La costocondritis es la inflamación de la unión de una o más costillas superiores con el esternón. El síntoma principal es el dolor localizado en la unión esterno-costal afectada, que se acentúa al presionarla. La causa generalmente es desconocida. Una variante de la costocondritis es el Síndrome de Tietze, de ocurrencia rara, comienzo abrupto, con dolor intenso que se irradia a los brazos y que puede durar varias semanas.

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Tietze syndrome (also called chondropathia tuberosa or costochondral junction syndrome) is a benign inflammation of one or more of the costal cartilages. It was first described in 1921 by the German surgeon Alexander Tietze (1864–1927). Tietze syndrome is not the same as costochondritis. Tietze syndrome is differentiated from costochondritis by swelling of the costal cartilages, which does not appear in costochondritis. Like costochondritis, it was at one time thought to be associated with, or caused by, a viral infection acquired during surgery. This is now known not to be the case, as most sufferers have not had recent surgery.

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