Oral loading of propafenone was more effective than placebo for conversion to sinus rhythm within 8 hours and had a favorable safety profile. The rate of spontaneous conversion to sinus rhythm was higher in patients without structural heart disease; this finding has important implications for the assessment of drug effectiveness in recent-onset atrial fibrillation.
Two cases of primary cutaneous adenoid cystic carcinoma (ACC) of sweat gland origin are reported. The patients were a 83-year-old man and a 40-year-old woman. Histologically, the neoplasms showed the classic appearance of ACC. CEA, actin and S-100 protein were immunocytochemically demonstrated to be contained in some neoplastic cells. The literature on sweat gland ACC is reviewed and the clinicopathologic profile of this rare tumor considered.
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