Answer and Explanation 25

25.  A is the correct answer.  Ringworm typically has a raised border with well demarcated borders.  Erythema multiforme is target shaped and circular but does not have a raised border.  Urticaria is just raised and blanches.  Pityriasis usually is on the trunk with a herald patch.

Question 25

25.  Identify the skin lesions depicted below:

A.  Tinea Corporis

B.  Erythema multiforme

C.  Pityriasis

D.  Urticaria

Answer and Explanation 24

24.  A is the correct answer erythema nodosum.  Erythema nodosum present with painful raised lesions usually on the extensor surface of the extremities.  Bug bite are not as large and do not just prefer the extensor surfaces.

Question 24

24.  Please identify the lesion depicted below:

A.  Erythema Nodosum

B.  Bug Bites

C.  Psoriasis

D.  Scabies

Answer and Explanation 23

23.  B is the correct answer.  This is gout with tophi.  Cellulitis is a deeper red color and dose not have the white lesions associated with it.  Septic arthritis is typically accompanied with an effusion and does not have the white tophi.

Question 23

23.  Please identify the pathology seen in the photograph below:

A.  Cellulitis

B.  Gout

C.  Septic Arthritis

D.  Tinea Pedis

Answer and Explanation 22

22.  B is the correct answer.  These are vesicular lesions.  This is not indurated or fluctuant as seen in an abscess.  This does not look like hand foot and mouth disease.