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Goel P, Choudhury P, Saroya KK, Jain V, Dhua AK, Yadav DK, Anand S, Agarwala S, Sharma K, Agrawal V, Saha S, Singh H, Sharma N, Singh VP. Advancing Precision in Penile Length Measurement: Evidence-based Synthesis of Stretched Penile Length INdicator Technique (SPLINT). J Indian Assoc Pediatr Surg 2024; 29:492-504. [PMID: 39479430 PMCID: PMC11521232 DOI: 10.4103/jiaps.jiaps_11_24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/26/2024] [Accepted: 04/10/2024] [Indexed: 11/02/2024] Open
Abstract
Purpose The purpose of this study was to synthesize evidence and propose a technique for estimation of stretched penile length (SPL) applicable to children. Materials and Methods This review has been conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses. PubMed, Embase, and Scopus databases were queried on penile length (PL) measurement techniques in humans published from 1990 onward. The devices and the techniques used for PL measurement, state of the penis, the habitus of the participants, proximal and distal landmarks for measurement, handling the foreskin and pubic pad of fat, optimal stretching of the penis, and other factors (including the environment) which should be accounted for in the technique were identified from the study cohort (90895 participants across 145 included studies). Results PL has been represented through flaccid (33.79%), stretched (81.3%), and erect (12.41%) PLs as well as the greatest corporeal length (1.4%). Following devices have been used to measure the PL in the study cohort: rulers [54.68%], calipers [9.7%], measuring tapes [14.5%], coloured measuring strips [2.06%], spatulas/tongue depressors [11.03%], FitKit, syringe [1.4%], cotton swab (and ruler), titan cylinders, slide gauge and ultrasonography [1.37%]. The factors relevant to SPL measurement have been incorporated into the proposed SPL INdicator Technique (SPLINT) which is essentially a holistic extension of the "Conventional PL Measurement" technique. Conclusions There is a wide range of heterogeneity in the technique for estimation of PL across the study cohort; the underlying factors have been identified along with the respective variables, and the SPLINT for SPL has been described.
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Affiliation(s)
- Prabudh Goel
- Department of Paediatric Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Prativa Choudhury
- Department of Paediatric Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Komal Kaur Saroya
- Department of Paediatric Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Vishesh Jain
- Department of Paediatric Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Anjan Kumar Dhua
- Department of Paediatric Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Devendra Kumar Yadav
- Department of Paediatric Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Sachit Anand
- Department of Paediatric Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Sandeep Agarwala
- Department of Paediatric Surgery, All India Institute of Medical Sciences, New Delhi, India
| | - Kanika Sharma
- Department of Paediatric Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
| | - Vikesh Agrawal
- Department of Pediatric Surgery, Netaji Subhash Chandra Bose Government Medical College, Jabalpur, Madhya Pradesh, India
| | - Subhasis Saha
- Senior Consultant Pediatric Surgeon, AMRI Hospital, Kolkata, West Bengal, India
| | - Harpreet Singh
- Division of Biomedical Informatics, Indian Council of Medical Research, New Delhi, India
| | - Naveen Sharma
- Indian Council of Medical Research, New Delhi, India
| | - V. P. Singh
- Department of Health Research, DHR-ICMR Coordinating Unit, Indian Council of Medical Research, New Delhi, India
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Di Mauro M, Tonioni C, Cocci A, Kluth LA, Russo GI, Gomez Rivas J, Cacciamani G, Cito G, Morelli G, Polloni G, di Maida F, Giunti D. Penile length and circumference dimensions: A large study in young Italian men. Andrologia 2021; 53:e14053. [PMID: 33748967 PMCID: PMC8243978 DOI: 10.1111/and.14053] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 02/22/2021] [Accepted: 03/08/2021] [Indexed: 02/03/2023] Open
Abstract
The aim of the present study was to evaluate the size of the penis in flaccidity and in erection of Italian men. A total of 4,685 men living in Italy and who have been visited at the Italian urology operating units were involved in the study between January 2019 and January 2020. Each patient was given details on how to measure their penis (erect length and circumference) in flaccidity and in erection, from the lower base to the distal penile tip. Mean (standard deviation [SD]) flaccid penis length was 9.47 (2.69), mean (SD) flaccid penis circumference was 9.59 (3.08), mean (SD) erect penis length was 16.78 (2.55) and mean (SD) erect penis circumference was 12.03 (3.82). At the linear regression analysis, height was associated with flaccid penis length (β = 0.04; p-value = .01), and erect penis length was (β = 0.05; p-value < .01) and erect penis circumference was (β = 0.06; p-value < .01). Height is proportional to the length of the penis in flaccidity and in erection, and to the circumference in erection. The increase in BMI leads to a reduction in the length of the erect penis, as well as weight gain reduces the length of the flaccid penis.
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Affiliation(s)
- Marina Di Mauro
- Urology Section, Department of Surgery, University of Catania, Catania, Italy
| | | | - Andrea Cocci
- Department of Urology, University of Florence, Florence, Italy
| | - Luis A Kluth
- Department of Urology, University Hospital Frankfurt, Goethe University, Frankfurt am Main, Germany
| | - Giorgio Ivan Russo
- Urology Section, Department of Surgery, University of Catania, Catania, Italy
| | - Juan Gomez Rivas
- Department of Urology, La Paz University Hospital, Madrid, Spain
| | - Giovanni Cacciamani
- USC Institute of Urology and Catherine and Joseph Aresty Department of Urology, University of Southern California, Los Angeles, CA, USA
| | - Gianmartin Cito
- Department of Urology, University of Florence, Florence, Italy
| | | | | | | | - Daniel Giunti
- Centro Integrato di Sessuologia Il Ponte, Florence, Italy
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