Go For The Glory Quiz: Nail Discoloration; Candidiasis; Nevus; Phrenic Nerve

February 1, 2013

Gradual subungual discoloration; benign paroxysmal vertigo; thrush in HIV infection; paralyzed phrenic nerve: see if you can answer this week's 5 quiz questions.

QUESTION 1:

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A 49-year-old woman noted the gradual onset of reddish blue discoloration under one fingernail. There was both spontaneous pain and tenderness to palpation.

QUESTION 2:

For the past few months, a 2 1/2-year-old boy seems to suddenly lose his balance periodically. The history points to a diagnosis of benign paroxysmal vertigo.

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QUESTION 3:

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QUESTION 4:

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A 24-year-old woman presents for evaluation of a pigmented area on her face, present since birth. The diagnosis was nevus of Ota.

QUESTION 5:

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A 71-year-old man was referred for evaluation of the sudden onset of exertional dyspnea. He reported shortness of breath when supine and an occasional cough with no sputum. A chest film showed an elevated right hemidiaphragm, which was confirmed by CT scan. This raised the possibility of right phrenic nerve paralysis as the cause of his symptoms.

ANSWER KEY:

Question 1. Answer: a

Question 2. Answer: c

Question 3. Answer: b

Question 4. Answer: a

Question 5. Answer: d