Chapter 11- Inflammatory Papules Flashcards
Characterized by discrete, small, erythematous papules that do NOT become confluent (run together/become one) =
inflammatory papules
comedones and pustules accompany papules in ______.
acne
**comedones - primary sign of acne ; dilated hair follicle with bacteria
______ coalesce into plaques in atopic dermatitis.
eczematous papules
T/F Plaques and papules are present in psoriasis.
true
Acute skin reactions appear as _____, and more chronic reactions appear as ______ .
hives ; inflammatory papules
Bees, waspas, and fire ants _____.
sting
Mosquitoes, fleas, flies, bedbugs, and lice _____
bite
What is the leading caue of allergic insect sting reactions in the USA? What about tin the southern USA?
yellow jackets
southern - fire ants
This insect bites in groups of three, infest bats and birds, hides in cracks and crevices, and attacks a sleeping victim.
Bed Bug
What do fleas, spiders, bedbugs, and lice have in common?
all indoor insects
Papules occur only in people who are _____ and ____ the insects.
allergic and attract
The reaction to a ______ is usually an immediate hive, often with a central punctum, that resolves in a few hours
sting
What produces multiple itching hives, that quickly progress to painful papulovesicles and pustules?
fire ants
What produces a severe local necrotic reaction with ulceration?
recluse spider
what favors the legs and areas of tight fitting clothing, where they produce inflammatory papules an vesicles, and occasionally even bullae?
Chiggers
______ attach to the hair and are called “crabs”
Pubic lice - Pediculosis pubis
What should be suspected in the presence of itching of the scalp, particularly the occiput or peripheral scalp?
Head lice - Pediculosis capitis
body lice =
Pediculosis corporis
T/F Flea bites and bedbugs usually occur in streaks of tree: “breakfast, lunch, dinner”.
true
urticarial reaction =
hives
when a hive has a central punctum, its cause is ____
an insect bite
When only excoriations are found, ______ is in the PA’s differential diagnosis of inflammatory papules
Dermatitis herpetiformis
Excoriations may also lead to secondary infection and a diagnosis of _____.
impetigo
An uncommon idiopathic disorder, _________ , presents with scattered necrotic papules and vesicles that can resemble insect bites but are usually more generalized and symmetric.
Mucha-Habermann disease