1.5.1 Mycoses fugal infection (Superficial Mycoses) Flashcards
Superficial mycoses is noninvasive, involve the horny living layer of the skin and extrafollicular parts of the skin and hair
T or F
F
Non living
What are the parts infected in superficial mycoses?
Skin and hair
An asymptomatic; noninflammatory; prutritic’
Variation in pigmentation
a. Tinea versicolor/Pityriasis versicolor
b. Piedra/ Tinea nodosa
c. Tinea nigra/Keratomycosis nigricans palmaris
a
What is the etiologic agent for Tinea versicolor?
Malassezia furfur
MOT for Tinea versicolor
Direct contact which may disseminate (Parental nutrition)
On KOH mount, what is the specimen of choice for Tinea versicolor?
Skin scrappings
On KOH mount for Tinea versicolor, what is the appearance?
Spaghetti and meat ball
Medium for Malassezia furfur consist of SDA with?
Olive oil
The microscopic examination for M. furfur appearance is?
a. bowling pin
b. medicine bottle
c. palisade
d. Mouse
a and b
Hypopigmentation in Tinea Versicolor is common among?
Dark skin
Hyperpigmentation in Tinea Versicolor is common among
Fair skin
Also known as Beigel’s disease and Chigon disease
a. Tinea versicolor/Pityriasis versicolor
b. Piedra/ Tinea nodosa
c. Tinea nigra/Keratomycosis nigricans palmaris
b
Which part of the body causes Tinea nodosa?
Superficial Hair shaft
Causes black piedra
a. Piedra hortae
b. Trichosporon beigelii
a
Causes white piedra
a. Piedra hortae
b. Trichosporon beigelii
b
Which among the piedra affects scalp hair, eyebrows, eyelashes, and pubic hair
Black piedra
Which among the piedra affects facial and genital hair?
White piedra
The nodules of this piedra is pigmented, hard, and firmly attached
Black
The nodules of this piedra is less pigmented, not firmly attached and soft
White
In direct microscopic examination, which among the piedra has blasto conidia and arthoconidia
White
In direct microscopic examination, which among the piedra has Ascuspore and chlamydoconidia
Black
Etiologic agent for Tinea nigra
Hortae werneckii (Exophiala werneckii
Tinea nigra is usually mistaken as _____ due to “Stained appearance” on palms, foot, and forearms
Melanoma
Direct microscopic examination of tinea nigra consists of branching, septate, and moniliaceous
T or F
F
Dematiaceous
