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38 Cards in this Set

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Superficial mycoses
Cutaneous mycoses
Subcutaneous mycoses
What are the categories of mycotic infections of the skin?
Superficial mycoses
These fungi occupy outer epidermal surfaces.

Infections are not inflammatory or invasive.
Superficial mycoses
Piedras
Tinea versicolor
Piedras
Colored nodules on hair shaft.
White piedra
Trichosporon causes what kind of mycotic infection?
Black piedra
Piedraia causes what kind of mycotic infection?
Tinea versicolor
This is caused by Malassezia
Normal inhabitant of the skin
Produces scaling which interferes with pigmentation.
Results in spotty or mottled appearance.
Ringworm
What do the following cause?
Trichophyton
Microsporum
Epidermiphyton
Tinea
Tinea corporis
Name the genus that causes ringworm of the body.
Tinea cruris
(Jock itch)
Name the genus that causes ringworm of the groin.
Tinea capitis
Name the genus that causes ringworm of the head.
Tinea pedis
(athletes foot)
Name the genus that causes ringworm of the foot.
Tinea manuum
Name the genus that causes ringworm of the hand.
Tinea barbae
Name the genus that causes ringworm of the beard.
Tinea unguium
Name the genus that causes ringworm of the nails.
Sporotrichosis
This is caused by Sporothrix

Common saprophyte
Found in soil/humus
Introduced by thorns and splinters.
Penetration of the skin -> Fungus grows forming a hard nodule. Enlarges to bubo -> becomes necrotic. Breaks through skin and drains -> Often progresses along lymphatic channels leaving a chain of lesions. Contained by regional lymph nodes but may persist for several years untreated.
Sporotrichosis
Chromoblastomycosis
Mycetoma
What are the diseases for subcutaneous mycotic infections?
Chromoblastomycosis
Name the disease that is caused by Fonsecaea.
Fonsecaea
What is the genus name for the disease chromoblastomycosis?
Chromoblastomycosis
Characterized by verucous (tough, warty) lesions.

Generally not painful -> many individuals do not seek treatment -> disease continues to progress.
Madura foot
What is the common name for the disease mycetoma?
Mycetoma
Name the disease with the common name, madura foot.
Madurella
What is the name of the genus or organism that causes the disease, mycetoma?
Candidiasis
Thrush
Vaginitis
What are the opportunistic mycoses called?
Candidiasis
Infections run from: Superficial skin to -> Fatal systemic.
Widespread yeast, normal flora of : oral cavity, genitalia, and large intestine.

Increased risk of infection: Age, pregnancy, use of birth control pills, immunodificiency, antibiotic therapy, and providing a warm moist environment against the skin.

Name the disease.
Candida
Name the genus that causes candidiasis, thrush, and vaginitis.
Oral candidiasis
What is another name for Thrush?
Thrush
Common in newborns who pick it up in passage through the vagina.
White milk like growth covering the mucus membranes of the oral cavity.
Vaginitis
Itching, burning sensation, white "cheesy" discharge.

May become systemic: meninges ad heart tissues involved.
Scabies
Sarcoptes burrows in the skin to lay eggs.
Sarcoptes
Name the genus that causes Scabies.
Pediculosis
Name the disease.

causes lice in hair, on body, and eggs in hair.
Pediculus
Name the genus that causes pediculosis.
Head louse (lice)
What is the common name for pediculosis?
Trachoma
Name the disease that is associated with the following:

Inclusion Conjunctivitis: Mild form in infants

A leading cause of blindness

Obligate intracellular parasite.

Infection causes scar tissue to form on cornea.

2nd infection from dry eyes.
Chlamydia
What is the genus that causes trachoma?
Fingers/Fomites; Flies
How is Chlamydia (Trachoma) transmitted?
Fungi
What type of organism causes Thrush?