Clinical Cases

Acrodermatitis Chronica Atrophicans

Acrodermatitis Chronica Atrophicans




A 73-year-old female patient presented with a 9-month history of inflamed and slowly enlarging livid-reddish skin lesions on her right knee and the dorsa of the right foot. The skin disease had begun approximately 1 year earlier, when the patient developed on the same extremity a map-like marginally expanding erythematous skin rash which vanished without therapy after 1 month. Within the next month, she noted swelling and pronounced pain in her right foot, and later markedly increased pain in her right knee. Since the patient suffered from gonarthrosis, the symptoms were considered as an exacerbation of degenerative joint disease. However, inflammatory skin changes gradually evolved over the symptomatic joints. Moreover, she lived in rural area, and recalled repeated tick bites.

Additionally, she had varicose veins, and complained of low-back pain and hypertension. For a chronic pain syndrome she was regularly taking analgesics and antiinflammatory medication.

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