Lewis, D D Carpal boss and the differential diagnosis of dorsal hand masses. [electronic resource] - The Journal of the American Board of Family Practice - 248-9 p. digital Publication Type: Case Reports; Journal Article ISSN: 0893-8652 Subjects--Topical Terms: AdultCarpal Bones--diagnostic imagingDiagnosis, DifferentialHumansMaleMetacarpus--diagnostic imagingRadiographySynovial Cyst--diagnostic imaging