Differentiating presacral masses in anorectal malformations and isolated sacrococcygeal teratomas
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In brief
In brief
Retrospective study comparing presacral masses in ARM patients versus isolated SCTs over 39 years. ARM-associated masses showed lower tumor grade but higher rates of sacral defects, tethered cord, and fecal incontinence requiring enema management compared to isolated SCT cases.
Written by the GCMD Library team from the article.
Abstract
Purpose
Presacral masses associated with anorectal malformations (ARM) are most frequently dermoid or teratomas. Sacrococcygeal teratoma (SCT), in isolation, is a different condition. There are limited data comparing the two. The aim of this study was to compare presacral masses associated with ARM and isolated SCTs.
Methods
A retrospective review was performed from 1979 to 2018. Patients with presacral masses and associated ARM (n = 39) were identified and compared to patients with isolated SCTs (n = 32).
Results
Those with presacral mass and ARM had a lower proportion of immature and mixed teratomas by pathology and a longer time to mass resection. They had higher percentages of sacral anomalies (76% versus 9%), tethered cord (50% versus 6%), and other anomalies (51% versus 9%). For long-term bowel function, patients with presacral mass and ARM were more likely to be fecally incontinent and require enemas (59% versus 11%). Regarding isolated SCTs, 4% recurred with a time to recurrence of 7 months.
Conclusions
Compared to patients with isolated SCT, patients with presacral mass and ARM had lower grade tumors. In addition, they had a higher proportion of sacral defects and other congenital defects, as well as worse bowel function outcomes.