A 38 year old woman presented with a 2 week history of tender, swollen nodules on her lower legs. Her only current medication was a triphasic oral contraceptive. She denies any history of inflammatory bowel disease, sarcoidosis, or chronic infections. Physical examination revealed erythematous nodular swellings on the anterior lower legs. A punch biopsy specimen was obtained from a lesion on the left anterior tibia reveals a septal inflammation of subcutaneous fat. This best description of this rash is:
A 38 year old woman presented with a 2 week history of tender, swollen nodules on her lower legs. Her only current medication was a triphasic oral contraceptive. She denies any history of inflammatory bowel disease, sarcoidosis, or chronic infections. Physical examination revealed erythematous nodular swellings on the anterior lower legs. A punch biopsy specimen was obtained from a lesion on the left anterior tibia reveals a septal inflammation of subcutaneous fat. This best description of this rash is:
💡 Explanation
A 38 year old woman presented with a 2 week history of tender, swollen nodules on her lower legs. Her only current medication was a triphasic oral contraceptive. She denies any history of inflammatory bowel disease, sarcoidosis, or chronic infections. Physical examination revealed erythematous nodular swellings on the anterior lower legs. A punch biopsy specimen was obtained from a lesion on the left anterior tibia reveals a septal inflammation of subcutaneous fat. This best description of this rash is:
✓ Correct Answer: C. Erythema nodosum
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