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Biomedical subjects

R Singer

Publications and source records attributed to R Singer.

At least 145 records · Page 8Linked to original sources
PubMed1976

[Postoperative treatment of patients after pancreatectomy. Closely meshed monitoring of blood sugar (author's transl)].

A report is presented on the postoperative treatment of 4 patients who had undergone duodeno-pancreatectomy because of chronic pancreatitis. When the patients co-operate well satisfactory metabolic compensation can be achieved with small doses of insulin. Replacement of the pancreatic enzymes with the appropriate preparations can be particularly well monitored by means of the fat content of the faeces. The substitution of vitamins A, D, K, and B12 parenterally at intervals of several weeks is also advisable as a safety measure. A method is described for the closely meshed monitoring of the blood sugar. This method is suitable in co-operative patients who are capable of collecting capillary blood for achieving a particularly good control of the metabolic state.

Adult↗
PubMed1976

Protein content of human seminal plasma and spermatozoa in relation to sperm counts.

Protein concentrations of seminal plasma and spermatozoa were estimated in human normospermic, oligospermic and azoospermic semens. The protein content of seminal plasma ranged from 20 to 60 mg per ml semen and was found to be unrelated to sperm counts. Suspended sediments of azoospermic specimens were found to contain on the average 570+/-86 microng protein per ml semen. This value is about four times higher than in severe oligospermic specimens (0.2 X 10(6) -6.5 X 10(6) cells per ml semen). It is suggested that in azoospermic disorders seminiferous tubules secrete abnormally high amounts of proteinacous material which cannot be eliminated by washings. In addition, destruction of immature cells may contribute to increased protein conten in these specimens. Protein determinations in washed spermatozoa showed a negative relationship between the amount of protein calculated per 10(6) cells and original sperm counts. This trend demonstrates an altered protein metabolism in the spermatozoa of oligospermic specimens which might be responsible for fertility incompetence.

Adult↗
PubMed1976

Intraoral cancer of the minor salivary glands.

Intraoral minor salivary gland carcinomas are relatively uncommon. The glands are concentrated in the mucosa of the mouth but occur over a wide area in the head and neck region. Little is known about the etiologic factors responsible for these tumors. Histologically, most salivary gland tumors are similar to those occurring in the parotid gland, but are more likely to be malignant. The most common presentations is an asymptomatic submucosal mass on the palate in a patient in the fifth or sixth decade, although it can occur in any age group. Neck node metastases occur in about one fourth of these patients. Surgical resection is the treatment of choice; irradiation may be a useful adjunctive method of palliation. Multiple recurrences over a long period of time are the rule, with 5 year survival for all malignant lesions being 44.5 per cent. The survival decreases another 10 per cent for each succeeding 5-year period of follow-up.

Adolescent↗
PubMed1975

[Luxation-fractures of the temporomandibular process in orthopantomogram].

The orthopantomogram (according to Paatero) offers a first orientation survey for diagnosing a fracture-dislocation of the neck of the mandibular condyle. It is easy to take, does not cause any pain, and involves relatively little exposure to radiation. Its value for diagnosing should not, however, be overestimated, since the number of errors is outstandingly high as the present investigation has shown. Only in very few cases it may be sufficient for making the diagnosis. Generally, several radiograms taken in at least two different planes of the temporomandibular joint region are required for establishing an exact diagnosis of a fracture-dislocation of the condyle.

Humans↗