Langer's axillary arch. An unusual cause of axillary mass.

Abstract

THE DIFFERENTIAL diagnosis of an axillary mass as Langers Arch is sufficiently uncommon to warrant recording such a case. Report of a Case A 10-year-old boy was admitted to the hospital for diagnosis and treatment of a right axillary mass which was first noted by his mother several weeks before. The mass was asymptomatic: both mother and son were certain that it had not been present previously. Examination revealed a definite fullness of the right axilla which was not present on the left. This mass, quite firm in consistency, was most prominent when the arm was abducted to 90 degrees: it seemed to disappear when the arm was brought down to the side. Physical examination was otherwise negative. Chest x-ray, blood, and urine studies were noncontributory. Because of the obscure nature of the mass and the anxiety of the parents, exploration of the riuht axilla was done. The exploration was