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Modified partial circumcision for phimosis: techniques and surgical outcomes

Arena, Salvatore; Impellizzeri, Pietro; Parisi, Saveri; Perrone, Patrizia; Russo, Tiziana; Romeo, Carmelo

doi: 10.1097/01.XPS.0000535040.66866.25
ORIGINAL ARTICLES

Objectives In the last years, many surgical techniques of preputioplasty have aimed to preserve the foreskin in case of phimosis. These techniques are not reliable for patients affected by phimosis linked to balanitis xerotica obliterans (BXO) and scarred foreskin. We tried an original technique of resection of the pathological foreskin, removing the mucosal internal layer followed by reconstruction of the foreskin. The aim was to evaluate the outcome of paediatric patients who underwent modified partial circumcision for pathological phimosis.

Patients and methods In all, 360 patients with phimosis underwent modified partial circumcision at our institution. The mean age of the boys was 8.9 years, range 5–15 years. In 145 (40.3%) cases, indication for surgery was clinical suspicion of BXO, in 215 (59.7%) cases it was chronic inflammation of the foreskin.

Results In all cases, the postoperative period was uneventful. Cosmesis was considered by parents as excellent in 95.2% of patients. In these patients, the glans was almost completely covered by soft foreskin. Histopathological examination of the removed foreskin documented BXO in 162 (45%). Twelve (3.3%) patients complained of recurrences and five (1.4%) patients of smegmatic cysts.

Conclusion The described surgical technique of modified partial circumcision for the correction of pathological phimosis appears cosmetically well accepted, safe, and simple with low rate of late postoperative complications.

Unit of Paediatric Surgery, Department of Human Pathology in Adult and Developmental Age ‘Gaetano Barresi’, University of Messina, Messina, Italy

Correspondence to Salvatore Arena, MD, PhD, Unit of Paediatric Surgery, Department of Human Pathology in Adult and Developmental Age ‘Gaetano Barresi’, University of Messina, Viale Gazzi, AUO ‘Gaetano Martino’, 981 24 Messina, Italy Tel: +39 090 221 3014; fax: +39 090 221 3015; e-mail: salarena@unime.it

Received February 10, 2018

Accepted May 5, 2018

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Introduction

Circumcision is the amputation of the foreskin, resulting in a permanent alteration of the anatomy and histology of the penis 1–3. It is a very common procedure in the USA, where up to 85% of boys and men are circumcised, while it is not so frequent in Europe 3. Usually, boys and appreciably fewer adult men are circumcised for three reasons: first of all, it is considered a religious ritual; second, it is a prophylactic measure against future ailments (reducing the risk of penile cancer, urinary tract infection, and sexually transmitted diseases); and third, it is performed for medical indications 4. The latter reason represents the subject of this article. Phimosis is defined as an abnormal tightness of the foreskin, preventing it being retracted over the tip of the penis. Pathological phimosis due to balanitis xerotica obliterans (BXO), affecting 0.8–1.5% of boys 5,6 and recurrent balanoposthitis, involving about 1% of boys 7 are reported as indications for circumcision. For these indications, less than 2.5%, by a generous estimation, of boys requires circumcision.

It is known that the foreskin is a primary, erogenous tissue necessary for normal sexual function 8. In this way, surgical amputation of the foreskin removes many of the fine-touch corpuscular receptors from the penis. Moreover, the residual exposed glans mucosa becomes abnormally keratinized with an increase in the number of cell layers in granular mucosal epithelium, reducing sensitivity.

Research exploring sexual functioning across circumcision status has produced mixed results 9. In this regard, the absence of fine-touch receptors, a desensitized glans, and the impossibility of an erogenous mobility of the prepuce might necessitate inordinate stimulation of residual penile nerve endings to achieve pleasure and orgasm 9–11. Furthermore, many circumcised men reported that restoration of the foreskin resolved the unnatural dryness of the circumcised penis, which caused abrasion pain or bleeding during intercourse and that restoration offered unique pleasures, which enhanced sexual intimacy 9,12,13. Moreover, 0.9–7.29% of circumcised men complained of meatal stenosis 14,15.

Some authors developed alternative procedures to circumcision for men who required surgery for phimosis, such as preputioplasty 16–19, to preserve corpuscular sensory receptors, dartos muscle, and complete function of the penis, thus avoiding abnormal exposure and keratinisation of the glans. However, for BXO-related phimosis, preputioplasty is not indicated as the affected foreskin is not removed. We have developed a technique of modified partial circumcision for paediatric patients affected by ‘pathological’ phimosis, removing the stenotic region and the internal layer of the foreskin but almost completely preserving the foreskin. In our opinion, this technique allows a cover for the glans, maintains the function of the foreskin, and avoids recurrence of phimosis with good cosmetic results.

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Patients and methods

The study was approved by the Institutional Review Board. Between January 1998 and August 2009, 360 consecutive patients with ‘pathological’ phimosis underwent modified partial circumcision at our institution. After informed consent of parents, all the patients underwent surgery as day cases under both general and locoregional infiltration anaesthesia (bupivaine 0.5% plain). The mean age of the boys was 8.9 years, range 5–15 years. In 145 (40.3%) cases, the indication for surgery was the clinical suspicion of BXO as a cause of troublesome phimosis. In 215 (59.7%) cases, the indication for surgery was the fibrotic scar of the preputial orifice after attempts to shift the foreskin with its radial laceration and fibrotic scar formation (chronic inflammation of the prepuce).

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Surgical technique

After dilation of the stenotic preputial hole using clips and exposing the glans (Fig. 1), a frenulectomy using a bipolar is performed. Then, the foreskin is retracted, and a circumferential incision is made 0.5–1.0 cm proximal to the coronal sulcus, depending on the penile length (Fig. 2a and b). Two Allis’ forceps are located on the edge of the prepuce, performing a light traction and a demarcation of the fibrotic preputial tissue that needs to be removed is carried out using a forceps (Fig. 3a and b). Thus, the foreskin is excised circumferentially with monopolar diathermy (Fig. 4a and b). Then, the foreskin is retracted, and the remnant mucosal epithelium is excised circumferentially (Fig. 5a–d). If necessary, the bleeding vessels are gently cauterized or tied off with 6–0 absorbable sutures.

Fig. 1

Fig. 1

Fig. 2

Fig. 2

Fig. 3

Fig. 3

Fig. 4

Fig. 4

Fig. 5

Fig. 5

The residual preputial skin is then sutured to the distal mucosal skin with a stitch in the dorsal midline and two ventral stitches on each side of the frenulum. These sutures can be used for gentle traction. The remaining preputial skin is sutured to the distal mucosal skin with 5–0 absorbable interrupted sutures (Fig. 6a and b). The reconstructed foreskin is gently pulled up to allow cover of the glans. In this way, the suture line lies on the internal part of the preputial sac (Fig. 7a and b). The removed prepuce is sent for histological examination. The patients were discharged the same day of the surgical procedure with topic antibiotic therapy for 7 days. In all patients with histological diagnosis of BXO, a local treatment with 0.05 clobetasol propionate was performed, according to the Pugliese et al. protocol 20. In particular, one application per day for 4 weeks, then one application every 48 h for another 4 weeks and, subsequently, two applications per week for 1 month was followed.

Fig. 6

Fig. 6

Fig. 7

Fig. 7

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Results

In all the cases, the postoperative period was uneventful, and no complications were reported. An outpatient follow-up was carried out at 1, 12 and 24 months. Cosmesis was considered excellent by parents in 95.2% of patients. In these patients, the glans was almost completely covered by soft foreskin, normally running upon the glands. No surgical scar was seen (Fig. 8). Histopathological examination of the removed foreskin documented the characteristic findings of BXO in 162 (45%). In the remaining 198 (55%) cases, light microscopy showed nonspecific fibrosis. Twelve (3.3%) patients of which nine with histological diagnosis of BXO, complained of recurrence and a radical circumcision was performed. In five (1.4%) cases, a smegmatic cyst was noted for the presence of mucosa lamina propria along the suture line. In these cases, surgical resection of the smegmatic cyst was performed.

Fig. 8

Fig. 8

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Discussion

Without knowledge of the normal development of the penis, some physicians advocate childhood circumcision as a surgical treatment of normal anatomy 2. For this reason, it has been estimated that the number of circumcision performed for medical reasons is less than 10% of all performed circumcision 21. The foreskin is considered a main, erogenous tissue necessary for normal sexual function 2 and it is unclear if amputation of the foreskin might cause changes in sexual behaviour in men 9,22–24. It has been suspected that the increased frequency of masturbation, anal intercourse, and fellatio reported by circumcised men in the USA might be due to the sensory imbalance caused by circumcision 25. Furthermore, it has also been reported that woman preferred vaginal intercourse with an anatomically complete penis over a circumcised penis, which causes abrasion, pain, or bleeding during intercourse 25.

Many circumcised men complained of an annoying dryness and it has been reported that restoration of the foreskin resolves the unnatural dryness of the circumcised penis 12. Uncircumcision, the procedure restoring the foreskin, has been performed from antiquity 13 and one of the first detailed descriptions of the operative technique was performed by Celsus 26.

In the last few years, many surgical techniques of preputioplasty have aimed to preserve the foreskin in the case of phimosis 16–19. Unfortunately, these techniques have not been proven reliable for patients affected by phimosis linked to BXO and in patients with scarred foreskin as these preputioplasties leave the pathological foreskin in situ. Furthermore, traditional partial circumcision, leaving the residual pathological foreskin behind, is often followed by recurrent cases, 50% in Becker’s experience 27.

To resolve these issues, we tried this original surgical technique of resection of pathological foreskin, removing the mucosal internal layer followed by the reconstruction of the foreskin using the remaining unaffected cutaneous external layer, thus allowing an almost complete coverage of the glans.

Moreover, this technique, almost completely preserving the foreskin, appears well accepted by patients and parents, also because circumcision is considered as a mutilation in Europe. Moreover, using this technique, the suture line lies on the internal part of the balanopreputial sulcus with a very good cosmetic appearance of the penis. To reduce the incidence of recurrences of BXO in the remaining foreskin, meatus and urethra, we suggest pharmacological treatment with 0.05% clobetasol propionate 20,28,29. In this manner, phimosis recurrence is 3.3% using this technique even if BXO could be considered as a risk factor 30. In our experience, a recurrence occurred in 5.5 and 1.5% of patients with or without BXO, respectively. We believe that a complete resection of the lamina propria of preputial mucosa is mandatory to avoid the formation of smegmatic cysts: Tyson’s glands, the source of smegma, are allocated in the mucosal lamina propria 2.

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Conclusion

The surgical technique of modified partial circumcision that we have described above for the correction of pathological phimosis is safe and simple. Cosmetically, it is well accepted by patients and parents, with low rate of late postoperative complications and with an acceptable rate of recurrence. We believe that a prospective study evaluating the satisfaction of sexually active patients who underwent modified partial circumcision could be useful.

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Conflicts of interest

There are no conflicts of interest.

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