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Author Question: Which of the following characteristics is not helpful in differentiating between psoriasis and ... (Read 242 times)

jlmhmf

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on: Jun 25, 2018
Which of the following characteristics is not helpful in differentiating between psoriasis and atopic dermatitis?
 
  A. Distribution
  B. Family history
  C. Lesion morphology
  D. Chronicity

Question 2

Patient presents with complaint of a swollen node under his arm. The area is tender and the node has progressed in size over the past few days. Which of the following should be included in your differential diagnosis?
 
  A. Hidradenitis suppurativa
  B. Epidermoid cyst
  C. Furuncle
  D. Both A and C


fwbard

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: D
While patients with psoriasis or atopic dermatitis are often able to provide related family history and the distribution and appearance of the lesions are different, both conditions tend to be chronic in nature.

Answer to Question 2

ANS: D
Hidradenitis suppurativa involves occlusions of hair follicles, which causes a red, fluctuant tender lesion. The site is commonly under the breast or in the axillae or groin. The clinician must differentiate this skin condition from an enlarged lymph node, which can appear similar. An enlarged lymph node is usually painless, whereas hidradenitis is usually tender. Furuncles are staphylococcal infections of hair follicles or sebaceous glands. Patients complain of pain, redness, and swelling at the affected site, commonly the axillae and groin.


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