Sternal or parasternal involvement from breast cancer: a misleading clinical sign.

Background: Sternal arch is a nonspecific clinical signs wich may arise during following of breast cancer, this sign reveals an involvement of internal mammary nodes secondary to breast cancer.

Aim: To report a rare event such as a loco-regional sternal or parasternal invasion secondary to locally advanced cases of breast cancer (BC) about a Tunisian series.

Methods: We collected retrospectively from 1988 to 2012, 11 cases of BC treated at the Institut Salah Azaiez (ISA) of Tunis, with presence during the disease evolution (initial or at relapse) of a sternal or parasternal swelling.