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A 26-year-old Caucasian woman presents for evaluation of painful, red nodules on her bilateral shins that started several days ago. The nodules were initially bright red. They are now turning darker and becoming flatter. She had a similar occurrence several months ago where she developed a bruise-like discoloration for several weeks that resolved without scarring. Her review of systems is positive for a low-grade fever, malaise, and some joint pains. Additionally, she admits to intermittent bouts of abdominal pain, as well as a few episodes of bloody diarrhea.
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This patient was ultimately diagnosed with erythema nodosum that was found to be associated with inflammatory bowel disease. Figures 59-1 and 59-2 demonstrate characteristic erythema nodosum on the classic locations. She was prescribed rest and nonsteroidal anti-inflammatory drugs, and was referred to a gastroenterologist. After initiating treatment for Crohn disease, the nodules healed without scarring and did not recur.
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The most common panniculitis that is typically seen in young women between the ages of 20 and 40. Erythema nodosum is seen 3 to 6 times more frequently in women than men. An underlying cause can be found in approximately two-thirds of cases.1
In children, it is most commonly associated with streptococcal pharyngitis or perianal infection.
In adults, it is most commonly associated with drug ingestion, sarcoidosis, or upper respiratory tract infection. Table 59-1 presents the most common associations seen in teenagers and adults.
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Panniculitis Associated With ...