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Biomedical subjects

P Letonturier

Publications and source records attributed to P Letonturier.

At least 19 recordsLinked to original sources
PubMed1979

[Thyroid hemiagenesis (single thyroid lobe). 8 cases (author's transl)].

Thyroid agenesis would appear to be a rare abnormality (50 cases, including 8 personal). In fact, it is a simple anatomical curiosity which may be found in the presence of any type of thyroid condition (simple goitre: 4 cases, thyrotoxicosis: 2 cases, cold nodule: 2 cases, as far as our own patients were concerned). Our 8 patients were all women, hemiagenesis being more commonly discovered in the female sex. In 2 patients the right lobe was absent, and the left in the other 6. In general, the abnormality affects the left lobe three times more commonly than the right. The differential diagnosis essentially lies with autonomic thyroid nodules, which are much more common, and isotope scanning provides the answer.

Adenoma↗
PubMed1975

[Why are some cases of Hashimoto's thyroiditis operated on? Apropos of a series of cases].

Hashimoto's thyroiditis is a polymorphous condition. Its clinical diagnosis depends on the presence of a moderately large goitre of recent onset (2-3 yr) that is usually symmetrical and node-free, and particularly hard and rubbery. In addition, a high level of antithyroid antibodies is observed. A search for these antibodies should certainly be made more often. Histological confirmation is required as soon as the level of antibodies is low, or when the goitre is nodular with cold scintiscan areas. Furthermore, development of the intrathyroid lymphoid system is of uncertain import, especially since there is no relation between the number of cells that could theoretically be secreting antibodies (i.e. intrathyroid plasma cells) and the incidence or level of the various antithyroid antibodies.

Adult↗
PubMed1975

[Current problems of vaccination, especially in France (author's transl)].

Although being a routine procedure, the vaccination almost daily confronts the physician with problems. The contraindications for vaccinations are either misjudged or overestimated. The approach to be assumed in case of a pregnant woman or a patient of old age is often poorly defined. The order of vaccinations to be observed prior to intercontinental travels is generally ignored. However, in view of the regression of most of the infectious diseases, prophylaxis by vaccination must not slacken. For the rest, intensive research is carried on at present to further improve the existing vaccines and to produce vaccines against new diseases.

Adolescent↗