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Biomedical subjects

A Volant

Publications and source records attributed to A Volant.

72 records · Page 4Linked to original sources
PubMed1984

[Radioisotope evaluation of the interaction between blood and vascular prostheses. Preliminary results].

In order to illustrate the phenomena which occur at the first contact between arterial prostheses and blood, an in vitro test is suggested which may be used to quantify the retention of the cruoric matrix using labelled compounds and confirming the nature by scan electron microscopy. Reorganisation of the cruoric matrix is dependent upon the scarring of polyesters which retain considerably more blood substances than microporous polytetrafluoroethylenes or the biological models dealt with, the course of which after implantation is closer to passivation.

Bioprosthesis↗
PubMed1982

[Arteriopathy of the lower limbs and giant-cell arteritis. Diagnosis on arteriographic and histologic examinations (author's transl)].

A case of giant-cell femoral arteritis seen in patient with polymyalgia rheumatica is reported. Diagnosis was ascertained by demonstrative arteriographic images and unequivocal features upon histologic examination of in situ samples. With reference to this report and to a review of the medical literature, nosologic problems in giant-cell arteries of large arteries are discussed, clinical features are reviewed and diagnostic criteria are assessed.

Adrenal Cortex Hormones↗
PubMed1982

[A new case of carcinoma arising in Caroli's disease (author's transl)].

A new case of carcinoma involving Caroli's disease in a 51 years old woman is reported. This papillary carcinoma is developed in left hepatic duct. The type is quite different from the previous cases already described. It is not a cholangiocarcinoma but a papillary mucoid carcinoma.

Adenocarcinoma, Mucinous↗
PubMed1982

[Massive poisoning by paraquat with early death (19 hours). Apropos of a case with ultrastructure study].

The authors report a case of a forty-years-old woman who died nineteen hours after ingestion of a massive dose of Paraquat (about 125 ml of Gramoxone, 52 g of Paraquat) with vomitings, anuria and cardiac arrest. Early autopsy (less than two hours after death) showed necrotizing esophagitis, ulcerative gastritis, tubular nephritis, congestion of lung, interstitial myocarditis which could explain the heart failure. The ultrastructural study of lung showed interstitial edema associated with minimal endothelial changes but important epithelial cell necrosis of both pneumocytes. These findings are very similar to experimental studies of massive Paraquat poisoning emphasizing the early involvement of pneumocyte II.

Adult↗
PubMed1981

[Two cases of skin pigmentation in association with minocycline therapy (author's transl)].

Report of two cases of skin pigmentation during minocycline therapy. Examination showed confluent blue-gray oval patches on the anterior part of the legs, occurring after ingestion of respectively 12 g and 100 g of minocycline. Microscopic examination of each case was identical and showed two lesions: increase in the amount of melanine deposition in the basal layer of the epidermis; presence of brown-black pigment at all the level of the dermis but specially near the sweet glands. This pigment was strongly positive with Perls' stain. Electron microscopic examination showed a finely granular pigment exclusively intracellular in dermis fibroblast and macrophage. This pigment seemed to contain mainly hemodiderine.

Hemosiderin↗