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Biomedical subjects

F Freycon

Publications and source records attributed to F Freycon.

At least 127 records · Page 7Linked to original sources

[Homocystinuria].

Explore the source record for details and available documents.

Child, Preschool↗

[Muco epidermoid tumor of the bronchus in a 8 year old girl (author's transl)].

A 8 year-old girl was referred with a mucoepidermoid tumor of the bronchus. Surgery was tried before a mediastin left likeness; diagnosis resided in histology of the surgical piece. Reading of medical literature, very slight for children, corroborate difficulties of histologic classification of these tumors, and especially their doubtful forecast.

Adenocarcinoma, Mucinous↗

[Vaccination against hepatitis B in immunosuppressed children. Apropos of 31 personal cases].

Anti HbS antibody levels were retrospectively studied in 31 children who received at least 4 immunisations with HEVAC vaccine. Results were as follow: 305 mUI/l (6 immunocompetent patients), 263 mUI/l (4 patients with solid tumors of therapy), 26 mUI/l (16 acute leukemias receiving intermittent reinduction therapy), 0.7 mUI/l (3 acute leukemias on maintenance therapy), 0 mUI/l (2 patients allografted for severe aplastic anemia, on immunosuppressive therapy). Antibody levels of patients who received immunisation during reinduction therapy were not correlated with intervall between immunisation and previous or next reinduction, not correlated with intervall from start of therapy, but seemed inversely correlated to age at time of diagnosis and at time of immunisation.

Child↗

[Hyponatremia and convulsions in the postoperative period in children].

Four children undergoing surgery presented with seizures and hyponatremia 12 hours after anesthesia. One child died with cerebral oedema, the others recovered. The respective roles of hypo-osmolar perfusions and ADH secretion are discussed. Ionogram before surgery, supervision of weight and diuresis and correct fluid management should prevent these postoperative complications.

Child, Preschool↗

[A case of 49 XXXXY gonadosomatic dysgenesis: clinical elements and biological consequences of polysomy X].

Discovery of 49 XXXXY syndrome in a six years young boy allows description of the main clinical characteristics of this disease: hypotrophy, facial anomalies, hypogenitalism, delayed speech development and oligophrenia. Radio-cubital synostosis is quite specific in this syndrome. The hypothesis of a correlation between clinical anomalies and excess of genes induced by polysomia has been suggested. We give results of five X-linked enzymatic activities: steroid sulfatase (STS) (located on the probably noninactivated segment), Hypoxanthine Guanine Phosphoribosyl Transferase (HGPRT), Glucose 6 Phosphate Déshydrogenase (G6PD), Phospho Glycerate Kinase (PGK), Alpha Galactosidase A (Alpha GAL A). Only STS activity seems to be significatively increased.

Child↗

[Plasma 25-OH D deficiency in Maghrebian children more than 10 years of age immigrated to France].

From 1984 Feb 1st to April 30, 63 blood samples were collected from children more than 10 years old in the pediatric unit of CHR de St-Etienne, and analysed for 25 OH D, calcium, phosphate, magnesium and alkaline phosphatase serum concentrations. Mean 25 OH D is lower (22,6 nmol/1) in 26 migrant children (24 from Maghreb and 2 from Turkey) than in 37 European children (mean = 48,6 nmol/1; p less than 0,001). Serum concentration is under 10 nmol/1 in 3 of the 37 Europeans (8%), versus 13 of the 26 Maghrebians (50%). Mean alkaline phosphatase and phosphate are significantly higher in the 36 boys than in the 27 girls. A significative positive correlation is found between alkaline phosphatase and phosphate (r = 0,535; p less than 0,01). There is no relation between age, month of assessment, sex, height, weight, place of late holidays and any of the measured serum values.

Africa, Northern↗