Retroperitoneal fibrosis mimicking benign disease - a paraneoplastic clue to small bowel adenocarcinoma: A case report

doi:10.12998/wjcc.v14.i12.119292

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World Journal of Clinical Cases

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2307-8960

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

Case Report

Copyright: ©Author(s) 2026. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution-NonCommercial (CC BY-NC 4.0) license. No commercial re-use. See permissions. Published by Baishideng Publishing Group Inc.

World J Clin Cases. Apr 26, 2026; 14(12): 119292
Published online Apr 26, 2026. doi: 10.12998/wjcc.v14.i12.119292

Table 1 Trend of inpatient labs

CMP	Admission	Day 2	Day 3	Day 4	Day 5	Day 6
BUN	20	17	14	15	14	16
Creatinine	1.26	1.2	1.42	1.46	1.38	1.24
eGFR	59	48	39	38	40	46
CBC
Hemoglobin	11.1	10	9.7	10	9.9	11.3
Hematocrit	33.4	31	30.3	30.1	31.2	36
WBC	14.42	13.84	8.29	8.15	5.93	6.48
Platelets	433	427	386	423	423	466
Immunoglobulins
IgG		407
IgG class 1		196.5
IgG class 2		131.8
IgG class 3		40.4
IgG class 4		9.4

BUN: Blood urea nitrogen; eGFR: Estimated glomerular filtration rate; CBC: Blood cell count; WBC: White blood cell; IgG: Immunoglobulin.

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Citation: Arora K, Tipmongkol S, Goyal MK, Matt-Amaral L. Retroperitoneal fibrosis mimicking benign disease - a paraneoplastic clue to small bowel adenocarcinoma: A case report. World J Clin Cases 2026; 14(12): 119292
URL: https://www.wjgnet.com/2307-8960/full/v14/i12/119292.htm
DOI: https://dx.doi.org/10.12998/wjcc.v14.i12.119292

Arora K, Tipmongkol S, Goyal MK, Matt-Amaral L. Retroperitoneal fibrosis mimicking benign disease - a paraneoplastic clue to small bowel adenocarcinoma: A case report. World J Clin Cases 2026; 14(12): 119292 [DOI: 10.12998/wjcc.v14.i12.119292]

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