Pyoderma Seborrheic dermatitis

haloprogin, tolnaftate imidazoles (miconazole, clotrimazole, econazole)

; griseofulvin (micronized form) 500 -1000 mg/day

:

azole (clotrimazole, econazole, miconazole, sulconazole), naftifine terbinafine - 2-4

: Itraconazole 200 mg/day x 1 Terbinafine 250 mg/day x 24 Griseofulvin 10 mg/kg x 4

:

20-25

Intertrigo

: pruritus, erythema, scale maceration

Intertrigo Differential Diagnosis Acanthosis nigricans Acrodermatitis enteropathica Baboon syndrome Biotin deficiency Bowens disease Candidiasis Contact dermatitis Dermatophytosis

Intertrigo Differential Diagnosis

Erythrasma Extramammary Pagets disease HaileyHailey disease Granuloma gluteale infantum Langerhans cell histiocytosis Inverse psoriasis Necrolytic migratory erythema Pemphigus Seborrheic dermatitis Staphylococcal infection Streptococcal infection

Intertrigo

Evaluation Gram stain bacterial culture KOH and fungal culture

Further reading: Farage MA, Miller KW, Berardesca E, Maibach HI (2007) Incontinence in the aged: contact dermatitis and other cutaneous consequences. Contact dermatitis 57(4):211217

Intertrigo

Intertrigo

(Tinea unguium and onychomycosis)

T. unguium : dermatophyte infection of the nail plate.

Onychomycosis : all infection of the nail caused by any fungus, including nondermatophytes and yeasts.

anthropophilic species T. mentagrophytes var. interdigitale and T.

rubrum. zoophilic

species.

(most common dermatophytes) : T. rubrum, T. mentagrophytes var. interdigitale, E. floccosum

Candida albicans chronic mucocutaneous candidiasis (CMCC).

T. rubrum

: , , ,

(T. unguium onychomycosis)

onychomycosis 4 : Distal subungual onychomycosis (DSO) Proximal subungual onychomycosis (PSO) White superficial onychomycosis (WSO) Candidal onychomycosis

Associations AIDS Diabetes mellitus Elderly Peripheral vascular disease Smokers Tinea pedis Trauma

Further reading: Scher RK, Tavakkol A, Sigurgeirsson B (2007) Onychomycosis: diagnosis and definition of cure. J Am Acad Dermatol 56(6):939944.

:

:

White yellow irregular lesion

SWO T. mentagrophytes var. interdigitale.

KOH 28C / cycloheximide

dermatophyte non-dermatophyte mould infections

subungual material

(Tinea unguium and onychomycosis)

Differential Diagnosis Bacterial paronychia Chronic mucocutaneous candidiasis Contact dermatitis Dariers disease Lichen planus Melanoma Nailpatella syndrome Nondermatophyte onychomycosis Norwegian scabies

Green-nail syndrome : P. aeruginosa : onycholysis greenish discoloration of the nail

Differential Diagnosis

Aspergillus infection Dermatosis neglecta Foreign body Melanocytic nevus Melanoma Subungual hematoma

Further reading: Sakata S, Howard A (2007) Pseudomonas chloronychia in a patient with nail psoriasis. Med J Aust

186(8):424

Differential Diagnosis

Old age Onychogryposis Onycholysis Pachyonychia congenita Peripheral vascular disease Pincer nail deformity Pityriasis rubra pilaris Pseudomonal infection Psoriasis Traumatic nail dystrophy Twenty-nail dystrophy Yellow-nail syndrome

Ingrown Toenail (Onychocryptosis, Unguis Incarnatus)

: pain, erythema, swelling exuberant granulation tissue

Differential Diagnosis

Amelanotic melanoma Metastatic lesion Paronychia Pyogenic granuloma

Association

Congenital malalignment of the great toenails

Further reading: Daniel CR III, Iorizzo M, Tosti A, Piraccini BM (2006) Ingrown toenails. Cutis 78(6):407408.

(In-growing nails)

(SWO) distall nail involvement

: amorolfine, weekly intervals tioconazole x2/d x 6 () 912 ()

griseofulvin x 4-6-8 10 -18

: itraconazole 2 - 3 pulses treatment 400 mg/day x 1 4 200 mg/day 3

terbinafine 250 mg/day x 612 (), >12 ()

fluconazole 150450 mg x 69 (), 3 months ()

Terbinafine 250 mg/d 3 - 6

12 6

40% urea griseofulvin

nondermatophytic fungi (surgical avulsion chemical destruction)

Yeast Infections

Candida spp. Pityrosporum spp.

(Candidiasis)

oral candidiasis

: genus Candida

oral candidiasis

Candida albicans ( 6080 ) 8

humoral or cell-mediated

immunological impairment, debilitation

oral candidiasis

Acute pseudomembranous candidosis (thrush): white raised lesions on buccal mucosa, gums or tongue (infants, the elderly, HIV-infected, diabetics, cancer patients and steroid users).

Erythematous candidiasis: erythema, oedema Acute atrophic candidiasis: antibiotic

stomatitis.

oral candidiasis

Chronic atrophic candidiasis: denture stomatitis and glossitis.

Chronic hyperplastic candidiasis (oral leukoplakia): , translucent or dense, opaque white plaques on cheeks, commissures and tongue.

oral candidiasis

Angular cheilitis: soreness, erythema and fissuring at corners of mouth 20

Chronic mucocutaneous candidosis (CMCC): oral manifestation of candidiasis congenital immunological endocrinological disorders.

oral candidiasis

topical nystatin, amphotericin B or azole x 2

oral candidiasis

: Fluconazole 100200 mg/day x 2

400800 mg/day Itraconazole 200400 mg/day x 12 Parenteral Amphotericin B 0.50.7 mg/kg/day

x 1

oral candidiasis

Prophylaxis fluconazole itraconazole

(Vaginal candidiasis, vaginal thrush)

: genus Candida

80 Candida albicans C. glabrata Candida spp.

C. albicans perianal

intertrigo

:

high vaginal swab yeasts + filaments 40

37C yeast colonies 90

Acute vaginal candidosis

Topical nystatin tablets x 14 azole clotrimazole, miconazole,

econazole, ketoconazole creams and pessaries x 6 fluconazole, single dose 150 mg Itraconazole 200 mg x 2 8

Recurrent vaginal candidosis clotrimazole 500 mg 2-4 fluconazole 150 mg 1 36

: Candida

spp. confluent, bright-red erythematous plaques

white exudate satellite lesions Subtypes/ Variants Cutaneous

Balanitis Diaper dermatitis Disseminated/systemic Erosio interdigitalis blastomycetica Intertrigo Paronychia Vulvovaginitis

interdigital candidosis C. albicans candida granuloma angular

cheilitis chronic mucocutaneous candidosis ( congenital defects in cell-mediated immunity)

mucosal cutaneous infections C. albicans C. tropicalis

epidermal barrier function

:

intertriginous areas groin, axillae submammary folds

, ,

:

Candida paronychia proximal nail fold cuticle

erythema, oedema purulent discharge

Chronic mucocutaneous candidosis (CMC) erythematous granulomatous infection cell mediated immunity

:

1: Familial CMC: AR inheritance iron deficiency

2: Diffuse CMC: sporadic disorder oral cavity especially

3 : Candidiasisendocrinopathy syndrome hypoparathyroidism, hypoadrenocorticism, hypothyroidism,

4: Late onset CMC

:

KOH: skin scrapings/swabs filaments

37C 2448

Oral candidiasis

Cutaneous Candidiasis

Candidiasis

Candidiasis

Candidiasis

Candidiasis

:

(folliculitis) : itraconazole 200 mg/day fluconazole 100

mg/day. azole agents, nystatin naftifine

12

Oral: Acute atrophic Acute pseudomembranous Angular cheilitis (perleche) Chronic atrophic Chronic hyperplastic Median rhomboid glossitis

Differential Diagnosis Cutaneous: Contact dermatitis Dermatophyte infection HaileyHailey disease Intertrigo Lichen planus Psoriasis Pseudomonal infection Seborrheic dermatitis Subcorneal pustular dermatosis

Oral: Aphthous stomatitis Fordyce spots Hairy leukoplakia Herpes simplex virus infection Leukoplakia Lichen planus Pemphigus vulgaris White sponge nevus

Associations Acrodermatitis enteropathica ChediakHigashi syndrome Chronic granulomatous disease Chronic mucocutaneous candidiasis Corticosteroids Cushing syndrome Diabetes mellitus DiGeorge syndrome Down syndrome Endocrinopathies HIV infection Hyper IgE syndrome Nezelof syndrome Nutritional deficiency Severe combined immunodeficiency Thymoma

Geographic tongue

Geographic Tongue (Benign Migratory Glossitis)

benign inflammatory disorder of the dorsal tongue

serpiginous erythematous plaques devoid of filiform papillae with a yellow hyperkeratotic border

Differential Diagnosis Burns Candidiasis Contact stomatitis Eruptive lingual papillitis Lichen planus Lingua plicata Median rhomboid glossitis Syphilis

Geographic Tongue (Benign Migratory Glossitis)

Associations AIDS Atopic dermatitis Fissured tongue Lithium therapy Psoriasis

Further reading: Zargari O (2006) The prevalence and significance of fissured tongue

and geographical tongue in psoriatic patients. Clin Exp Dermatol 31(2):192195.

Scrotal Tongue (Lingua Plicata, Fissured Tongue)

idiopathic textural change of the dorsal tongue

: furrows or grooves giving the tongue a cerebriform or rugous appearance

Differential Diagnosis Amyloid infiltration Geographic tongue Lymphedema Lymphangioma Macroglossia Mucosal neuroma syndrome Syphilitic glossitis

Scrotal Tongue (Lingua Plicata, Fissured Tongue)

Associations Acrodermatitis continua BazexDupreChristol syndrome Cowden syndrome Down syndrome MelkersonRosenthal syndrome Pachyonychia congenita Pemphigus vegetans

Further reading: Zargari O (2006) The prevalence and significance of fissured tongue and geographical tongue in psoriatic patients. Clin Exp Dermatol 31(2):192195.

topical antifungals Nystatin suspension;400,000-600,000 U

4 Clotrimazole troches;10 mg

1 - 2% gentian violet Chlorhexidine

Ketoconazole;200 mg/d x 1 to 2 weeks 400

mg/d x 1 - 2 weeks in AIDS. Fluconazole;50 to 100 mg/d x 1 week. Itraconazole;100 mg/d x 3 weeks 200 mg/d x 3

weeks prophylactic therapy:

ketoconazole fluconazole

Clotrimazole suppository 500-mg

(single-dose therapy ) 150-mg fluconazole tablet ( 5 )

candidal vaginitis single-dose therapy prophylactic regimens

Intertrigo (candidiasis); Nystatin cream powder form midazole cream

Terconazole intravaginal dose clotrimazole cream

Fluconazole 150-mg (prophylactic regimens) HIV-positive

Fluconazole 200 mg/week candidal balanitis: clotrimazole topical

cream fluconazole 150-mg

(Candidal paronychia) Redness, swelling, and tenderness of the

paronychial area with prominent retraction of the cuticle toward the proximal nail fold.

: onycholysis,

transverse ridging of the nail plate

Chronic paronychia

proximal nail fold Candida paronychia

chronic candidiasis paronychia

proximal nail fold

topical imidazole 4 % thymol absolute alcohol

anticandidal activity ketoconazole surgical

marsupialization proximal nail fold area

Pityrosporum infections of the Skin

(Pityriasis versicolor, Eichstedts Disease)

: Malassezia yeasts Malassezia globosa

:

Malassezia spp. : M. furfur ( Pityrosporum ovale P.

orbiculare) M. obtuse M. restricta M. slooffiae

M. sypodialis () M. dermatis (

atopic dermatitis) KOH: budding yeast cells + numerous filaments. (sebaceous areas) 2040

Pityrosporum infections of the Skin

: Papulosquamous lesions Folliculitis Inverse tinea versicolor

Inverse form of pityriasis versicolor

* Located predominantly in flexural areas.

: asymptomatic, patchy scaly areas of hyperpigmentation hypopigmentation upper chest, back, neck, abdomen proximal extremities

P. versicolor atrophic macules (pityriasis versicolor atrophicans)

:

Woods light pale yellow

fluorescence

Pityriasis versicolor

(Pityriasis versicolor)

:

KOH: oval, budding yeasts + short filaments. : 3234C

1 small, yellow-cream colonies

Differential Diagnosis Anetoderma Confluent and reticulated papillomatosis Epidermodysplasia verruciformis Erythema dyschromicum perstans Erythrasma

Differential diagnosis Florid cutaneous papillomatosis Idiopathic eruptive macular pigmentation Lupus erythematosus Melasma Multiple tumors of the follicular infundibulum Mycosis fungoides Parapsoriasis Pinta

Differential diagnosis

Pityriasis alba Pityriasis rosea Pityriasis rubra pilaris Progressive macular hypomelanosis Postinflammatory hypopigmentation Seborrheic dermatitis Secondary syphilis (including syphilitic anetoderma) Tinea corporis Vitiligo

Further reading:

Crowson AN, Magro CM (2003) Atrophying tinea versicolor: a clinical and histological study of 12 patients. Int J Dermatol 42(12):928932

Gupta AK, Batra R, Bluhm R et al. (2004) Skin diseases associated with Malassezia species. J Am Acad Dermatol 2004 51(5):785798

40% PG 2.5 % selenium sulfide shampoo

10 ( 2 1-2 )

1 2 KOH

()

selenium sulphide (2-2.5%) shampoo ketoconazole shampoo terbinafine

azole antifungals ketoconazole, itraconazole

()

: ketoconazole 200 mg/day x 1 ketoconazole 400 mg, x 2 ketoconazole 400 mg, 3 12 itraconazole 200 mg/day x 1 prophylaxis

200 mg x 2/day fluconazole 300 mg, once per week for 2 fluconazole 300 mg, single dose repeated 2 fluconazole 150 mg, once per for 4

Pityrosporum follculitis

subtropical tropical climates : pruritic, monomorphic eruption

of follicular papules pustules

Perifollicular, erythematous papule pustule 2 3 .

Pityrosporum folliculitis

Malassezia (Pityrosporum) folliculitis

3 Folliculitis : scattered, itching

follicular papules pustules seborrhoeic dermatitis: numerous small

follicular papules

In AIDS: multiple pustules severe seborrhoeic dermatitis

Pityrosporum Folliculitis : pruritic follicular-based papules and pustules

on the trunk and proximal upper extremites with absence of comedones and absence of response to acne treatments

Differential Diagnosis Acne mechanica Acne vulgaris Candidiasis Drug-induced acne Eosinophilic folliculitis Steroid acne Gram-negative folliculitis Pseudomonas folliculitis

Pityrosporum Folliculitis Associations

Antibiotics Cushings syndrome Diabetes mellitus Down syndrome HIV infection Immunosuppression Seborrheic dermatitis

Further reading: Gupta AK, Batra R, Bluhm R et al. (2004) Skin diseases associated

with Malassezia species. J Am Acad Dermatol 51(5):785798

Pityrosporum folliculitis

: Ketoconazole 200 mg/day x 12

itraconazole.

topical imidazoles selenium sulphide

Dermatophytosis(Superficial fungal infection) ObesityObesityThe Past Medical History, Social History, and Review of Systems: AthleteThe Past Medical History, Social History, and Review of Systems: Athlete: Woods lightKOH (Culture for dermatophyte)Slide Number 16Tinea .?. (...) (Tinea capitis) noninflammatory, human, epidemic type inflammatory Type (asymptomatic carrier state)Tinea Capitis (Inflammatory type and noninflammatory type)Tinea CapitisTinea Capitis : : Tinea capitisTinea capitisKerionTinea capitisTinea capitis (Tinea Barbae) (Tinea faciei) (Tinea Corporis): Tinea IncognitoTinea incognito: : (Tinea pedis)Tinea Pedis( 4 ) (Tinea manuum) (Tinea manuum) (Tinea pedis)Pitted keratolysisActinomycoses (Tinea manum) (Tinea pedis) (Tinea pedis) (Tinea pedis): Hendersonula toruloideaId ReactionId ReactionId Reaction (Tinea Cruris): : : IntertrigoIntertrigoIntertrigoIntertrigoIntertrigoIntertrigo(Tinea unguium and onychomycosis) (T. unguium onychomycosis) : : (Tinea unguium and onychomycosis)Green-nail syndromeIngrown Toenail (Onychocryptosis, Unguis Incarnatus) (In-growing nails)Yeast Infections(Candidiasis) oral candidiasis oral candidiasis oral candidiasis oral candidiasis oral candidiasis oral candidiasis oral candidiasis oral candidiasis (Vaginal candidiasis, vaginal thrush) : : : : : Oral candidiasisCutaneous CandidiasisCandidiasisCandidiasisCandidiasisCandidiasis: Geographic tongueGeographic Tongue (Benign Migratory Glossitis)Geographic Tongue (Benign Migratory Glossitis)Scrotal Tongue (Lingua Plicata, Fissured Tongue)Scrotal Tongue (Lingua Plicata, Fissured Tongue)(Candidal paronychia)Chronic paronychia chronic candidiasis paronychiaPityrosporum infectionsof the Skin (Pityriasis versicolor, Eichstedts Disease)Pityrosporum infections of the Skin Inverse form of pityriasis versicolor : Pityriasis versicolor (Pityriasis versicolor) : ()()Pityrosporum follculitisPityrosporum folliculitisMalassezia (Pityrosporum) folliculitisPityrosporum FolliculitisPityrosporum FolliculitisPityrosporum folliculitis