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  #1  
Old 12-04-2011
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Skin Describe this skin lesion!

A 24-year-old man comes to your clinic complaining of a rash and joint pain. For the past 4 months he has had a scaly rash over his elbows, fingers, and scalp, and has had pain in his right index finger. The pain is mild and he is concerned because he is a guitar player and is having increasing difficulty playing music. Aside from these complaints, he has been in good health. Review of symptoms and past medical history are unremarkable. Vital signs are: temperature 37.0 C (98.6 F), blood pressure 122/78 mm Hg, pulse 72/min, and respirations 20/min. Skin examination shows palpable, elevated lesions approximately 3 cm in diameter on both elbows. The lesions are well demarcated and brightly erythematous with loosely adherent silvery white scale. Removing the scale leaves multiple punctate bleeding points. Examination of the nails reveal small, multiple pits. The right index finger distal interphalangeal joint is mildly painful and warm. Which of the following is an appropriate way to describe the lesions on this patient’s elbows?

A. Bulla
B. Macule
C. Maculopapular
D. Nodule
E. Papule
F. Plaque
G. Purpura
H. Pustule
I. Ulcer
J. Vesicle
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  #2  
Old 12-04-2011
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F. Plaque :sorry:
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  #3  
Old 12-04-2011
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It is
F. Plaque
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Old 12-04-2011
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it is a plaque.
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Old 12-04-2011
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its plaque .. psoriatic plaque
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Old 12-04-2011
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F. Plaque...
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Old 12-04-2011
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F. Plaque
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Old 12-04-2011
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Its plaque :sorry:
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Old 12-04-2011
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Plaque...Psoriasis for sure with Auspitz sign n onycholysis
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Old 12-04-2011
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Its F) plaque as it is the case of psoriasis. u have asked in question that when lesion were removed it had a minute bleeding points its known as auspitz sign & it is specific & characteristic feature for psoriasis and this sign is performed in new plaques of psoriasis
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  #11  
Old 12-05-2011
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The correct answer is F. This patient has psoriatic arthritis with classic features, such as an Auspitz sign (punctate bleeding with scale removal), pitted nails, and large scaly plaques on the elbows. When discussing a rash, it is essential to characterize the lesions according to a defined vocabulary. A palpable, elevated skin lesion greater than 1 cm in diameter is called a plaque.
A bulla (choice A) is a vesicle that is greater than 1 cm in diameter.
A macule (choice B) is a nonpalpable, circumscribed lesion that is flat and less than 1 cm in diameter.
Maculopapular (choice C) rashes are confluent, erythematous lesions made up of macular and papular lesions.
Nodules (choice D) are deep, roundish lesions less than 1.5 cm in diameter that can involve the epidermal, dermal, and subcutaneous tissue.
Papules (choice E) are palpable lesions that are solid, elevated, and less than 1 cm in diameter.
Purpura (choice G) describes papular or macular nonblanching lesions that are caused by extravasation of blood.
Pustules (choice H) are vesicles that contain pus.
Ulcers (choice I) are depressed skin lesions resulting from the loss of the epidermis and upper layer of the dermis.
Vesicles (choice J) are distinct, elevated skin lesions that contain fluid and are less than 1 cm in diameter.
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