RT Journal Article SR Electronic T1 Terminal phalageal osteosclerosis. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 82 OP 86 DO 10.1136/ard.34.1.82 VO 34 IS 1 A1 Halim, W A1 Van Der Korst, J K A1 Valkenburg, H A A1 Van Elteren, P YR 1975 UL http://ard.bmj.com/content/34/1/82.abstract AB Osteosclerosis of the terminal finger phalanges was assessed by means of a grading score in two age-matched groups of 96 females, each suffering from rheumatoid arthritis (RA) and osteoarthrosis (OA), respectively, and in a sample of 894 males and females, above the age of 44 years, from Dutch small town populations. Cortical thickness of the therminal phalanges decreases markedly with age. Whereas in the age group 45-54 years, terminal phalangeal osteosclerosis is more pronounced in females, at higher ages the difference between the sexes disappears. The diameter of the terminal cortex increases gradually from the second to the fifth finger. No differences were found between the RA and the OA groups, nor were these groups different from the population survey except for a lower incidence of terminal phalangeal osteosclerosis in female osteoarthrotics between 45 and 55 years of age, compared to females of the same age group from the population sample.