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Biomedical subjects

J C Speiser

Publications and source records attributed to J C Speiser.

4 recordsLinked to original sources
PubMed1985

Ulcerative colitis with arthritis and vasculitis.

A child with ulcerative colitis is described in whom many unusual complications of the disease occurred. Arthritis was present and preceded the onset of the colitis. The patient also developed vasculitis, hepatitis, pleuritis, pericarditis, cryoglobulinemia, and disseminated intra-vascular coagulopathy. A review of the literature on ulcerative colitis revealed the relative infrequent occurrence of many of these manifestations in the pediatric age group.

Adolescent↗
PubMed1985

Hidden 19S IgM rheumatoid factor in adults with juvenile rheumatoid arthritis onset.

Forty-eight adult patients with juvenile rheumatoid arthritis (JRA) (onset before age 16 years) were evaluated at the age of 17 years or more for the presence of hidden 19S IgM rheumatoid factors (RF), i.e., 19S IgM RF that can be detected by the complement-dependent haemolytic assay in the IgM-containing fraction after separation of the serum by acid gel filtration. The average age of the patients was 25.3 years. The mean duration of disease was 16.5 years. Thirty-two of 48 patients (67%) showed the presence of hidden 19S IgM RF in their serum. Disease activity correlated with hidden RF titres in 62% (55/88) of the evaluations. The results indicate that patients with seronegative JRA onset continue to have significant titres of hidden 19S IgM RF in their sera into early adulthood.

Adolescent↗