1.Regenerative Therapy in Erectile Dysfunction:A Survey on Current Global Practice Trends and GAF Expert Recommendations
Manaf Al HASHIMI ; Germar-M PINGGERA ; Taymour MOSTAFA ; Amarnath RAMBHATLA ; Taha HAMODA ; Rupin SHAH ; Eric CHUNG ; Ahmed HARRAZ ; Mohamed ARAFA ; Tuncay TOPRAK ; Omer RAHEEM ; Carlo GIULIONI ; Ponco BIROWO ; Luca BOERI ; Yassir JASSIM ; Priyank KOTHARI ; Ranjit VISHWAKARMA ; Bahadir SAHIN ; Widi ATMOKO ; Safar GAMIDOV ; Cesar ROJAS-CRUZ ; Darren KATZ ; Adriano FREGONESI ; Nazim GHERABI ; Armand ZINI ; Christopher Chee Kong HO ; Mohamed S. AL-MARHOON ; Marlon MARTINEZ ; Giorgio Ivan RUSSO ; Ayman RASHED ; Gian Maria BUSETTO ; Edmund KO ; Hyun Jun PARK ; Selahittin CAYAN ; Ramadan SALEH ; Osvaldo RAJMIL ; Dong Suk KIM ; Giovanni COLPI ; Ryan SMITH ; Maged RAGAB ; Ates KADIOGLU ; Quang NGUYEN ; Kadir BOCU ; Ahmed EL-SAKKA ; Charalampos THOMAS ; Hussain M ALNAJJAR ; Hiva ALIPOUR ; Ashok AGARWAL
The World Journal of Men's Health 2025;43(2):359-375
Purpose:
This study aimed to examine current global practices in regenerative therapy (RT) for erectile dysfunction (ED) and to establish expert recommendations for its use, addressing the current lack of solid evidence and standardized guidelines.
Materials and Methods:
A 39-question survey was developed by senior Global Andrology Forum (GAF) experts to comprehensively cover clinical aspects of RT. This was distributed globally via a secure online Google Form to ED specialists through the GAF website, international professional societies, and social media, the responses were analyzed and presented for frequencies as percentages. Consensus on expert recommendations for RT use was achieved using the Delphi method.
Results:
Out of 479 respondents from 62 countries, a third reported using RT for ED. The most popular treatment was low-intensity shock wave therapy (54.6%), followed by platelet-rich plasma (24.5%) and their combination (14.7%), with stem cell therapy being the least used (3.7%). The primary indication for RT was the refractory or adverse effects of PDE5 inhibitors, with the best effectiveness reported in middle-aged and mild-to-moderate ED patients. Respondents were confident about its overall safety, with a significant number expressing interest in RT’s future use, despite pending guidelines support.
Conclusions
This inaugural global survey reveals a growing use of RT in ED treatment, showcasing its diverse clinical applications and potential for future widespread adoption. However, the lack of comprehensive evidence and clear guidelines requires further research to standardize RT practices in ED treatment.
2.Regenerative Therapy in Erectile Dysfunction:A Survey on Current Global Practice Trends and GAF Expert Recommendations
Manaf Al HASHIMI ; Germar-M PINGGERA ; Taymour MOSTAFA ; Amarnath RAMBHATLA ; Taha HAMODA ; Rupin SHAH ; Eric CHUNG ; Ahmed HARRAZ ; Mohamed ARAFA ; Tuncay TOPRAK ; Omer RAHEEM ; Carlo GIULIONI ; Ponco BIROWO ; Luca BOERI ; Yassir JASSIM ; Priyank KOTHARI ; Ranjit VISHWAKARMA ; Bahadir SAHIN ; Widi ATMOKO ; Safar GAMIDOV ; Cesar ROJAS-CRUZ ; Darren KATZ ; Adriano FREGONESI ; Nazim GHERABI ; Armand ZINI ; Christopher Chee Kong HO ; Mohamed S. AL-MARHOON ; Marlon MARTINEZ ; Giorgio Ivan RUSSO ; Ayman RASHED ; Gian Maria BUSETTO ; Edmund KO ; Hyun Jun PARK ; Selahittin CAYAN ; Ramadan SALEH ; Osvaldo RAJMIL ; Dong Suk KIM ; Giovanni COLPI ; Ryan SMITH ; Maged RAGAB ; Ates KADIOGLU ; Quang NGUYEN ; Kadir BOCU ; Ahmed EL-SAKKA ; Charalampos THOMAS ; Hussain M ALNAJJAR ; Hiva ALIPOUR ; Ashok AGARWAL
The World Journal of Men's Health 2025;43(2):359-375
Purpose:
This study aimed to examine current global practices in regenerative therapy (RT) for erectile dysfunction (ED) and to establish expert recommendations for its use, addressing the current lack of solid evidence and standardized guidelines.
Materials and Methods:
A 39-question survey was developed by senior Global Andrology Forum (GAF) experts to comprehensively cover clinical aspects of RT. This was distributed globally via a secure online Google Form to ED specialists through the GAF website, international professional societies, and social media, the responses were analyzed and presented for frequencies as percentages. Consensus on expert recommendations for RT use was achieved using the Delphi method.
Results:
Out of 479 respondents from 62 countries, a third reported using RT for ED. The most popular treatment was low-intensity shock wave therapy (54.6%), followed by platelet-rich plasma (24.5%) and their combination (14.7%), with stem cell therapy being the least used (3.7%). The primary indication for RT was the refractory or adverse effects of PDE5 inhibitors, with the best effectiveness reported in middle-aged and mild-to-moderate ED patients. Respondents were confident about its overall safety, with a significant number expressing interest in RT’s future use, despite pending guidelines support.
Conclusions
This inaugural global survey reveals a growing use of RT in ED treatment, showcasing its diverse clinical applications and potential for future widespread adoption. However, the lack of comprehensive evidence and clear guidelines requires further research to standardize RT practices in ED treatment.
3.Regenerative Therapy in Erectile Dysfunction:A Survey on Current Global Practice Trends and GAF Expert Recommendations
Manaf Al HASHIMI ; Germar-M PINGGERA ; Taymour MOSTAFA ; Amarnath RAMBHATLA ; Taha HAMODA ; Rupin SHAH ; Eric CHUNG ; Ahmed HARRAZ ; Mohamed ARAFA ; Tuncay TOPRAK ; Omer RAHEEM ; Carlo GIULIONI ; Ponco BIROWO ; Luca BOERI ; Yassir JASSIM ; Priyank KOTHARI ; Ranjit VISHWAKARMA ; Bahadir SAHIN ; Widi ATMOKO ; Safar GAMIDOV ; Cesar ROJAS-CRUZ ; Darren KATZ ; Adriano FREGONESI ; Nazim GHERABI ; Armand ZINI ; Christopher Chee Kong HO ; Mohamed S. AL-MARHOON ; Marlon MARTINEZ ; Giorgio Ivan RUSSO ; Ayman RASHED ; Gian Maria BUSETTO ; Edmund KO ; Hyun Jun PARK ; Selahittin CAYAN ; Ramadan SALEH ; Osvaldo RAJMIL ; Dong Suk KIM ; Giovanni COLPI ; Ryan SMITH ; Maged RAGAB ; Ates KADIOGLU ; Quang NGUYEN ; Kadir BOCU ; Ahmed EL-SAKKA ; Charalampos THOMAS ; Hussain M ALNAJJAR ; Hiva ALIPOUR ; Ashok AGARWAL
The World Journal of Men's Health 2025;43(2):359-375
Purpose:
This study aimed to examine current global practices in regenerative therapy (RT) for erectile dysfunction (ED) and to establish expert recommendations for its use, addressing the current lack of solid evidence and standardized guidelines.
Materials and Methods:
A 39-question survey was developed by senior Global Andrology Forum (GAF) experts to comprehensively cover clinical aspects of RT. This was distributed globally via a secure online Google Form to ED specialists through the GAF website, international professional societies, and social media, the responses were analyzed and presented for frequencies as percentages. Consensus on expert recommendations for RT use was achieved using the Delphi method.
Results:
Out of 479 respondents from 62 countries, a third reported using RT for ED. The most popular treatment was low-intensity shock wave therapy (54.6%), followed by platelet-rich plasma (24.5%) and their combination (14.7%), with stem cell therapy being the least used (3.7%). The primary indication for RT was the refractory or adverse effects of PDE5 inhibitors, with the best effectiveness reported in middle-aged and mild-to-moderate ED patients. Respondents were confident about its overall safety, with a significant number expressing interest in RT’s future use, despite pending guidelines support.
Conclusions
This inaugural global survey reveals a growing use of RT in ED treatment, showcasing its diverse clinical applications and potential for future widespread adoption. However, the lack of comprehensive evidence and clear guidelines requires further research to standardize RT practices in ED treatment.
4.Regenerative Therapy in Erectile Dysfunction:A Survey on Current Global Practice Trends and GAF Expert Recommendations
Manaf Al HASHIMI ; Germar-M PINGGERA ; Taymour MOSTAFA ; Amarnath RAMBHATLA ; Taha HAMODA ; Rupin SHAH ; Eric CHUNG ; Ahmed HARRAZ ; Mohamed ARAFA ; Tuncay TOPRAK ; Omer RAHEEM ; Carlo GIULIONI ; Ponco BIROWO ; Luca BOERI ; Yassir JASSIM ; Priyank KOTHARI ; Ranjit VISHWAKARMA ; Bahadir SAHIN ; Widi ATMOKO ; Safar GAMIDOV ; Cesar ROJAS-CRUZ ; Darren KATZ ; Adriano FREGONESI ; Nazim GHERABI ; Armand ZINI ; Christopher Chee Kong HO ; Mohamed S. AL-MARHOON ; Marlon MARTINEZ ; Giorgio Ivan RUSSO ; Ayman RASHED ; Gian Maria BUSETTO ; Edmund KO ; Hyun Jun PARK ; Selahittin CAYAN ; Ramadan SALEH ; Osvaldo RAJMIL ; Dong Suk KIM ; Giovanni COLPI ; Ryan SMITH ; Maged RAGAB ; Ates KADIOGLU ; Quang NGUYEN ; Kadir BOCU ; Ahmed EL-SAKKA ; Charalampos THOMAS ; Hussain M ALNAJJAR ; Hiva ALIPOUR ; Ashok AGARWAL
The World Journal of Men's Health 2025;43(2):359-375
Purpose:
This study aimed to examine current global practices in regenerative therapy (RT) for erectile dysfunction (ED) and to establish expert recommendations for its use, addressing the current lack of solid evidence and standardized guidelines.
Materials and Methods:
A 39-question survey was developed by senior Global Andrology Forum (GAF) experts to comprehensively cover clinical aspects of RT. This was distributed globally via a secure online Google Form to ED specialists through the GAF website, international professional societies, and social media, the responses were analyzed and presented for frequencies as percentages. Consensus on expert recommendations for RT use was achieved using the Delphi method.
Results:
Out of 479 respondents from 62 countries, a third reported using RT for ED. The most popular treatment was low-intensity shock wave therapy (54.6%), followed by platelet-rich plasma (24.5%) and their combination (14.7%), with stem cell therapy being the least used (3.7%). The primary indication for RT was the refractory or adverse effects of PDE5 inhibitors, with the best effectiveness reported in middle-aged and mild-to-moderate ED patients. Respondents were confident about its overall safety, with a significant number expressing interest in RT’s future use, despite pending guidelines support.
Conclusions
This inaugural global survey reveals a growing use of RT in ED treatment, showcasing its diverse clinical applications and potential for future widespread adoption. However, the lack of comprehensive evidence and clear guidelines requires further research to standardize RT practices in ED treatment.
5.Regenerative Therapy in Erectile Dysfunction:A Survey on Current Global Practice Trends and GAF Expert Recommendations
Manaf Al HASHIMI ; Germar-M PINGGERA ; Taymour MOSTAFA ; Amarnath RAMBHATLA ; Taha HAMODA ; Rupin SHAH ; Eric CHUNG ; Ahmed HARRAZ ; Mohamed ARAFA ; Tuncay TOPRAK ; Omer RAHEEM ; Carlo GIULIONI ; Ponco BIROWO ; Luca BOERI ; Yassir JASSIM ; Priyank KOTHARI ; Ranjit VISHWAKARMA ; Bahadir SAHIN ; Widi ATMOKO ; Safar GAMIDOV ; Cesar ROJAS-CRUZ ; Darren KATZ ; Adriano FREGONESI ; Nazim GHERABI ; Armand ZINI ; Christopher Chee Kong HO ; Mohamed S. AL-MARHOON ; Marlon MARTINEZ ; Giorgio Ivan RUSSO ; Ayman RASHED ; Gian Maria BUSETTO ; Edmund KO ; Hyun Jun PARK ; Selahittin CAYAN ; Ramadan SALEH ; Osvaldo RAJMIL ; Dong Suk KIM ; Giovanni COLPI ; Ryan SMITH ; Maged RAGAB ; Ates KADIOGLU ; Quang NGUYEN ; Kadir BOCU ; Ahmed EL-SAKKA ; Charalampos THOMAS ; Hussain M ALNAJJAR ; Hiva ALIPOUR ; Ashok AGARWAL
The World Journal of Men's Health 2025;43(2):359-375
Purpose:
This study aimed to examine current global practices in regenerative therapy (RT) for erectile dysfunction (ED) and to establish expert recommendations for its use, addressing the current lack of solid evidence and standardized guidelines.
Materials and Methods:
A 39-question survey was developed by senior Global Andrology Forum (GAF) experts to comprehensively cover clinical aspects of RT. This was distributed globally via a secure online Google Form to ED specialists through the GAF website, international professional societies, and social media, the responses were analyzed and presented for frequencies as percentages. Consensus on expert recommendations for RT use was achieved using the Delphi method.
Results:
Out of 479 respondents from 62 countries, a third reported using RT for ED. The most popular treatment was low-intensity shock wave therapy (54.6%), followed by platelet-rich plasma (24.5%) and their combination (14.7%), with stem cell therapy being the least used (3.7%). The primary indication for RT was the refractory or adverse effects of PDE5 inhibitors, with the best effectiveness reported in middle-aged and mild-to-moderate ED patients. Respondents were confident about its overall safety, with a significant number expressing interest in RT’s future use, despite pending guidelines support.
Conclusions
This inaugural global survey reveals a growing use of RT in ED treatment, showcasing its diverse clinical applications and potential for future widespread adoption. However, the lack of comprehensive evidence and clear guidelines requires further research to standardize RT practices in ED treatment.
6.Sexual function recovery following open and robotic radical prostatectomy: results of an academic penile rehabilitation program.
Michele Di NAUTA ; Ugo Giovanni FALAGARIO ; Anna RICAPITO ; Matteo RUBINO ; Pasquale ANNESE ; Gian Maria BUSETTO ; Luigi CORMIO ; Giuseppe CARRIERI ; Carlo BETTOCCHI
Asian Journal of Andrology 2025;27(6):680-685
Despite surgical advancements, erectile dysfunction (ED) is a common consequence of radical prostatectomy (RP). This study aimed to evaluate the impact of early penile rehabilitation within a dedicated penile rehabilitation program on assisted and unassisted erectile function (EF) recovery. All patients who underwent RP and at least 1 year follow-up at penile rehabilitation program in the Department of Urology, OORR Policlinico Riuniti (Foggia, Italy) were included. Treatment involved phosphodiesterase type 5 inhibitors (PDE5Is; tadalafil 20 mg, 1 tablet every other day), intracavernous injections (Caverject 5 µg, 1 vial per week), and daily use of vacuum erection devices (VEDs). Primary end point was EF recovery defined as International Index of Erectile Function-5 (IIEF-5) ≥21 with or without rehabilitation aids. IIEF-5 and prescribed treatments were prospectively collected at 3 months, 6 months, 9 months, 12 months, and 24 months. Among 570 eligible patients, 397 (69.6%) underwent rehabilitation. Patients who undergoing andro-rehabilitation were younger (65 months vs 70 months; P < 0.0001), had lower prostate-specific antigen (PSA) levels (5.9 ng ml -1 vs 6.2 ng ml -1 ; P = 0.04), and lower grade tumors ( P = 0.001) compared to the patients who did not undergo sexual rehabilitation after radical prostatectomy. Two-year EF recovery rates in patients undergoing andro-rehabilitation ranged from 75% (preoperative IIEF-5 >16) to 45% (preoperative IIEF-5 <16) with rehabilitation aids. Combination treatments (PDE5I+VEDs with or without intracavernous injections) showed the highest rates of EF recovery (up to 80% at 2 years). EF recovery without rehabilitation aids was significantly higher for patients with IIEF-5 >21 (IIEF-5 >21 [36%] vs IIEF-5 of 17-21 [18%]; P = 0.01). Subanalysis indicated a moderate benefit of rehabilitation in patients with preoperative IIEF-5 <16 who underwent bilateral nerve-sparing RP. Participation in intensive penile rehabilitation programs improves EF recovery in patients undergoing RP. Preserving the neurovascular bundles may be beneficial for patients with preoperative ED.
Humans
;
Male
;
Prostatectomy/rehabilitation*
;
Middle Aged
;
Erectile Dysfunction/drug therapy*
;
Aged
;
Recovery of Function
;
Robotic Surgical Procedures/adverse effects*
;
Phosphodiesterase 5 Inhibitors/therapeutic use*
;
Penile Erection
;
Tadalafil/therapeutic use*
;
Prostatic Neoplasms/surgery*
;
Treatment Outcome
7.Consensus and Diversity in the Management of Varicocele for Male Infertility: Results of a Global Practice Survey and Comparison with Guidelines and Recommendations
Rupin SHAH ; Ashok AGARWAL ; Parviz KAVOUSSI ; Amarnath RAMBHATLA ; Ramadan SALEH ; Rossella CANNARELLA ; Ahmed M. HARRAZ ; Florence BOITRELLE ; Shinnosuke KURODA ; Taha Abo-Almagd Abdel-Meguid HAMODA ; Armand ZINI ; Edmund KO ; Gokhan CALIK ; Tuncay TOPRAK ; Hussein KANDIL ; Murat GÜL ; Mustafa Emre BAKIRCIOĞLU ; Neel PAREKH ; Giorgio Ivan RUSSO ; Nicholas TADROS ; Ates KADIOGLU ; Mohamed ARAFA ; Eric CHUNG ; Osvaldo RAJMIL ; Fotios DIMITRIADIS ; Vineet MALHOTRA ; Gianmaria SALVIO ; Ralf HENKEL ; Tan V. LE ; Emrullah SOGUTDELEN ; Sarah VIJ ; Abdullah ALARBID ; Ahmet GUDELOGLU ; Akira TSUJIMURA ; Aldo E. CALOGERO ; Amr El MELIEGY ; Andrea CRAFA ; Arif KALKANLI ; Aykut BASER ; Berk HAZIR ; Carlo GIULIONI ; Chak-Lam CHO ; Christopher C.K. HO ; Ciro SALZANO ; Daniel Suslik ZYLBERSZTEJN ; Dung Mai Ba TIEN ; Edoardo PESCATORI ; Edson BORGES ; Ege Can SEREFOGLU ; Emine SAÏS-HAMZA ; Eric HUYGHE ; Erman CEYHAN ; Ettore CAROPPO ; Fabrizio CASTIGLIONI ; Fahmi BAHAR ; Fatih GOKALP ; Francesco LOMBARDO ; Franco GADDA ; Gede Wirya Kusuma DUARSA ; Germar-Michael PINGGERA ; Gian Maria BUSETTO ; Giancarlo BALERCIA ; Gianmartin CITO ; Gideon BLECHER ; Giorgio FRANCO ; Giovanni LIGUORI ; Haitham ELBARDISI ; Hakan KESKIN ; Haocheng LIN ; Hisanori TANIGUCHI ; Hyun Jun PARK ; Imad ZIOUZIOU ; Jean de la ROSETTE ; Jim HOTALING ; Jonathan RAMSAY ; Juan Manuel Corral MOLINA ; Ka Lun LO ; Kadir BOCU ; Kareim KHALAFALLA ; Kasonde BOWA ; Keisuke OKADA ; Koichi NAGAO ; Koji CHIBA ; Lukman HAKIM ; Konstantinos MAKAROUNIS ; Marah HEHEMANN ; Marcelo Rodriguez PEÑA ; Marco FALCONE ; Marion BENDAYAN ; Marlon MARTINEZ ; Massimiliano TIMPANO
The World Journal of Men's Health 2023;41(1):164-197
Purpose:
Varicocele is a common problem among infertile men. Varicocele repair (VR) is frequently performed to improve semen parameters and the chances of pregnancy. However, there is a lack of consensus about the diagnosis, indications for VR and its outcomes. The aim of this study was to explore global practice patterns on the management of varicocele in the context of male infertility.
Materials and Methods:
Sixty practicing urologists/andrologists from 23 countries contributed 382 multiple-choice-questions pertaining to varicocele management. These were condensed into an online questionnaire that was forwarded to clinicians involved in male infertility management through direct invitation. The results were analyzed for disagreement and agreement in practice patterns and, compared with the latest guidelines of international professional societies (American Urological Association [AUA], American Society for Reproductive Medicine [ASRM], and European Association of Urology [EAU]), and with evidence emerging from recent systematic reviews and meta-analyses. Additionally, an expert opinion on each topic was provided based on the consensus of 16 experts in the field.
Results:
The questionnaire was answered by 574 clinicians from 59 countries. The majority of respondents were urologists/ uro-andrologists. A wide diversity of opinion was seen in every aspect of varicocele diagnosis, indications for repair, choice of technique, management of sub-clinical varicocele and the role of VR in azoospermia. A significant proportion of the responses were at odds with the recommendations of AUA, ASRM, and EAU. A large number of clinical situations were identified where no guidelines are available.
Conclusions
This study is the largest global survey performed to date on the clinical management of varicocele for male infertility. It demonstrates: 1) a wide disagreement in the approach to varicocele management, 2) large gaps in the clinical practice guidelines from professional societies, and 3) the need for further studies on several aspects of varicocele management in infertile men.
8.Impact of Antioxidant Therapy on Natural Pregnancy Outcomes and Semen Parameters in Infertile Men: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
Ashok AGARWAL ; Rossella CANNARELLA ; Ramadan SALEH ; Ahmed M. HARRAZ ; Hussein KANDIL ; Gianmaria SALVIO ; Florence BOITRELLE ; Shinnosuke KURODA ; Ala’a FARKOUH ; Amarnath RAMBHATLA ; Armand ZINI ; Giovanni COLPI ; Murat GÜL ; Parviz KAVOUSSI ; Taha Abo-Almagd Abdel-Meguid HAMODA ; Edmund KO ; Gokhan CALIK ; Tuncay TOPRAK ; Germar-Michael PINGGERA ; Hyun Jun PARK ; Ramy Abou GHAYDA ; Suks MINHAS ; Gian Maria BUSETTO ; Mustafa Emre BAKIRCIOĞLU ; Ates KADIOGLU ; Eric CHUNG ; Giorgio Ivan RUSSO ; Aldo E. CALOGERO ; Rafael F. AMBAR ; Channa N. JAYASENA ; Rupin SHAH
The World Journal of Men's Health 2023;41(1):14-48
Purpose:
Seminal oxidative stress (OS) is a recognized factor potentially associated with male infertility, but the efficacy of antioxidant (AOX) therapy is controversial and there is no consensus on its utility. Primary outcomes of this study were to investigate the effect of AOX on spontaneous clinical pregnancy, live birth and miscarriage rates in male infertile patients. Secondary outcomes were conventional semen parameters, sperm DNA fragmentation (SDF) and seminal OS.
Materials and Methods:
Literature search was performed using Scopus, PubMed, Ovid, Embase, and Cochrane databases.Only randomized controlled trials (RCTs) were included and the meta-analysis was conducted according to PRISMA guidelines.
Results:
We assessed for eligibility 1,307 abstracts, and 45 RCTs were finally included, for a total of 4,332 infertile patients.We found a significantly higher pregnancy rate in patients treated with AOX compared to placebo-treated or untreated controls, without significant inter-study heterogeneity. No effects on live-birth or miscarriage rates were observed in four studies.A significantly higher sperm concentration, sperm progressive motility, sperm total motility, and normal sperm morphology was found in patients compared to controls. We found no effect on SDF in analysis of three eligible studies. Seminal levels of total antioxidant capacity were significantly higher, while seminal malondialdehyde acid was significantly lower in patients than controls. These results did not change after exclusion of studies performed following varicocele repair.
Conclusions
The present analysis upgrades the level of evidence favoring a recommendation for using AOX in male infertility to improve the spontaneous pregnancy rate and the conventional sperm parameters. The failure to demonstrate an increase in live-birth rate, despite an increase in pregnancy rates, is due to the very few RCTs specifically assessing the impact of AOX on live-birth rate. Therefore, further RCTs assessing the impact of AOX on live-birth rate and miscarriage rate, and SDF will be helpful.
9.Distinctive morphological and molecular features of urothelial carcinoma with an inverted growth pattern
Francesca SANGUEDOLCE ; Beppe CALÒ ; Marco CHIRICO ; Ugo FALAGARIO ; Gian Maria BUSETTO ; Magda ZANELLI ; Alessandra BISAGNI ; Maurizio ZIZZO ; Stefano ASCANI ; Giuseppe CARRIERI ; Luigi CORMIO
Journal of Pathology and Translational Medicine 2021;55(4):239-246
Urothelial carcinoma with an inverted growth pattern (UC-IGP) is a peculiar entity within the spectrum of urothelial lesions. While efforts have been made over the last few decades to unravel its carcinogenesis and relationship with conventional urothelial carcinoma, the exact classification of inverted urothelial lesions is a matter of debate. The morphological features of UC-IGP pose several issues in differential diagnosis with other mostly benign lesions. Various techniques, including immunohistochemistry, UroVysion, and many molecular methods, have been employed to study the exact nature of this lesion. The aim of this review is to provide a comprehensive overview of the morphological and immunophenotypical aspects of UC-IGP. Moreover, we present and discuss the immunohistochemical and molecular markers involved in diagnosis and prognosis of UC-IGP lesions.
10.Distinctive morphological and molecular features of urothelial carcinoma with an inverted growth pattern
Francesca SANGUEDOLCE ; Beppe CALÒ ; Marco CHIRICO ; Ugo FALAGARIO ; Gian Maria BUSETTO ; Magda ZANELLI ; Alessandra BISAGNI ; Maurizio ZIZZO ; Stefano ASCANI ; Giuseppe CARRIERI ; Luigi CORMIO
Journal of Pathology and Translational Medicine 2021;55(4):239-246
Urothelial carcinoma with an inverted growth pattern (UC-IGP) is a peculiar entity within the spectrum of urothelial lesions. While efforts have been made over the last few decades to unravel its carcinogenesis and relationship with conventional urothelial carcinoma, the exact classification of inverted urothelial lesions is a matter of debate. The morphological features of UC-IGP pose several issues in differential diagnosis with other mostly benign lesions. Various techniques, including immunohistochemistry, UroVysion, and many molecular methods, have been employed to study the exact nature of this lesion. The aim of this review is to provide a comprehensive overview of the morphological and immunophenotypical aspects of UC-IGP. Moreover, we present and discuss the immunohistochemical and molecular markers involved in diagnosis and prognosis of UC-IGP lesions.

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