Biomedical subjects

C Upson

Publications and source records attributed to C Upson.

7 recordsLinked to original sources

PubMed1995

Intraluminal ultrasound-guided biopsy of the prostate: case report.

Patients who have undergone proctectomy can present a difficult diagnostic challenge for the urologist, as digital rectal examination and transrectal ultrasound scanning are not possible. Various methods have been tried to biopsy the prostate in patients without rectums and have proved to be limited in their usefulness. Intraluminal ultrasound employs a small high-frequency probe that creates an image from an intraluminal perspective. We describe a new role for this imaging method in which intraurethral intraluminal ultrasound scans can be used to guide perineal prostate biopsies in the patient without a rectum.

Aged↗

PubMed1995

Distal ureteral stone in a duplicated system causing urinary retention.

Ureteral calculi and urinary retention are common problems encountered by the urologist. However, they rarely occur concomitantly. Herein, we describe a case of a 40-year-old female patient who developed urinary retention as a result of ureteral stone disease. Specifically, an ectopic upper pole ureter in a completely duplicated system contained a 2 x 6-cm ureteral stone, which emanated from the orifice, filling the urethra. The stone caused voiding difficulties to the extent that the patient had to manipulate the stone manually in order to void. The stone eventually resulted in urinary retention. Management was accomplished by cystoscopy and electrohydraulic lithotripsy of the stone. Chemical analysis revealed calcium phosphate and struvite as the principal components of the stone.

Adult↗

PubMed1995