OBJECTIVES Pyrophosphate arthropathy has been linked to diverse clinical subtypes. The two most common are: acute synovitis (pseudogout) and chronic pyrophosphate arthropathy ("pseudo-osteoarthritis"). We have conducted a study to examine whether these are overlapping syndromes. METHODS We reviewed all synovial fluid (SF) analyses performed in our laboratory from January 1988 to May 1997 to d...

To cite: Santiago T, Coutinho M, Malcata A, et al. BMJ Case Rep Published online: [please include Day Month Year] doi:10.1136/bcr-2013202183 DESCRIPTION An 80-year-old woman presented with a 1-month history of bilateral shoulder pain and swelling (figure 1). There was no history of any trauma. Physical examination showed limited and painful active and passive range of motion of the shoulders an...

Photo-oxidative stability of a series of most common red acrylic paints has been investigated. The paints in question were carmine, quinacridone scarlet, alizarin crimson, brilliant red, vermilion and cadmium red hue. Structural changes, discoloration and weight loss of paints film subjected to UV irradiation in an accelerated ageing chamber were measured using FT-IR spectroscopy, colorimetry a...

STATEMENT OF THE PROBLEM Stem cells from human exfoliated deciduous teeth (SHEDs) are a population of highly proliferative cells, being capable of differentiating into osteogenic, odontogenic, adipocytes, and neural cells. Vitamin D3 metabolites such as 1α, 25-dihydroxyvitamin D3 are key factors in the regulation of bone metabolism. PURPOSE The aim of this study was to investigate the effect ...