Sir,
I read with interest the distinguished study by Srinivas et al.[1] published in the July–September 2019 issue of the Journal of Indian Association of Pediatric Surgeons. The authors generated age-specific nomogram of the testicular volume with centiles and standard deviations to Indian children up to 8 years of age.[1] Based on the following methodological limitation, I assume that the clinical implication of that constructed nomogram must be exercised cautiously. It is explicit that there are ethnic differences in testicular size.[2] India is a country with a unique admixture of different ethnicities. The authors did not address, in the study methodology, the ethnic standards of the studied pediatric population.[1] Hence, I assume that age- and ethnicity-specific normative values of the testis size ought to be formulated. Despite the aforementioned limitation, the constructed reference values represent a useful tool in assessing testicular health in pediatric clinical settings and researches.
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REFERENCES
- 1.Srinivas R, Thomas RJ, Sebastian T, Kurian JJ. Testicular volume in a cohort of prepubertal Indian children. J Indian Assoc Pediatr Surg. 2019;24:192–6. doi: 10.4103/jiaps.JIAPS_100_18. [DOI] [PMC free article] [PubMed] [Google Scholar]
- 2.Diamond JM. Ethnic differences. Variation in human testis size. Nature. 1986;320:488–9. doi: 10.1038/320488a0. [DOI] [PubMed] [Google Scholar]