Evidence map›Paper›PMID 8491402›Full record

ArticleGut1993

Rectal epithelial cell proliferation patterns as predictors of adenomatous colorectal polyp recurrence.

M Anti, G Marra, F Armelao, A Percesepe, R Ficarelli, G M Ricciuto, A Valenti, G L Rapaccini, I De Vitis, G D'Agostino

Abstract read
In one paragraph

Article in Gut, 1993. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.

0numbers the graph read from it
0cells of the map it votes in
29citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

29 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

M AntiDepartment of Internal Medicine, Catholic University, Rome, Italy.
G Marra
F Armelao
A Percesepe
R Ficarelli
G M Ricciuto
A Valenti
G L Rapaccini
I De Vitis
G D'Agostino

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

To determine whether proliferative patterns in flat rectal mucosal samples can predict the recurrence of adenomatous colorectal polyps, after polypectomy, biopsy specimens from normal looking rectal mucosa were obtained at endoscopy from 55 patients diagnosed for the first time as having adenomatous colorectal polyps. Epithelial cell proliferation was assessed in biopsy specimens through 3H-thymidine autoradiography. After polypectomy, patients were followed for 24 months and underwent complete colonoscopy every 6 months to detect and remove any metachronous lesions. In 40 patients second biopsy specimens were taken during one of the follow up colonoscopies to evaluate the stability of proliferative indices over time. The ratio of labelled (S phase) to total cells (labelling index) for the entire crypt, as well as ratios for each of the five equal compartments into which the crypt had been divided longitudinally, was calculated for each patient. Mean labelling indices for upper crypt compartments 3 and 4 + 5 in the 22 patients in whom polyps recurred were significantly higher (respectively p < 0.05 and p < 0.01) than those of the 33 without recurrence suggesting that an upward shift of the crypt's replicative compartment is associated with polyp recurrence. Labelling indices remained essentially unchanged in those patients who underwent biopsy twice. Reproducible kinetic parameters such as these might be useful in planning follow up of patients with adenomatous polyps after polypectomy.

Indexed as

AdultAgedCell DivisionColonic PolypsFemaleFollow-Up StudiesHumansIntestinal MucosaIntestinal PolypsMaleMiddle AgedNeoplasm Recurrence, LocalProspective StudiesRectal NeoplasmsRectum

Identifiers

PMID8491402
PMCPMC1374315

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.