Derm Flashcards
22 yom with a 3-month history of rash on his face. He has tried no treatment. The appearance of the scale bothers him but the rash is otherwise asymptomatic. On exam he has some scaling in his external ear canals and in his eyebrows. What is the most likely diagnosis?
A) Acne
B) Acute malar rash of lupus erythematosus
C) Rosacea
D) Seborrheic dermatitis
What is the most appropriate first-line therapy? A) Oral antibiotics B) oral antifungals C) Topical antibiotics D) Topical antifungal
D) Seborrheic dermatitis
D) topical antifungal
31 yof has a 1-2 year hx of increasing redness on her face. She also reports some “bumps like pimples” that come and go. She tried some OTC acne washes but they “really irritated” her skin. ROS negative. What is the most likely dx?
A) Acute malar rash of lupus erythematosus
B) Acne vulgaris
C) atopic eczema
D) rosacea
Which tx is typically CONTRAINDICATED for this condition? A) Topical metronidazole cream B) Topical sulfur lotion C) Topical triamcinolone cream D) oral Doxycycline
D) rosacea
C) Topical triamcinolone cream
44 yof has had a scaling itchy rash on her eyelids for 2 months. Hx of eczema as child. Wears makeup most days and tried to cutback when this rash started but she "needs to war some to cover up the rash. No other rash. No meds, OWH. You think she has a form of eczema, an eyelid dermatitis. What tx for this eyelid rash? A) Topical clobetasol B) Topical clotrimazole C) Topical desonide D) Topical nystatin
C) Topical desonide
19 yom has treated his acne with oral antibiotics for 3 months, topical retinoids nightly, and topical antibiotics in the morning. He continues to get new painful nodules on his temples. What next step in tx? A) Continue same regimen for 3-6 months B) Add oral steroid C) Add topical steroid D) refer to derm
D) refer to derm
4 month old male infant brought to the derm clinic by his adoptive mother for evaluation of an itchy rash that has been present most of his life. He gets a bath every few days with gentle non-soap cleanser. She applies a generic petrolatum ointment daily. Which is most likely dx? A) Atopic dermatitis B) contact dermatitis C) pityriasis alba D) psoriasis E) tinea corporis
Most appropriate topical steroid to treat? A) Clobetasol 0.05% ointment B) Fluocinonide 0.05% ointment C) Hydrocortisone 2.5% cream D) Hydrocortisone 2.5% ointment E) Triamcinolone 0.1% ointment
A) Atopic dermatitis
erythematous papules, patches and or plaques with overlying scale. Onset MC 3-6 months
D) Hydrocortisone 2.5% ointment
This low potency topical steroid is safe and usually effective for the face. Ointments are preferred vehicles over creams
7 yom has a dx of atopic dermatitis. They have been using hydrocortisone 2.5% ointment BID for a few weeks with min improvement. Which of the following is the next step in management?
A) Increase frequency of hydrocortisone 2.5% ointment to TID
B) increase potency o triamcinolone 0.1% oint BID
C) Mix the topical steroid c petrolatum oint
D) Start topical calcineurin inhibitor BID
E) Start topical phosphodiesterase inhibitor BID
B) Increase potency of triamcinolone 0.1% ointment BID
Increasing the potency of this topical steroid will likely be more effective and subsequently shorten the duration of steroid application for the acute flare.
Pt c hx of atopic dermatitis has similar lesions on the upper and lower extremities. Which is the next best step in the evaluation of this pt? A) apply potent topical steroid B) apply topical abx C) obtain a skin bacterial culture D) Perform a skin Bx
C) Obtain a skin bacterial culture
Obtaining a wound culture for sensitivities is advised when starting systemic abx
Parents of patient c atopic dermatitis c lesions on upper and lower extremities are worried that food allergies may be contributing to sons atopic dermatitis and would like guidance regarding which foods to avoid. Which is most accurate regarding the association of food allergy and atopic dermatitis?
A) +allergen test proves that the allergy is clinically relevant
B) Food all is a known trigger in 20-30% of patients with moderate -severe Atopic dermatitis
C) most common cutaneous manifestation of IgE-mediated food allergy is atopic derm
D) Recommend to strictly eliminate any suspected foods from the diet
E) There is no correlation
B) Food allergy is a known trigger in 20-30% of patients with moderate - severe atopic dermatitis
Food allergy is a known trigger in 20-30%of patients c moderate to severe atopic dermatitis
This 3 month old infant has an itchy rash on the ankles. Which is most likely dx? A) atopic dermatitis B) candida intertrigo C) impetigo D) Psoriasis E) Scabies
A) atopic dermatitis
A 25 yof presents to you with a rash over her eyelids after using a new cosmetic brand. What is the BEST test to confirm the cause of the rash depicted in the photo?
A) indirect immunofluorescent antibody (IIF) test
B) Patch testing
C) Prick skin testing
D) punch Bx
E) radioallergosorbent Test (RAST)
B) Patch testing
There is a high suspicion for eyelid contact dermatitis. Common causes include fragrances and preservatives in cosmetics. Patch testing would be the best test to confirm the cause of the rash
A 30 yof nurse is transferred to new hospital and begins to develop red, painful, chapped hands. He has been working on a unit with multiple pts on contact precautions, and he has been washing this hands frequently c soap and water. On exam there are multiple fissures and scaling, but no vesicles are seen. What is the most likely Dx? A) allergic contact dermatitis B) Dyshidrotic dermatitis C) Irritant contact dermatitis D) nummular dermatitis E) psoriasis
C) irritant contact dermatitis
History and clinical exam are suggestive of an irritant hand dermatitis from repeat exposure to hand washing chemicals
A 30 yof is dx c allergic contact dermatitis of the face, likely due to a nickel allergy from the frames of her glasses. What tx would you recommend other than avoidance of nickel? A) Clobetasol ointment B) Desonide cream C) Fluconazole gel D) ketoconazole cream E) triamcinolone ointment
B) Desonide cream
For a limited period and on thinner skin areas such as the face, class VII-VI are preferred
You Dx a 25 yo college student with contact dermatitis on the dorsum of the hands. She continues to have chronic scaly, erythematous, pruritic plaques despite use of Clobetasol ointment twice daily for 1 month. The most appropriate next step is: A) Order a RAST test B) Punch Bx of a plaque C) recommend increased hand washing D) refer to derm E) switch to triamcinolone cream BID
D) Refer to Derm
refer to derm for potential patch testing in cases of contact dermatitis where allegic contact is possible
A 78 yo nonatopic woman c a hx o HTN and CAD underwent a dipyridamole stress echo. During this procedure her BP was monitored for 45 min. Two days later and intensely pruritic, sharply demarcated, erythematous vesicular eruption developed on her Rt arm. Which is most likely Dx?
A) Allergic contact dermatitis due to black rubber BP cuff
B) Atypical seborrheic dermatitis triggered by sweating
C) fixed drug eruption from the dipyridamole
D) hospital acquired cellulitis caused by S. aureus
E) irritant contact dermatitis from soaps
A) Allergic contact dermatitis due to bllack rubber BP cuff
The geometric nature of the leasion and
You are evaluating a pt c a pruritic eruption on the back. The pt recently had a surgical repair of a compound femur fx and the primary team is worried she has herpes zoster. Which of the following statements is most accurate?
A) This is a acneiform eruption, which will resolve s Tx
B) This is an infection and she should be started on oral acyclovir
C) this is an infestation and hospital infection control should be notified
D) This is a delayed hypersensitivity rxn for which topical steroids can be given
D)delayed hypersensitivity rxn for which topical steroids can be given
Linear erythematous, edematous wheels and plaques suggestive of a Rhues dermatitis, which is a delayed hypersensitivity.
What is the appropriate treatment for a fully vaccinated child with a low grade fever and erythematous macules and papules distributed over the face, trunk, arms and legs? He has received no meds. A) B) C) D) Supportive care E) Triamcinolone cream 0.1%
D) Supportive care
What is the appropriate treatment for children presenting with Hand-Foot-Mouth disease? A) Acyclovir cream 5% B) Acyclovir by mouth C) Adapaline cream 0.1% D) Supportive care E) Triamcinolone cream 0.1%
D) supportive care
While counseling your pts parents, you tell them that Hand-Foot-Mouth disease usually resolves on its own in A) 3 days B) 10 days C) 3 weeks D) 1 month E) 2-3 years
B) 10 days
Which statement would you include while counseling a pregnant woman exposed to children c erythema infectiosum?
A) Acyclovir can be taken prophylactically to prevent infection
B) Following infection, the risk of fetal death ranges from 30-40%
C) Infection of the fetus can lead to chronic hemolytic anemia
D) Parvovirus B19 does not pass from mother to fetus
E) There is a small risk of infection and serologic testing is available
E) There is a small risk of infection andserologic testing is available
What region is included in the typical distribution of hand-foot-mouth disease? A) Buttocks B) Periorbital Skin C) D) Trunk E) Umbilicus
A) Buttocks
A 25 yof notes a 2 month hx of itchy, intermittent welts that appear all over her body, with individual lesions lasting less than a day. She notes that topical hydrocortisone 1% cream does not offer much relief. What is the best 1st line tx for her condition? A) Antihisamines B) ASA C) corticosteroids D) Methotrexate E) NSAIDS
A) antihistamines
Which of the following is the cardinal symptom of urticaria? A) Anesthesia B) Bullae C) Paresthesia D) Pruritus E) Target lesions
D) Pruritus
A 62 yom has been struggling with urticaria for over 3 years. He has been tested several times for allergies, but all have been negative. What is the most common cause of urticaria? A) ASA B) Food allergies C) Idiopathic D) meds E) preservatives
C) Idiopathic
There are several medications used to treat urticaria, including antihistamines. Which of the following is considered the most potent treatment for urticaria? A) ASA B) 1st Gen H1 antihistamines C) H2 antihistamines D) 2nd Gen H1 antihistamines E) Topical corticosteroids
B) 1st Gen H1 antihistamines