Appendix Open Access
Copyright ©The Author(s) 2009. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Gastrointest Oncol. Oct 15, 2009; 1(1): 99-102
Published online Oct 15, 2009. doi: 10.4251/wjgo.v1.i1.99
Instructions to authors
Received: February 3, 2009
Revised: April 18, 2009
Accepted: April 25, 2009
Published online: October 15, 2009

Abstract

Amyloidosis is commonly systemic, occasionally organ-limited, and rarely a solitary localized mass. The latter, commonly referred to as tumoral amyloidosis, is described as occurring in nearly every organ/tissue. Only a few reports of gastric amyloidosis exist today. We describe a 72 year-old black male from Barbados presenting with 3 d of diffuse abdominal pain. His medical history included Non-Hodgkin’s Lymphoma diagnosed five years ago, status-post six rounds of cyclophosphamide, adriamycin, vincristine, prednisone chemotherapy, and currently was in remission. On computed tomography scan of the abdomen, thickening and calcification of the gastric wall was noted along with pneumatosis. On esophagogastroduodenoscopy, a large circumferential friable mass was seen from the gastroesophageal junction to the body. A large non-bleeding 3 cm polyp was also seen in post bulbar area of duodenum. Biopsies were stained with Congo red and gave green birefringence under polarized light, consistent with tumoral amyloidosis. Positron emission tomography scan revealed diffuse gastric mucosa uptake compatible with gastric malignancy without metastatic foci. Treatment for gastric amyloidomas has presently been one of observation or, at most, resection of the amyloid mass. It is not known if our patient required the same approach or if this warranted the re-institution of chemotherapy for Non-Hodgkin’s Lymphoma. Until more reports of tumoral amyloidosis are made known, treatment as well as prognosis remain uncertain.

Key Words: Amyloidoma, Non-Hodgkin, Lymphoma, Stomach, Duodenum



INTRODUCTION

In 1842, Rokitansky described a disease phenomenon known today as amyloidosis[1]. Amyloidosis has been classified as primary or secondary, being predisposed by infection, inflammation, or systemic disease. It is a process involving the deposition of proteinaceous fibrillar material in a pattern that is typically systemic, occasionally organ-limited, and very rarely as solitary localized mass. The latter, commonly referred to as tumoral amyloidosis, can often masquerade as a neoplasm and has been reported to have occurred in nearly every organ or tissue including the brain, stomach, esophagus, jejunum, heart, cervical spine, thoracic spine, urethra, bladder, popliteal fossa, as a nodule on a lower extremity, breast, parotid gland, and submandibular gland[2].

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REFERADRRNCE
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1 Jung EM, Clevert DA, Schreyer AG, Schmitt S, Rennert J, Kubale R, Feuerbach S, Jung F. Evaluation of quantitative contrast harmonic imaging to assess malignancy of liver tumors: A prospective controlled two-center study. World J Gastroenterol 2007; 13: 6356-6364 [PMID: 18081224 DOI: 10.3748/wjg.13.6356]

Chinese journal article (list all authors and include the PMID where applicable)

2 Lin GZ, Wang XZ, Wang P, Lin J, Yang FD. Immunologic effect of Jianpi Yishen decoction in treatment of Pixu-diarrhoea. Shijie Huaren Xiaohua Zazhi 1999; 7: 285-287

In press

3 Tian D, Araki H, Stahl E, Bergelson J, Kreitman M. Signature of balancing selection in Arabidopsis. Proc Natl Acad Sci USA 2006; In press

Organization as author

4 Diabetes Prevention Program Research Group. Hypertension, insulin, and proinsulin in participants with impaired glucose tolerance. Hypertension 2002; 40: 679-686 [PMID: 12411462 PMCID:2516377 DOI:10.1161/01.HYP.0000035706.28494.09]

Both personal authors and an organization as author

5 Vallancien G, Emberton M, Harving N, van Moorselaar RJ; Alf-One Study Group. Sexual dysfunction in 1, 274 European men suffering from lower urinary tract symptoms. J Urol 2003; 169: 2257-2261 [PMID: 12771764 DOI:10.1097/01.ju.0000067940.76090.73]

No author given

6 21st century heart solution may have a sting in the tail. BMJ 2002; 325: 184 [PMID: 12142303 DOI:10.1136/bmj.325.7357.184]

Volume with supplement

7 Geraud G, Spierings EL, Keywood C. Tolerability and safety of frovatriptan with short- and long-term use for treatment of migraine and in comparison with sumatriptan. Headache 2002; 42 Suppl 2: S93-99 [PMID: 12028325 DOI:10.1046/j.1526-4610.42.s2.7.x]

Issue with no volume

8 Banit DM, Kaufer H, Hartford JM. Intraoperative frozen section analysis in revision total joint arthroplasty. Clin Orthop Relat Res 2002; (401): 230-238 [PMID: 12151900 DOI:10.1097/00003086-200208000-00026]

No volume or issue

9 Outreach: Bringing HIV-positive individuals into care. HRSA Careaction 2002; 1-6 [PMID: 12154804]

Books

Personal author(s)

10 Sherlock S, Dooley J. Diseases of the liver and billiary system. 9th ed. Oxford: Blackwell Sci Pub, 1993: 258-296

Chapter in a book (list all authors)

11 Lam SK. Academic investigator’s perspectives of medical treatment for peptic ulcer. In: Swabb EA, Azabo S. Ulcer disease: investigation and basis for therapy. New York: Marcel Dekker, 1991: 431-450

Author(s) and editor(s)

12 Breedlove GK, Schorfheide AM. Adolescent pregnancy. 2nd ed. Wieczorek RR, editor. White Plains (NY): March of Dimes Education Services, 2001: 20-34

Conference proceedings

13 Harnden P, Joffe JK, Jones WG, editors. Germ cell tumours V. Proceedings of the 5th Germ cell tumours Conference; 2001 Sep 13-15; Leeds, UK. New York: Springer, 2002: 30-56

Conference paper

14 Christensen S, Oppacher F. An analysis of Koza’s computational effort statistic for genetic programming. In: Foster JA, Lutton E, Miller J, Ryan C, Tettamanzi AG, editors. Genetic programming. EuroGP 2002: Proceedings of the 5th European Conference on Genetic Programming; 2002 Apr 3-5; Kinsdale, Ireland. Berlin: Springer, 2002: 182-191

Electronic journal (list all authors)

15 Morse SS. Factors in the emergence of infectious diseases. Emerg Infect Dis serial online, 1995-01-03, cited 1996-06-05; 1(1): 24 screens. Available from: URL: http//http://www.cdc.gov/ncidod/eid/eid.htm

Patent (list all authors)

16 Pagedas AC, inventor; Ancel Surgical R&D Inc., assignee. Flexible endoscopic grasping and cutting device and positioning tool assembly. United States patent US 20020103498. 2002 Aug 1

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Footnotes

Peer reviewer: Henry Thomson Lynch, MD, Department of Preventive Medicine, Creighton University School of Medicine, 2500 California Plaza, Omaha, NE 68178, United States

S- Editor Li LF E- Editor Lin YP

References
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