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Award.

To obtain credit, see tbe questionnaire at tbe end oftbe article.

:.

From the Archives #{216}f the AFIP James

Polypold and : Manifestations Bowel James Leslie

LCDR, MD

project

MC,

above

ulcerative

tively ceived

as the

level

of the

ulceration

mucosa

remain;

baseline

and

H. Dacbman,

USNR

MD

of the idiopathic inflammatory disease) are often confusing. surrounding

or a cobblestone

extensive

normal

#{149} Abraham

USNR

the

colitis)

when

sults

MC,

Pseudopolypoid of Inflammatory

The polypoid manifestations (ulcerative colitis and Crohn (in

LCDR,

Disease’

L. Buck, H. Sobin,

polyps

L. Buck,

develops

the

mucosa.

appearance

thus, islands

Pseudopolyposis

(in

and only

the

bowel diseases Inflammatory

ulcerated

Crohn

scattered areas

as polyps.

disease)

re-

islands

may

be

of rela-

falsely

Postinflammatory

per(fihiform)

polyps-fingerhike projections of submucosa covered by mucosa on all sides-reflect healing of undermined mucosal and submucosal remnants and ulcers and are almost always multiple. Patients with ulcerative colitis Crohn

disease

sionally,

are

at increased

dysplasia

cosal

atypia)

Because

occurs

is a histologic

are

developing

highly

Dysplasia

associated difficult

with

recommended

for

or

Occa-

of the

and dysplasia

is sometimes

usually

adenocarcinoma.

lesion.

adenocarcinoma polyps

biopsy

for

marker

differentiating

postinflammatory and

risk

as a polypoid

colon

(mu-

adenocarcinoma.

from

inflammatory

impossible,

definitive

or

or

endoscopy

diagnosis

of suspicious

lesions.

INTRODUCTION

U

Although

the

diseases diology

radiologic

(ulcerative

and

pathologic

colitis

literature

(1-3),

features

and Crohn their

of idiopathic

disease)

polypoid

and

have been

inflammatory

well

pseudopolypoid

bowel

reviewed

in the ra-

manifestations

me-

main a source of confusion for radiologists and radiology residents. We present a pictorial essay in which the following manifestations (and the correct terminology

Abbreviation:

H-E

Indexterms: testinal

Colitis, neoplasms,

RadioGraphlcs I

From

tute

the and

Bethesda, opinions

Nuclear

or as reflecting 1991

75.261

1, 742.321,

of Radiologic Bldg

54,

Medicine Md. Received or assertions the

#{149} Colon,

742.35

mucosa,

#{149} Intestines,

75.261

#{149} Colon,

diseases,

742.262

neoplasms,

75.311,

#{149} Intestines,

75.321,

mucosa,

75.35

#{149} In-

742.262

11:293-304

Departments

of Pathology,

ences, The

CRSNA,

ulcerative,

742.31 1991;

ology

cial

hematoxylin-eosin

views

Rm

M121

(J.L.B., October contained of the

Pathology ,

Alaska

A.H.D.)

(J.L.B.) and and

1 0, 1 990; herein are Departments

Fern

and

Gastrointestinal

Sts, Washington,

Pathology

(L.H.S.),

accepted the private of the

Navy,

November views Army,

Pathology DC 20306-6000;

Uniformed 5. Address of the authors

(L.H.S.), and

Services reprint and are

the

Armed

Forces

Departments

University requests not to be

ofthe

Instiof Radi-

Health

toJ.L.B. construed

Sdas offi-

or Defense.

293

I

.

:

Polypoid and pseudopolypoid manifestations of inflammatory bowel disease.

The polypoid manifestations of the idiopathic inflammatory bowel diseases (ulcerative colitis and Crohn disease) are often confusing. Inflammatory pol...
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