(BMJ) - A 72-yo woman presented with an erythematous rash on her abdomen with induration and nodules. A biopsy confirmed the diagnosis. What is it?
Contact dermatitis
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Herpes zoster
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Caput medusae
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Lymphangitis carcinomatosa
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Erysipelas
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(BMJ) - A 36-yo man with HIV, Pneumocystis jirovecii pneumonia, and a CD4 count of 23 presented with an itchy rash on his hands, ears, and scalp. Other family members also had itchy rashes for months. What is the diagnosis?
Crusted scabies
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Darier disease
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Contact dermatitis
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Bed bug bites
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Lichen planus
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(BMJ) – A 25-yo man w/ short bowel syndrome received several IV abx and antifungals for Hickman line sepsis. Within 48 h, he developed a well-demarcated, exfoliative rash on his buttocks. No other inciting factors were present. What is it?
Erythroderma
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Contact dermatitis
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Baboon syndrome
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Thermal burn
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Tinea corporis
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(BMJ) – An 82-yo man presented w/ acute onset throat pain and dysphagia upon wakening. His wife recalled him suddenly beginning to snore the night before. PMHx: A-fib. Meds: warfarin. Labs: INR 3.4. What is the diagnosis?
Aphthous ulcers
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Uvular hematoma
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Behcet syndrome
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Oropharyngeal cancer
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Strep pharyngitis
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(BMJ) – A 48-yo woman presented with a presumed verruca on the underside of her second toe. The lesion had not responded to topical or oral antibiotics and was acutely tender, macerated, and hyperkeratotic. What is it?
Squamous cell carcinoma
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Tinea pedis
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Prurigo nodularis
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Spider bite
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Acral lentiginous melanoma
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(BMJ) - A 91-yo woman w/ a family hx of breast cancer presents w/ redness of left breast and nipple x 1 yr. Exam: red, crusty nipple-areolar complex w/ nipple destruction. A 4-wk trial of steroid cream did not lead to improvement. What is the diagnosis?
Actinic keratosis
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Eczema
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Impetigo
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Malignant melanoma
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Paget disease
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(BMJ) - An 82-yo man c/o 10 days of pain and color change in his tongue associated w/ a headache. Exam: grey-black discoloration of distal tongue and scalp tenderness. Labs: elevated inflammatory markers. What is the diagnosis?
Methamphetamine abuse
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Giant cell arteritis
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Syphilis
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Necrotizing ulcerative gingivitis
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Oral melanoma
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(BMJ) - A 20-yo female horse rider presented w/ painful lesions on her outer thighs during winter for 5 yrs. Exam: red, indurated, tender plaques on lateral thighs. Labs: vasculitis screen, serum cryoglobulins, and cold agglutinins all normal. What is the diagnosis?
Erythema chronicum migrans
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Tinea corporis
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Lichen planus
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Frostbite
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Equestrian perniosis
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