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Biomedical subjects

L Langer

Publications and source records attributed to L Langer.

At least 37 records · Page 2Linked to original sources

Subepithelial connective tissue graft technique for root coverage.

This article describes the use of the subepithelial connective tissue graft as a donor source for root coverage. The success of these grafts has been attributed to the double-blood supply at the recipient site from the underlying connective tissue base and the overlying recipient flap. Four cases have been illustrated to demonstrate the versatility of this procedure for areas of single or multiple root coverage especially in the maxillary arch, coverage of existing crown margins and areas requiring a combination of ridge augmentation and root coverage. An increase of 2 to 6 mm of root coverage has been achieved in 56 cases over 4 years with minimal sulcus depth and no recurrence of recession. The donor site is a closed wound which produces less postoperative discomfort.

Connective Tissue↗

Tubal intramural polyps and their relationship to infertility.

In a search for polyps in the intramural portion of the fallopian tubes, 2156 hysterosalpingograms were reviewed. In 54 cases polyps of different size and form were detected. Correlation of the findings with fertility histories and follow-up revealed that about one-half (46%) of the women with polyps did not conceive. Among both women who conceived and those who did not were women who had been treated for some other cause of infertility and also women of infertile couples who were classified as infertile normal. The results of this study suggest that women with tubal polyps should be regarded as having relative subfertility and should be treated for other causes of infertility if such exist. However, when treatment fails, and also in cases of unexplained infertility, the polyps should be regarded as a possible causal factor and surgical treatment should be considered.

Fallopian Tube Neoplasms↗

Diastrophic dysplasia: the death of a variant.

Diastrophic dysplasia is a distinct autosomal recessive disorder originally described in 1960. Since that time, a number of patients with similar but less severe involvement have been diagnosed as having a "diastrophic variant" disorder. This study reviews the radiological features of classic diastrophic dysplasia and compares them with the radiological findings in 26 patients with the diastrophic variant disorder. It is concluded that there is a wide variability in the phenotypic expression of diastrophic dysplasia even within sibships, and that cases of diastrophic variant disorder are actually mild forms of diastrophic dysplasia.

Adolescent↗

Adipose tissue cellularity in relation to metabolism in juvenile onset diabetes mellitus.

Adipose tissue cellularity was determined by a microscopic method in 18 men suffering from insulin dependent, juvenile diabetes mellitus for several years. These results were set in relation to the degree of clinical control estimated from the average urinary glucose output or fasting blood glucose during the year preceding the investigation. Furthermore, the results were compared with controls of comparable age and of the same sex. Both young and middleaged diabetic men had smaller fat cells than non-diabetic men. Fat cell size was correlated to the degree of clinical control, small fat cells indicating a poor control. It was suggested that fat cell size might be included as a measure of the long-term metabolic control in patients with insulin dependent diabetes mellitus.

Adipose Tissue↗