Accuracy of Prader orchidometer in measuring testicular volume

Background: Seminiferous tubules comprise 80‑90% of testicular mass. Thus, the testicular volume is believed to be an index of spermatogenesis. Therefore, accurate testicular volume is one way to assess testicular function.Objective: To determine the accuracy of Prader orchidometer for measuring the testicular volume by comparing the resultant measurement with the actual testicular volume in humans.Materials and Methods: The testicular volumes of 121 testes from 62 patients with prostate cancer (mean age 72.74 ± 9.38 years) were measured using Prader orchidometer before therapeutic bilateral orchidectomy. The actual testicular volumes were then determined by water displacement of the testis.Results: The mean testicular volume of the 121 testes was 10.60 ± 3.5 ml and13.26 ± 5.2 ml for water displacement and Prader orchidometer measurements, respectively. A strong correlation was found between the actual testicular volume and volumes obtained by Prader orchidometer (r = 0.926, P = 0.0001). The Prader orchidometer however, over‑estimated the mean actual testicular volume by 2.66 ± 2.37 ml (25.10%).Conclusion: The result of this study has shown that measuring the testicular volume by Prader orchidometer overestimates the actual testicular volume.Key words: Accuracy, prader orchidometer, testicular volum

Bacterial skin floral pattern and their sensitivities to skin cleaning lotions at Nnamdi Azikiwe Univeristy Teaching Hospital, Nnewi

No Abstract.Nigerian Medical Journal Vol. 46 (3) 2005: pp. 57-5

Intractable haematuria secondary to pedunculated median lobe of the prostate - a diagnostic dilemma.pdf

Benign prostatic hyperplasia is a common disease in the ageing male. Obstructive solitary and pedunculatedintra-vesical enlargement arising from the median lobe of the prostate is rare. The enlarged median lobe, juts into the bladder base, and occasionally occludes the internal urethral opening during voiding (ball valve effect). The clinical diagnosis can be difficult, as digital rectal examination and ultrasonography can be inconclusive. Intractable haematuria associated with benign prostatic obstruction (BPO) is a urological emergency necessitating emergency surgical intervention. We report a 54 year old man, who presented with a 3 year history of worsening severe lower urinary tract symptoms (LUTS) that culminated inintractable haematuria of 7 days duration and acute urinary retention. Digital rectal examination revealed a flat prostatic fossa with no nodules. PSA was 11.7ng/ml. Ultrasonography revealed a huge prostate with a prominent median lobe (grade-3 IPP) and a post void residual of 176mls. He underwent emergency open transvesical prostatectomy with good surgical outcome