[Diagnostic difficulties of Parker-Jackson sarcoma. Apropos of 2 cases]. / Difficultés diagnostiques du sarcome de Parker et Jackson. A propos de deux observations.

The sarcoma of Parker and Jackson is a rarely tumor. It is a malign lymphoma primitive of the bone. His diagnostic is difficult. The only treatment is chemotherapy-radiotherapy association.

Reception of nonverbal communication in alcoholics.

The ability to interpret nonverbal facial cues was tested in 21 young male, primary alcoholics and a group of matched controls. All Ss were asked to view videotapes of individuals gambling and to determine only on the basis of facial cues the amount of monetary reward offered to videotaped individuals during a specific trial. On the basis of accuracy, the alcoholic group was determined to be significantly better than the control group at receiving the nonverbal cues.

Metronidazole and alcohol--potential for combinative abuse.

The metronidazole/alcohol combination is presented as a possible new drug of abuse. Five patients are discussed. All were white middle-class women living in the Great Lakes area who had abused marijuana and most were college educated. Giddiness and excitement provided the rationale for the abuse.

[Value of the detection and characterization of circulating immune complexes in rheumatoid arthritis]. / Intérêt du dépistage et de la caractérisation des immuncomplexes circulants dans la polyarthrite rhumatoïde.

The authors analyse the value of research into and identification of immune complexes (IC) in chronic inflammatory rheumatisms (CIR) and in rheumatoid polyarthritis (RP) in 93 patients hospitalise in a Rheumatology Department. Comparative levels of ICs were established simple and quick technique of measuring the 50% haemolytic complement (HC 50) used up by the ICs. The rheumatoid factor (RF) is identified at the PEG IC precipitates with the Waaler-Rose test. The existence of raised levels of IC containing RF in both seropositive and seronegative PRs and to a similar degree in a non-negligable percentage of clinically non-classable RICs conforms the diagnostic value of this research. On the other hand there is no relationship between the levels of ICs and either clinical signs or age of the illness. In RPs other than CIR circulating ICs are found whose nature is still unknown.

[Joint manifestations of Whipple's disease]. / Les manifestations articulaires de la maladie de Whipple

Of all the signs of Whipple's disease, the joint manifestations are among the most constant and the earliest to indicate the enteropathy, appearing long before the digestive and general signs. Essentially they consist of painful, peripheral joint manifestations: either simple arthralgia, or true arthritis differing in the degree of pain, the degree of the clinical signs accompanying the pain, the mode of evolution, and the number and the grouping of the joints affected, thus occurring in numerous clinical forms of which the two principal ones are subacute oligoarthritis with a tendency to migrate and chronic polyarthritis that gives rise to few definitive deformations. The radiographic appearance is usually normal. There is nothing specific about the laboratory aspects of the inflammatory syndrome. Synovial histology may in some cases clarify the diagnosis by demonstration of histiocytes with positive PAS granulations. The axial joint manifestations, which are always associated with the preceding ones, are infrequent and practically limited to unilateral or bilateral sacro-iliac lesions, with little or no clinical expression, that are discovered by standard radiology. Jejunal biopsy can be the key to early diagnosis. The pathogenesis remains obscure. The treatment is the same as for Whipple's disease, long-term antibiotic therapy.

Detection and characterization of circulating immune complexes in rheumatoid arthritis.

Circulating immune complexes (IC) were detected and quantified in serum of patients with rheumatoid arthritis (RA) by three methods: radiolabeled Clq binding test, anticomplementary activity and optical density of 3% PEG precipitated sera. Rheumatoid factor (RF) is characterized in PEG precipitates by the Waaler-Rose reaction. The relationship between IC, complement and RF levels are analyzed.