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Biomedical subjects

A Steg

Publications and source records attributed to A Steg.

At least 271 records · Page 15Linked to original sources

[The risk factors of bladder tumors stage "A". Description of a new parameter (author's transl)].

199 cases of carcinoma of the bladder stage A were reviewed with a follow-up from 5 to 15 years. Some "factors of risk" can be deducted from this study. The first is the depth of the invasion of the submucosa when it can be specified. If the superficial part only is invaded (these tumors are called A1) the understaging is less important and the survival rate is much better than when the chorion is totally invaded (called A2). The grade of the tumor is also significant, grade III having a more favorable prognosis than grade IV. The topography of the tumor influences the prognosis: the worse are the tumors of the bladder neck or of this trigone. The other factors of risk are: the rapidity of recurrences, the volume and the number of the tumors: when they are big and multiple, the prognosis is particularly bad, the type of differenciation: the cylindric tumors are worse than the urothelial or epidermoid.

Aged↗

[Cytology in the diagnosis of prostatic cancer (author's transl)].

We are reporting our 20 years experience in the cytological diagnostic study of prostatic cancer. We studied at the same time, urinary cytology and prostatic histology in 217 patients. There were 50% false positive results with urinary cytology. Franzen aspiration enabled us to diagnose 81% of all prostatic cancers. These two methods are possible on an out-patient basis and enable us to determine high risk patients and to diagnose prostatic cancer earlier.

Adenocarcinoma↗

[Obstructive anuria (author's transl)].

In the last 10 years we observed 75 cases of obstructive anuria: 60% during the course of pelvic cancer; 27% took place on a remaining kidney; 26% were due to kidney stones, usually uric acid stones; 3 cases were secondary to remaining kidney hydronephrosis. Diagnosis was facilitated by high dose, late film IVP and by descending uteropyelograms, one of the most reliable diagnostic techniques in trigonal obstruction. Hemodialysis was used in 10% of the cases. Early surgical treatment was often made possible by the use of spinal anesthesia.

Adult↗

[Varicocele and male hypofertility. Report of 100 cases].

100 cases of man-hypofertility associated with a varicocele have been submitted to a varicocelectomy using Ivanissevitch's procedure. Pre-operative spermogram and spermocytogram as well as testicular biopsy proved to be of no prognostic value. The only difference between pre-operative and post-operative spermocytograms concerns sperm motility. The main prognostic factor seems to be normal findings in the gynecologic examination of the female partner. Ligation of spermatic artery appears to be associated with a higher rate of failure.

Adult↗