Table 1: Summary of cases of granular cell tumors involving the anal sphincters: Demographics, treatments, and outcomes.
Cohen, et al. [7] | Mistrangelo, et al. [8] | Wan, et al. [9] | Current case | |
Age (years) | 75 | 46 | 48 | 52 |
Gender | Female | Female | Female | Female |
Location | Internal anal sphincter | External anal sphincter | External anal sphincter | External anal sphincter |
Excision strategy | Local excision with cuff of internal sphincter, preservation of rectal mucosa, external anal sphincter, and levator ani | Local excision with partial cuff of external anal sphincter | Local excision with preservation of anoderm and puborectalis | Local excision with preservation of internal anal sphincter |
Repair technique | Primary repair of internal sphincter, plication of levator ani and external sphincter, endorectal advancement flap | No repair required | Overlapping sphincteroplasty of external and internal anal sphincter, levatorplasty with bioprosthetic mesh | Overlapping sphincteroplasty of external anal sphincter |
Follow Up | 5 years | Not reported | 3 months | 8 months |
Local control | No recurrence | No recurrence | No recurrence | Residual vs. recurrent soft tissue mass on imaging, not on exam |
Continence | Continent of stool and flatus | Not reported | Continent of stool and flatus | Continent of stool and flatus, rare accidents |