[Esophageal motility abnormalities in systemic sclerosis: frequency and predictive factors].

Background: Esophageal involvement is frequent during systemic sclerosis. It consists on esophageal motor abnormalities. Esophageal manometry is the gold standard for the diagnosis.

[Association of systemic lupus erythematosus and dermatopolymyositis].

Systemic lupus erythematosus (SLE) associated with dermatopolymyositis (DM). This association is rare. Diagnosis may be difficult because of their common clinical findings.