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Biomedical subjects

R H Hagen

Publications and source records attributed to R H Hagen.

7 recordsLinked to original sources
PubMed1998

[Epididymitis in infants--a possibility].

Usually, acute scrotum in infants is due to torsion, but there are reasons to believe that primary inflammation occurs more often than supposed. Urethrovasal reflux is the primary mechanism, and it is often associated with urogenital anomalies among infants and dysfunctional voiding among young boys. Colour Doppler ultrasound, scintigraphy and surgical exploration are the tools for differentiating epididymitis from torsion. We present a six months' old child with epididymitis, who was investigated because of suspected torsion. The investigations showed bacteruria, but no anomalies.

Diagnosis, Differential↗
PubMed1991

[Primary vesicoureteral reflux with renal failure in adults].

The present article describes the case of two men, 18 and 30 years respectively, in whom renal insufficiency was discovered incidently. In the two cases renography showed 46 and 30% of expected function given two healthy kidneys. They had neither experienced clinical symptoms of urinary tract disorder, been operated upon, nor endoscopically examined. Micturition was normal without any sign of vesicourethral dysfunction. Micturition cystography revealed severe vesicoureteral reflux in both patients. They were treated by bilateral ureterovesical reimplantation. The cases presented here show that primary vesicoureteral reflux complicated by impaired renal function can be revealed in adults who have had no symptoms of urinary tract disorder. In these cases the probable cause of renal damage is the mechanical effect of reflux ("water-hammer effect") alone.

Adolescent↗
PubMed1990

[Xanthogranulomatous pyelonephritis. A benign, solid kidney tumor].

We report the case of a 68 year-old woman who underwent surgical treatment for xanthogranulomatous pyelonephritis. Xanthogranulomatous pyelonephritis is a rare, chronic, inflammatory lesion of the kidney. It is most frequently seen in middle-aged women. Because of its clinical and radiological similarities to other renal lesions it can be difficult to establish a preoperative diagnosis. Nephrectomy is needed in most patients.

Aged↗
PubMed1987

Spontaneous pneumothorax.

Spontaneous pneumothorax is not uncommon and can be potentially dangerous, especially in older people. A series of 201 patients is presented. Conservative treatment with tube thoracostomy had a 19% failure rate. It seems nevertheless to be the treatment of choice, though with risk of serious complications. Among the 60 patients who underwent lateral thoracotomy, 30% had recurrence of pneumothorax or other complications. Reoperation because of inadequate pulmonary expansion was necessary in four cases.

Adolescent↗