Search PubMed⌕ Search

Biomedical subjects

Y Melin

Publications and source records attributed to Y Melin.

36 records · Page 2Linked to original sources
PubMed1985

[Polyp of the posterior urethra. Apropos of 6 cases].

Polyp of posterior urethra is a rare cause of urinary obstruction. Attached by a pedicle to the superior part of the veru montanum, such a polyp is mobile and can move in the bulbar urethra, causing urinary retention. If can also bleed provoking either hematuria or urethrorrhagia. Urinary infection can be present. Vesico-urethral ultrasound examination can show the polyp. But the diagnosis is made on a voiding cystourethrogram either at the end of an intravenous pyelogram or after suprapubic puncture of the bladder. Cystourethroscopy can also diagnose the lesion, and can treat it by electrocoagulation of the pedicle. Surgery by suprapubic incision and cystostomy is another method of treatment. It is perhaps less dangerous that the endoscopic treatment because the pedicle is very close to the ejaculatory ducts. Pathology of polyp of posterior urethra is variable but benign. The most frequent lesion is a fibrous polyp specially in children. Recurrency of such a lesion is very exceptional.

Child, Preschool↗
PubMed1984

[Pyelo-ureteral duplication and vesico-ureteral reflux].

106 children (76 girls and 30 boys) were treated for vesico-ureteric reflux in double upper urinary tracts. The results of different treatment protocols are discussed. Medical treatment is rarely successful. Partial or total nephrectomy is sometimes necessary because of very poor renal function. Cohen's technique for the "en bloc" ureterocystoneostomy of the two ureters seems to provide the best conservative treatment. But the results, which are good as far as the reflux is concerned, are often unsatisfactory because of the scarring of the renal parenchyma, especially as regards the inferior pole, and because of persistent urinary infection.

Adolescent↗
PubMed1984

[Treatment of megaureter in children by Cohen's operation combined with ureteral reconstruction. 81 reconstructed and reimplanted ureters].

From January 1973 to June 1983, 69 children have been operated on: remodeling of a primary mega-ureter and reimplantation of the tailored ureter with the Cohen technique. 81 ureters have been treated this way. 68 children have been followed and the results of this operation are evaluated on 80 ureters. There are 65 satisfactory results, 5 mediocre and 10 bad (5 stenosis, 5 reflux); another operation has been done for these cases: 3 nephrectomy, 7 conservative treatments have been successful.

Child, Preschool↗
PubMed1981

Simplified treatment of ectopic ureterocele in 35 children.

From 1970 to 1977, 35 patients with ectopic ureterocele underwent a simplified treatment which consisted of the removal of the upper part of the kidney and its dilated ureter, but with no attention to the intravesical swelling. The procedure is straightforward and can be performed on very young children in poor physical condition. It can be used in all cases of ectopic ureterocele whether the contralateral upper urinary tract is normally refluxing or dilated. Of 33 cases with a reasonably long follow-up the results were good in 26 cases. In 19 cases the infection disappeared immediately and the ureterocele collapsed. If the lower ureter was dilated there was an improvement of its diameter in 13 of 14 cases. If the ureter was refluxing, the reflux disappeared in most patients. In only 7 patients did the reflux persist, necessitating a reoperation to reimplant the ureter and remove the ureterocele. In seven cases the results were not satisfactory: one case of dilatation in the superior contralateral urinary tract, two cases of persistence of reflux in the lower ureter and 4 cases in which the urinary infection persisted.

Child, Preschool↗
PubMed1981

Congenital curvature of the penis without hypospadias.

A series of 18 cases of congenital curvature of the penis without hypospadias is reviewed. Two types of curvature are differentiated. One type (12 cases) without any other anomaly of the penis is treated by a single-stage operation without involving the urethra. In the second type (6 cases), the curvature is associated with hypoplasia of the urethra on a more or less long portion, and it has to be treated as a concealed hypospadias.

Humans↗
PubMed1980

[Bladder exstrophy. Transformation from an external diversion of the urine to an internal diversion].

It is possible to transform an external diversion (transcolic cutaneous ureterostomy) into an internal one (uretero-sigmoido-sigmoidostomy) in cases of bladder exstrophy which have not been reconstructed. This must not be done at too early an age (not before 7) and only under certain conditions : good renal function, normal upper urinary tract, no sigmoido-ureteral reflux good anal sphincter. Such an operation radically changes the life of the exstrophic who was previously handicapped by a collecting apparatus. One must assure a careful long term follow-up. The major details of technique and the results of 20 cases are described.

Adolescent↗
PubMed1979

[Digestive duplications affecting the pharynx or fistulae of the fourth endo-branchial pouch. Four cases (author's transl)].

Four cases of children with recurrent latero-cervical epithelial cystic tumours which where identified as exceptional derivatives of the 4th endobranchial pouch on the basis of their connections with the pharynx and in particular the piriform fossa. The opportunity is taken to review the characteristics of equally rare digestive, duplications and congenital diverticula at a cervical and buccopharyngeal level. This diagnosis was made initially in the first of these cases.

Branchioma↗