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

Prosthesis Infection by Mycobacterium tuberculosis in a Patient With Rheumatoid Arthritis: A Case Report and Literature Review César Egües Dubuc, Miren Uriarte Ecenarro, Nerea Errazquin Aguirre, Joaquín Belzunegui Otano