Abstract

A 27-year-old man presented with a 5-month history of persistent swelling of the upper lip (figure 1). Over this period the intensity of swelling changed spontaneously without a noticeable external cause. Clinical examination revealed a smooth, pasty swelling of the entire upper lip with a slight redness of the skin. The patient reported no subjective symptoms. No further lesions were revealed by complete clinical examination of the rest of the head and neck region. Neurologic examination, particularly of the facial nerve, was unrevealing. The patient's medical and surgical histories were non-contributory. A diagnostic biopsy was performed.

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