Evaluation of Age- and Radical-Prostatectomy Related Changes in Male Pelvic Floor Anatomy Based on Magnetic Resonance Imaging and 3-Dimensional Reconstruction
| Autor: | Valmik Bhargava, Jesse W. Tai, Ishika Trivedi, Samuel Sorkhi, Kyoko Sakamoto, Mahadevan Rajasekaran, Michael E. Albo |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2021 |
| Předmět: |
Urologic Diseases
Aging erectile dysfunction urologic surgical procedures Urologic surgical procedures Urology medicine.medical_treatment Urinary incontinence Renal and urogenital 030232 urology & nephrology 03 medical and health sciences 0302 clinical medicine atrophy Clinical Research Prostate medicine Erectile dysfunction Prostate Diseases and Male Voiding Dysfunctions Pharmacology (medical) 030219 obstetrics & reproductive medicine Urinary bladder Pelvic floor urinary incontinence medicine.diagnostic_test Prostatectomy business.industry Contraception/Reproduction Health Policy aging Public Health Environmental and Occupational Health Magnetic resonance imaging Anatomy Diseases of the genitourinary system. Urology Psychiatry and Mental health medicine.anatomical_structure Urethra Reproductive Medicine Biomedical Imaging Medicine Original Article RC870-923 Atrophy medicine.symptom business Penis |
| Zdroj: | The World Journal of Men's Health, Vol 39, Iss 3, Pp 566-575 (2021) The World Journal of Men's Health The world journal of men's health, vol 39, iss 3 |
| ISSN: | 2287-4690 2287-4208 |
| Popis: | Purpose: Puborectalis muscles (PRM) and ischiocavernosus muscles (ICM) play important roles in urinary continence and male erectile functions. Understanding of anatomy and surgical-injury related changes to these muscles is critical to monitor changes in continence or erectile function. Anatomical description of these muscles has undergone revisions because these conclusions were derived from cadavers. Our objectives were to: (i) elucidate male pelvic muscles by in-vivo magnetic reso-nance imaging (MRI) and 3-dimensional (3-D) reconstruction of these images and (ii) compare PRM and ICM thickness in healthy volunteers and symptomatic patients. Materials and Methods:Materials and Methods: Healthy young male (mean age, 25 years; n=5), older male (age, 65–70 years; n=5), and post-prosta-tectomy patients with erectile dysfunction and urinary incontinence (age, 65–70 years; n=5) were scanned on a 3T-magnetic resonance scanner. Images were acquired from slices above urinary bladder base to urethra entry into penis. Pelvic bone, bladder/urethra, corpus cavernosum, ICM, PRM, and prostate were segmented. 3-D models of each structure were generated and assembled into composite images, and ICM and PRM thicknesses were calculated. Results:Results: We successfully reconstructed 3-D male pelvic floor anatomy including ICM, PRM, bladder, urethra, bulbospon-giosus, corpus cavernosa, prostate and bones from the two groups. We documented significant reduction in PRM and ICM thickness in older men. Conclusions:Conclusions: This is perhaps the first 3-D reconstruction of male pelvic floor structures based on in-vivo MRI in healthy and symptomatic patients. Observed reduction in PRM and ICM thickness is possibly due to age-related atrophy. |
| Databáze: | OpenAIRE |
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