Giant filiform polyposis with high-grade dysplasia: A case report and review of the literature

Kasuga, So; Anzai, Hitomi; Makise, Naohiro; Sonoda, Hirofumi; Nagai, Yuzo; Abe, Shinya; Yokoyama, Yuichiro; Ozawa, Tomohiro; Emoto, Shigenobu; Murono, Koji; Sasaki, Kazuhito; Kawai, Kazushige; Nozawa, Hiroaki; Ushiku, Tetsuo; Ishihara, Soichiro

doi:10.1016/j.amsu.2022.104433

Cited by 1 publication

(2 citation statements)

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“…Filiform polyposis (FP) is a rare variant of pseudopolyposis characterized by long vermiform, projections 3 . A recent review estimated that of the reported cases of FP, 46% occurred with UC, 37% with Crohn's, and 17% with other inflammatory conditions 4 . To our knowledge, few pediatric reports exist that describe FP or its natural history.…”

Section: Introductionmentioning

confidence: 99%

“…3 A recent review estimated that of the reported cases of FP, 46% occurred with UC, 37% with Crohn's, and 17% with other inflammatory conditions. 4 To our knowledge, few pediatric reports exist that describe FP or its natural history. Here we report the evolution of FP in a pediatric patient with ulcerative colitis (UC) with a previous history of classical pseudopolyposis.…”

Section: Introductionmentioning

confidence: 99%

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Evolution of filiform polyposis from classical pseudopolyposis in a pediatric ulcerative colitis patient

Liaw,

Park,

Barth

et al. 2023

JPGN rep.

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Filiform polyposis (FP) is a morphologic variant of pseudopolyposis associated with inflammatory conditions of the gastrointestinal tract, namely, inflammatory bowel disease. Pediatric cases are uncommon in the literature. Here, we present a pediatric patient with FP arising from ulcerative colitis (UC). He initially presented at 7 years of age for an acute UC flare and was found to have classical pseudopolyposis. A follow‐up colonoscopy at age 9 showed the evolution of classical pseudopolyposis to FP. The patient clinically improved with sulfasalazine monotherapy and remained in remission based on consistent pediatric ulcerative colitis activity index scores of zero and normal‐range inflammatory markers. Repeat surveillance colonoscopy at age 14 showed persistent and diffuse FP in the background of healthy colonic mucosa. This case documents the development of FP from classical pseudopolyps in the setting of an asymptomatic patient in clinical remission.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%