Table 1: Summary of cases of granular cell tumors involving the anal sphincters: Demographics, treatments, and outcomes.
|Cohen, et al. ||Mistrangelo, et al. ||Wan, et al. ||Current case|
|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|