Rosai–Dorfman disease: Ultrasonography and histopathology study of a soft tissue mass in the forearm Fadi Badlissi, German Albert Pihan, Hèctor Corominas

Giant pes anserinus bursitis: A rare soft tissue mass of the medial knee Hèctor Corominas, Ramon Balius, Paula Estrada-Alarcón, Dèlia Reina, Patricia Moya, Miquel Videla

Esophageal symptoms and their lack of association with high-resolution manometry in systemic sclerosis patients Ana Cecilia Arana-Guajardo, Gustavo Barrera-Torres, Miguel Ángel Villarreal-Alarcón, David Vega-Morales, Jorge Antonio Esquivel-Valerio