Case Reports in Urology

Case Reports in Urology / 2017 / Article

Case Report | Open Access

Volume 2017 |Article ID 7940101 | https://doi.org/10.1155/2017/7940101

Sasikumar Subramaniam, Gowribahan Thevarajah, Karunadasa Kolitha, Nandasena Namantha, "Squamous Cell Carcinoma of Suprapubic Cystostomy Site in a Patient with Long-Term Suprapubic Urinary Catheter", Case Reports in Urology, vol. 2017, Article ID 7940101, 5 pages, 2017. https://doi.org/10.1155/2017/7940101

Squamous Cell Carcinoma of Suprapubic Cystostomy Site in a Patient with Long-Term Suprapubic Urinary Catheter

Academic Editor: Giorgio Carmignani
Received28 Jul 2017
Revised03 Oct 2017
Accepted10 Oct 2017
Published12 Nov 2017

Abstract

Patients with long-term suprapubic cystostomy can rarely develop squamous cell carcinoma (SCC) of the suprapubic cystostomy tract. In addition to the few reported cases in the literature, this paper reports a case of suprapubic cystostomy SCC in an 88-year-old man without bladder involvement. Vigilance about any abnormal lesion at the site of suprapubic cystostomy is important among health providers and patients for early detection of SCC.

1. Introduction

Squamous cell carcinoma contributes to 3% of bladder malignancies [1]. In patients with long-term suprapubic cystostomy, squamous cell carcinoma (SCC) can rarely arise from the suprapubic cystostomy tract itself and this has been reported only in a limited number of cases in the literature.

We report a case with suprapubic cystostomy tract SCC without involvement of the bladder and its management.

2. Case Report

An 88-year-old male patient presented to us with large fungating growth encircling the suprapubic cystostomy site of eight-month duration with gradual expansion in size. He underwent several surgical procedures for long urethral stricture, and as the measures finally failed, he has been on permanent suprapubic cystostomy for 25 years.

Physical examination revealed a fungating growth surrounding the suprapubic cystostomy site (Figure 1). Biopsy of the lesion showed squamous cell carcinoma. Contrast enhanced computed tomography scan of the abdomen and pelvis revealed a tumor around the cystostomy tract without involving the bladder and lymph nodes were negative (Figure 2). The upper tracts were normal and his renal function test was normal with serum creatinine of 90 μmol/L. Flexible cystoscopy through the cystostomy revealed no evidence of growth in the bladder. Cystogram was done to assess the possibility of perineal urethrostomy to place the urinary diversion after resection (Figure 3). The cystogram showed the obstruction from the level of bladder neck and eliminated perineal urethrostomy as an option.

The surgery was performed as a combined procedure by both urology and plastic surgery team under general anesthesia. The growth was excised with a macroscopic margin of 1 cm from skin down to the rectus sheath and cuff of the bladder with the cystostomy tract also removed en bloc (Figure 4). Intraoperatively, we found that the tumor did not invade into the bladder.

Full-thickness reconstruction was done with inferior epigastric artery based vertical rectus abdominis myocutaneous pedicled flap from the left side. As shown in Figure 5, skin incision was made vertically and the width of the skin paddle was decided by the defect in the excision site in a way to close the defect. The myocutaneous flap was harvested while preserving the posterior rectus sheath and the flap was delivered through the subcutaneous tunnel into the defect site without compromising the vasculature.

A silicon catheter was passed through the center of the flap while taking care not to damage the vascular supply to the flap (Figure 6). The catheter tip was placed into the bladder through the defect and the bladder defect was closed. The bladder wall was anchored to the under surface of the flap. The anterior rectus sheath of the flap was sutured to the muscular aponeurotic defect with size 2/0 polypropylene suture and then the deep dermal layers and skin were repaired accordingly. The laxity of the abdominal wall allowed the closure of the donor defect primarily with polyamide sutures.

Postoperatively, the patient developed mild urine leak through the inferior border of the flap, but it settled with conservative measures by day 10. Otherwise, the patient had uncomplicated recovery after surgery. Figure 7 illustrates the healed surgical wound.

Histopathology report revealed a well differentiated early invasive squamous cell cancer extending into the dermis (pT2), and the deep and radial resection margins were free of tumor (Figure 8).

The patient did not undergo any other additional treatment modalities. At the follow-up of six months, the patient was without any symptoms. The abdominal wall strength was satisfactory and there was no incisional hernia. We plan to follow up this patient three-monthly.

3. Discussion

Chronic suprapubic catheterization may rarely give rise to SCC, and in the literature, there are few reported cases. Chronic irritation and metaplasia are proposed to be the pathophysiology in a number of studies [1113]. In 1993, Stroumbakis et al. reported the first patient with SCC on long-term suprapubic cystostomy following urethral stricture [2]. Since then, there have been a number of reported cases in the literature regarding suprapubic cystostomy site squamous cancer with or without bladder involvement, which are summarized in Table 1.


Reporting yearStudyAgeIndication for suprapubic cystostomyDuration of suprapubic cystostomyBladder involvementT stageModality of treatmentSurvival

1993Stroumbakis et al. [2]80Urethral stricture5 yearsNoT4Radiation and excision
1995 Stokes III et al. [3]5025 yearsYesT4Surgery8 months
1999Schaafsma et al. [4]805 yearsNoT4Wide excision and partial cystectomy5 months
2000Gupta et al. [5]40Urethral stricture (healed tract)20 yearsYesT4Radical cystoprostatectomy and excision of mass with ileal conduit>3 months
2011Ito et al. [6]58Paraplegia35 yearsNot mentionedT4Radiation>6 months
2013Chung et al. [7]56Urethral stricture9 yearsYesT4Radiation6 months
2014Massaro et al. [8]55Paraplegia38 yearsYesT4Surgical resection and recurrence in 1 year end up in palliative careNot available
2014Massaro et al. [8]85Idiopathic urinary retention9 monthsYesT4Surgical resection and palliative careNot available
2015Ranjan et al. [9]68Urethral stricture (multiple suprapubic cystostomy)20 years (initial suprapubic cystostomy)YesT4Radiotherapy4 months
2015Zhang et al. [10]61Paraplegia28 yearsYesT4Radiotherapy>2 years
2017Present study88Urethral stricture25 yearsNoT2Wide local excision with bladder cuff and flap reconstructionSurvival at follow-up of 6 months

According to Table 1, the indication for suprapubic cystostomy is either neurogenic bladder drainage or urethral stricture. The median age at presentation was 61 years (range: 40–88, mean: 65). Seven out of 11 patients have been on suprapubic cystostomy for more than 20 years, even though the duration of suprapubic cystostomy is in the range of 9 months to 35 years [210]. Some patients having a past history of suprapubic cystostomy also developed SCC at the scar site [5, 9]. This reveals that the initial insult itself can predispose to a malignant change. Almost all the cases in the literature were advanced disease (T4) compared to the present case (T2). SCC at the suprapubic cystostomy site can present with or without bladder involvement. Including the present case, the patient without bladder involvement underwent limited resection in the form of partial cystectomy or wide local excision [2, 4]. Either surgery or radiotherapy or both were used as modalities of treatment in SCC. In the present case, considering the patient’s age and sparing of the bladder from tumor invasion create the possibility of going for limited resection with placement of a urinary catheter through the flap. In most cases, treatment modalities were used as a palliative measure. But in the present case we opt for curative resection. With the support of the plastic surgery team, reconstruction was done and suprapubic cystostomy was taken through the flap which was not previously described in the literature. As the resection was done with negative margins and there was no evidence of metastasis, the multidisciplinary team’s decision was to follow him up with active surveillance without any further adjuvant treatment.

4. Conclusion

It is prudent to look for changes around the suprapubic cystostomy site in a patient on long-term suprapubic catheterization or who had a suprapubic cystostomy in the past. It has to be carefully evaluated for malignancy. Even though SCC in the suprapubic cystostomy site is rare, early identification leads to a tumor-free resection margin at surgery and the ability to avoid extensive resection, such as cystectomy.

Conflicts of Interest

The authors declare that there are no conflicts of interest.

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Copyright © 2017 Sasikumar Subramaniam et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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