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Biomedical subjects

U Egli

Publications and source records attributed to U Egli.

14 recordsLinked to original sources

[Bladder tumors].

Of possible tumours of the urogenital tract the carcinoma of the urinary bladder, which is to be seen above all in the elderly, comes as to its incidence after the carcinoma of the prostate. According to postulated theory of carcinogenesis tumours appear very often multifocally with a high relapse tendency in spite of resection. Early diagnosis at primary noninvasive stage is recommended there being a good chance of recovery by adequate means of therapy. The painless haematuria as cardinal symptom of c. bladder tumour remains tumour indicative until the contrary is being proved. To make the diagnosis we dispose of a cystoscopy and the intravenous urogram as part of the basic examination. The treatment of choice in case of a superficial carcinoma of the urinary bladder is the radical transurethral resection. In high-risk patients we initiate an adjuvant local immuno- or chemotherapy to prevent recurrence. In those with muscle invasive carcinoma of the urinary bladder the radical cystectomy together with simultaneous removal of the adnexa is indicated.

Adenocarcinoma

[Benign prostatic hyperplasia: anamnesis and indications for surgery].

The benign prostatic hyperplasia is a very common disease we are confronted with in the urological clinical practice. An exact anamnesis, a careful interpretation and evaluation of the symptoms and of the (initial) findings are indispensable for an obstructive prostatic hyperplasia to be diagnosed. The diagnostic effort to make an appropriate diagnosis considering as well the pathological process exists mainly of noninvasive methods. Though once the operation is indicated, the spectrum of exploration must be enlarged. Provided that the prostatic hyperplasia is identified as being the clear reason for miction difficulties, an adequate therapy may be applied.

Aged

Significance of cavernosography in standardized cavernosometry.

Ninety-five patients with erectile dysfunction underwent standardized cavernosometry and cavernosography. In a first stage, the investigation was performed in each patient without and in a second stage with 60 mg papaverine injected intracavernously. A pathological maintenance flow rate between 20 and 120 ml/min decreased by 55% on average. The induction flow is of considerable variability and of poor diagnostic value. For quantification of venous leakage, the maintenance flow rate is of great importance and in correlation with the time of pressure decrease. Our results with a sensitivity of 59% suggest that cavernosography as the only screening method for venous leakage is not sufficient. In most of the cases, cavernosography is indicated only in consideration of venous leakage surgery.

Blood Flow Velocity

Recession: a 4-year longitudinal study after free gingival grafts.

Free gingival grafts were performed on recession areas around 42 teeth in 12 patients, with postoperative evaluation of recurrent recession after 1, 6, 12, 24 and 48 months. No changes in degree of recession were observed during the 4-year period. The vestibuloplasties, which were always wider than the transplants, exhibited recurrence up to the transplant margin 6 months after surgery, while the transplants themselves exhibited an average shrinkage of 25%. In addition, 25% of the increase in vestibular depth achieved by the surgery was lost 1 month postoperatively, but there was a tendency toward increasing vestibulum depth during the ensuing 47 months. Gingival sulcus depth was not affected by the surgery.

Follow-Up Studies

Follow-up studies of free gingival grafts.

Vestibuloplasties with free gingival grafts were performed on 42 teeth in 12 patients exhibiting gingival recession. The tendency toward recurrence was studied after postoperative intervals of 1, 6 and 12 months. The extensions (vestibuloplasties), which were always wider than the transplant, recurred up to the transplantation margin. The transplant itself underwent shrinkage averaging 25 per cent. The vestibular depth, which had been increased by the operation, showed a 25 per cent reduction within 1 month, but then had a tendency to deepen again from 1 to 12 months postoperatively. The marginal free gingiva and sulcus depth were not influenced by the operation.

Follow-Up Studies