A 23-year-old obese female with known Tuberculosis presents with ulcerating nodules on the back of her legs. Which of the following is the most likely diagnosis. 1- Erythema marginatum 2- Erythema nodosum 3- Erythema induratum 4- Lupus vulgaris 5- Lupus pernio teksmedika.blogspot/2013/08/mrcp-part-i-practice-paper-mrcpstudy2013.html EI is a form of panniculitis characterized by chronic, recurrent, tender, subcutaneous, and sometimes ulcerated nodules on the lower legs that may also appear elsewhere. Females are more frequently affected, with a female-male ratio of 7:1 and is more frequent in younger females. It is found in association with TB. Another possibility although not provided in the stems is Pyoderma gangrenosum. On the other hand, Lupus Vulgaris is a chronic, progressive and destructive form of cutaneous tuberculosis in patient with moderate or high degree of immunity. It occurs more commonly in females than in males. The classical lesions consist of reddish-brown plaques not nodules. The lesions progress by peripheral extension and central healing, atrophy and scarring. The areas of predilection are head and neck (80%), followed by arms, legs, then trunk. This rash is not the typical description of E Marginatum (finer rash) or Multiforme (Blisters, Targets). Lupus pernio occurs in association with Sarcoid.
Posted on: Sun, 06 Oct 2013 02:14:35 +0000
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