(BMJ) - An 18-day-old baby with normal birth hx presented with a new rash of sharply demarcated, red, irregularly-shaped papules and plaques. The baby appeared well w/o lymphadenopathy or organomegaly. Blood work confirmed the diagnosis. What is it?
Staphylococcal scalded skin syndrome
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Herpesvirus 6-associated urticaria multiforme
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Tinea corporis
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Allergic reaction to diaper cream
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Neonatal psoriasis
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(BMJ) - A 21-yo man on azathioprine for Crohn dz presents w/ fever + pancytopenia. No response to abx, GCSF, or AZA withdrawal. Labs: high TGs, ferritin; low fibrinogen. Bone marrow: unusual macrophage. Ileum histology: CMV infection. What is the diagnosis?
Azathioprine toxicity
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Hepatitis C
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Arsenic poisoning
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Multiple myeloma
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Hemophagocytic lymphohistiocytosis
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(BMJ) - A 64-yo woman presented w/ weakness, UTI, and vesicular eruption on left lower back and right thigh. PMHx: type 2 DM, prior stroke, and polymyositis. Medication: prednisone 20 mg daily. Labs: CRP was 3.7, others were WNL. What is the rash?
Behçet disease
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Contact dermatitis
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Herpes zoster duplex bilateralis
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Herpes simplex
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Drug reaction
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(BMJ) - A 30-yo cyclist skidded on a wet road and struck his head on a curb. He was alert and oriented with normal vital signs. Blood was noted originating from the left external auditory meatus, leaving a halo on the sheet. What is the diagnosis?
Ruptured tympanic membrane
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Ear foreign body
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Basilar skull fracture
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Maxillary sinus fluid leak
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Hemorrhagic mastoiditis
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(BMJ) - A 2.7-kg boy was delivered as breech vaginal birth after uncomplicated pregnancy. The infant was well w/ normal exam except for multiple white nodules along alveolar ridge of maxilla that did not interfere with nursing. What are they?
Bohn nodules
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Epstein pearls
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Natal teeth
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Primordial cysts
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Mucoceles
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A 79-yo woman with PMHx of Wegener’s granulomatosis presented with hyperpigmentation of arms, face, and legs. Medication: methotrexate. Adrenal function and ACTH level normal. What is the diagnosis?
Addison disease
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Solar lentigo
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Acanthosis nigricans
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Methotrexate-associated hyperpigmentation
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Cushing disease
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