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PNCB Prep: Dermatologic/Integumentary/Infectious Disease – Q’s And A’s
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PNCB Prep: Dermatologic/Integumentary/Infectious Disease – Q’s And A’s
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PNCB Prep: Dermatologic/Integumentary/InfectiousDisease – Q’s And A’s
Cutis marmorata Right Ans - Transient mottling of the neonate's skin with
a generalized lacy, reddish-blue appearance.
Caused by uneven blood flow and exposure to cold.
No treatment necessary.
Erythema Toxicum Neonatorum Right Ans - Yellow-white lesions of
varying morphology that arise from an erythematous reddish-pink base; often
found on the trunk.
Milia Right Ans - Small yellow-white papular inclusion cysts filled with
cheesy keratinous material predominantly on face (cheeks, forehead and
nose)
No treatment necessary; condition resolves spontaneously
Salmon Patch (Nevus Simplex) Right Ans - Benign, flat, light red to orange
vascular birthmark on head and face.
Fades with time; no treatment necessary.
Port-Wine Stain (nevus flammeus) Right Ans - Benign, permanent, flat,
dark red to purple vascular lesion, predominantly on head and face.
Does NOT fade with age.
If a port-wine stain lesion covers entire half of face or bilateral, it may be
associated with which condition? Right Ans - Sturge-Weber syndrome
Capillary Hemangioma (Strawberry Nevus) Right Ans - Bright red or blue-
red nodular tumor of varying sizes and shapes with rubbery and rough
surface, found predominantly on the head/face
A patient with 6 or more cafe au lait spots larger than 1.5cm should be
evaluated for which associated neurological condition? Right Ans -
Neurofibromatosis
, Mongolian Spot Right Ans - Blue-black and gray macular lesions of
irregular shape and varying sizes; usually on sacrococcygeal region, buttocks
and lumbar areas.
Most fade completely during childhood/adolescence; no treatment necessary
J.D. is a postterm infant with lesions of varying morphology, including wheals,
vesicles, and pustules on her trunk. You suspect: Right Ans - Erythema
toxicum neonatorum
In order to confirm a diagnosis of erythema toxicum neonatorum, you order a
Wright's stained smear. If the diagnosis is correct, what are the expected
results of the smear? Right Ans - Presence of eosinophils
What is the best management for erythema toxicum neonatorum? Right
Ans - No treatment necessary; the condition will resolve spontaneously on its
own in 5 to 7 days
You observe numerous white papular lesions on the cheeks, forehead, and
nose. You suspect milia or neonatal acne. Which physical finding helps to
confirm a diagnosis of milia? Right Ans - Papular lesions, yellow in color
observed on the hard palate.
You observe a child with a flat, dark red vascular lesion on the face that does
not fade with age. What is your diagnosis? Right Ans - Port-wine stain
(nevus flammeus)
An 8yo boy has pruritic, scaly, hyperpigmented lesions in a "fir tree"
distribution, predominantly on his trunk. One lesion on the buttocks is larger
than all the other lesions and measures 4cm in diameter. What is your likely
diagnosis? Right Ans - Pityriasis rosea
What is the most common symptom of pityriasis rosea? Right Ans - Pruritis
For the patient with atopic dermatitis with a secondary bacterial infection at
the site of several lesions, what is the best management for the infection?
Right Ans - Oral antibiotics
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