Fungal Disorders of skin Flashcards
What is the usual species of Candida?
Candida albicans
What are typical clinical features of Candidiasis lesions?
Primary lesion is erythmatous pustule/papule.
Red glistenning surface
Scaling, advancing border
Satellite lesions
Where does Candidiasis grow?
Dark, warm/moist areas
Intertriginous locations
Is Candidiasis part of the normal human flora?
Yes, be careful when taking samples of lesions and in interpretations of results due to normal flora.
Definition of Candida Balanitis including areas affected and risk factors.
Funfal infection and inflammation of the glans penis.
Uncircumsized males at high risk
May/may not be associated w/ intercourse w/ infected partner
Clinical features Candida Balanitis
- Tenderness
- Erythematous papules/pustules/erosions
- exudate
- satellite lesions
- Edema
What disease is this?
Candida balanitis
Treatment & Prevention for Candida balantis?
- Txt=topical antifungal & look for recurrent cases (may be sexual originating), retract foreskin and clean with warm water
- Prevent=skin dry, hygiene, powders, & probiotics
Definition, predispositions, & clinical features of Candida Intertrigo
- Def = superficial infection of intertriginous (skin on skin) areas
- Predisp = obesity, pendulous breasts, tight clothing, DM, poor hygeine
- Clinical = erythematous macerated skin, bilateral against touching surfaces, & satellite lesions
Txt & Prevention of Candida Intertrigo
- Txt = topical antifungal, vinegar wet dressings, air
- Prevent = powders, ointment, & weight loss
Which type of Candida is this?
Candida Intertrigo
What is another name for oral Candidiasis?
Thrush
Thrush definition & predispositions
- Def = mucous mem infection of oral region
- Predisp = neonate, DM, Ab use, HIV, or immunosupressed
Thrush clinical appearance and Txt
- Clinical = “stuck on” creamy exudates/plaques w/ erythema, burning, & loss taste
- Txt w/ topical antifungals (Nystatin)
What disease is this clinical presentation common in?
Thrush
Angular Cheilitis predispositions, clinical features, & txt
- Predisop = lip licking, elderly, & dentures
- Clinical = macerated angles of mouth, erythema, fissures
- Txt = topical antifungals, cover barriers, address underlying cause
Tinea Versicolor definition, etiology, and predisp
- Def = superficial fungal infect, chronic, asymp dermatosis of primarily the torso
- Etiology = M. furfur & M. globosa
- Predisp = oily skin, heat/moisture/sweating (summer), pregnancy, steroid use
Tinea Versicolor clinical features & txt
- Clinical = macule w/ fine scale, patches, & vitiligo
- Txt = antifungals, selenium sulfide, wash clothing, pre-treat prior to summer
What is the most common dermatophytosis in children?
Tinea Capitis
Tinea capitis definition, etiology/causes, & predispositions
- Def = scalp infection
- Etiology = Trichophyton >> Microsporum (pets)
- Predisp = pets, close contact, malnutrition, childrien, & soil
Tinea Capitis txt
- oral/topical antifungal, cleaning sheets/bedding, txt pets if from animals
Tinea Capitis Types
- Kerion = Inflammation
- Seborrheic = patchy fine adherent scales, may have adenopathy, broken off hairs, looks like dandruff; most common
- Non-inflammatory - black dots, areas of alopecia, mild to moderate scaling, occipital adenopathy, tenderness
- Pustular - pustules, no scaling or alopecia
Which Tinea is this?
Tinea Capitis
Kerion def, predisp, clinic features, & txt
- Def = inflamm. scalp infection
- Predisp = friction, ingrown hairs, athletes, obesity, children, DM…
- Clinical = alopecia, tender, boggy area, fever, & lymphadenopathy (occipital)
- Txt = refer to dermatologist, oral antifungals
What is this lesion characteristic of?
Kerion (Tinea Capitis inflammatory type)
What is the common name people refer to as Tinea Corporis?
Ring worm
Tinea Corporis def & predispositions
- Def = tinea of trunk/body, not hands or feet
- Predisp = warm climates, contact, other tineas, contam. soil
Tinea Corporis clinical features & treatment
- Clinical = Scaly papules/macules, raised sharply-marginated border, itch
- Txt = NO STERIODS, topical antifungal PO
What type of tinea is this?
Tinea Cruris
Which type of tinea is this?
Tinea Pedis
Tinea Cruris def & predispositions
- Def = tinea of the groin “jock itch”
- Predisp=swimming, sweating, obesity, steroids, males, tinea pedis, & location
Tinea Cruris clinical & Txt
- Clinical = itch, bilat, plaques with scale, erythema or brown, spares penis/scrotum (if on scrotum would likely be candida)
- Txt= drying, topical antifungals, powders, hygiene, txt pedis/manus
Unique feature about Tinea Manus lesion locations
Often unilateral…2 hands 1 foot or 2 feet 1 hand
Tinea Manus predisp, clinical, and txt
- Predisp = other tinea (pedis/cruris)
- Clinical = scaling, itch, papules, bullae, dorsal side may look like ring worm, volar surface may be hyperkeratotic
- Txt = txt other areas, topical/PO antifungals, hygiene
What is another name for Tinea Pedis?
Athletes foot
What is the most common tinea overall?
Tinea Pedis
Tinia Pedis etiology, predisp, and Txt/prevent
- T. rubrum
- Predisp = gym use, sweating, atopic
- Txt = Change socks, airing feet, hygiene, antifungals
- Prevent = aquasocks, clean bathrooms, shower sandals
