title: A 73-year-old woman with stiffness in both hands.
abstract: The following case is presented to illustrate the roentgenographic and clinical findings of a condition of interest to the orthopaedic surgeon. Initial history, physical findings, and roentgenographic examinations are found on the first page. The final clinical and roentgenographic differential diagnoses are presented on the following pages.
authors.affiliation: Beijing Ji Shui Tan Hospital, Beijing Institute of Traumatology and Orthopaedics, People's Republic of China.
authors.forename: Y
authors.initials: Y
authors.lastname: Yin
authors.forename: M B
authors.initials: MB
authors.lastname: Rotman
authors.forename: L A
authors.initials: LA
authors.lastname: Gilula
mesh_terms: D000368:Aged; D002805:Chondrocalcinosis / Q000000981:diagnostic imaging* / Q000209:etiology*; D005260:Female; D006801:Humans; D006961:Hyperparathyroidism / Q000209:etiology*; D008662:Metacarpophalangeal Joint; D011859:Radiography; D006435:Renal Dialysis / Q000009:adverse effects*; D014955:Wrist Joint