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The inconspicuous penis in children
Marcello Cimador1, Pieralba Catalano1, Rita Ortolano1
1Department of Science for Health Promotion and Mother and Child Care, University of Palermo, Via Alfonso Giordano 3, 90127 Palermo, Italy.
Abstract:
The term 'inconspicuous penis' refers to a group of anatomical abnormalities in which the penis looks smaller than is expected. Micropenis can be defined as 'true micropenis'--which results from a defect in the hypothalamic-pituitary-gonadal axis--and 'micropenis secondary to congenital anatomical anomalies of the surrounding and overlying structures'--also known as 'concealed penis'. The different forms of concealed penis include webbed penis, congenital megaprepuce and partially hidden penis caused by prepubic adiposity. This disorder can also have iatrogenic causes resulting from adhesions that are secondary to circumcision--this type of concealed penis is known as 'trapped penis'. However, in both groups, micropenis is defined as a stretched penile length that is at least 2.5 SD below the mean for the patient's age, but without any other penile defects. Patients with true micropenis can be managed with testosterone, which has demonstrated good penile elongation results in the long term. Surgery also has a pivotal role in reconstruction for elongating the penis and for correction of anatomical abnormalities in concealed penis.
Insights
Inconspicuous penis encompasses conditions like true micropenis and concealed penis. Treatment involves testosterone for true micropenis and surgery for anatomical correction in concealed penis cases.
Area of Science:
- Pediatric Urology
- Endocrinology
- Anatomy
Background:
- Inconspicuous penis describes conditions where the penis appears smaller than typical.
- This includes true micropenis (hypothalamic-pituitary-gonadal axis defect) and concealed penis (anatomical anomalies).
- Concealed penis subtypes include webbed penis, congenital megaprepuce, and trapped penis (post-circumcision adhesions).
Purpose of the Study:
- To define and differentiate various forms of inconspicuous penis.
- To outline diagnostic criteria for micropenis.
- To discuss management strategies for true micropenis and concealed penis.
Main Methods:
- Review of anatomical abnormalities and classifications of inconspicuous penis.
- Definition of micropenis based on stretched penile length (at least 2.5 SD below mean).
- Discussion of treatment modalities including hormonal therapy and surgical reconstruction.
Main Results:
- Micropenis is diagnosed when stretched penile length is significantly below age-appropriate norms.
- Testosterone therapy shows long-term penile elongation benefits for true micropenis.
- Surgery is crucial for penile elongation and correcting anatomical issues in concealed penis.
Conclusions:
- Effective management of inconspicuous penis requires accurate diagnosis of its specific type.
- Hormonal therapy and surgical interventions offer viable treatment options for improving penile length and form.
- Understanding the distinct etiologies is key to successful patient outcomes.