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Biomedical subjects

J L Lamarque

Publications and source records attributed to J L Lamarque.

At least 109 records · Page 6Linked to original sources
PubMed1975

[Contribution of radiology in nonhemodynamic pulmonary edemas].

The radiological appearances of non-hemodynamic, lesional edema are univoco; interstitial-type pictures, alveolar-type pictures, either successively or combined, in terms of the intensity or duration of the alveolo-capillary membrane lesions. Inflation of the interstitial medium is reflected by the appearance of Kerley B lines, haziness of the vascular contours and sometimes an axillary bordering line due to subpleural edema. Capillary congestion with increase in permeability especially to proteins and the tearing of connective tissue explains these pictures. In the following stage, edema is alveolar with hazy diffuse, unorganised and confluent opacities. These opacities can predominate in the bases, or take on a butterfly-wing distribution. At this stage atelectatic lesions can be superadded due to inactivation of surfactant. Finally, in the later periods the appearance of interstitial pulmonary fibrosis with fibrinous deposits and fibroblastic proliferation can be noted. The chest X-ray is the objective reflection of the disorders; in enables the making of a diagnosis, and the drawing up of a complete check of the lesions and supervision of its course.

Humans↗
PubMed1972

Persistent ductus venosus without portal hypertension in a young alcoholic man.

The discovery of a large patent ductus venosus resulted from radiological investigations in a 34-year-old man, a chronic alcoholic of low mental status. Splenoportal and inferior caval venograms were performed because of recent exacerbation of the neurological symptoms and electroencephalographic criteria of portacaval encephalopathy. Portal pressure was 8 mm Hg. A liver scan, a laparoscopy, and a liver biopsy were performed. They showed that the gland was atrophic with a microscopic appearance of alcoholic fibrosis, but without any nodular regeneration. The relationship between the fistula, the mental state, and the atrophic liver is discussed. Such a malformation appears to be very uncommon.

Adult↗