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Granulocytic Sarcoma of the Stomach Presenting as Dysphagia during Pregnancy.
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PMID:  22606423     Owner:  NLM     Status:  In-Data-Review    
Granulocytic sarcoma also known as extramedullary myeloid sarcoma or chloroma is an uncommon manifestation of leukemia and presents as a deposit of leukemic cells outside the bone marrow. We report a case of a twenty-five-year-old pregnant woman who presented with progressive dysphagia and recurrent postprandial vomiting. Upper GI endoscopy had shown large flat laterally spread nodular lesions in the cardia and proximal body of stomach. Biopsies from the gastric lesion showed granulocytic sarcoma of the stomach. Concurrent peripheral and bone marrow picture was suggestive of acute myeloid leukemia (AML-M4). There is limited reported literature on granulocytic sarcoma of the stomach. Concurrent gastric granulocytic sarcoma involving cardia and AML in pregnancy has not been reported till date.
Anuradha Sekaran; Santosh Darisetty; Sandeep Lakhtakia; Mohan Ramchandani; Duvuru Nageshwar Reddy
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Publication Detail:
Type:  Journal Article     Date:  2011-10-20
Journal Detail:
Title:  Case reports in gastrointestinal medicine     Volume:  2011     ISSN:  2090-6536     ISO Abbreviation:  Case Rep Gastrointest Med     Publication Date:  2011  
Date Detail:
Created Date:  2012-05-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101580185     Medline TA:  Case Rep Gastrointest Med     Country:  United States    
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Languages:  eng     Pagination:  627549     Citation Subset:  -    
Department of Pathology Asian Institute of Gastroenterology, 6-3-661 Somajiguda, Hyderabad 500 082, India.
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Journal Information
Journal ID (nlm-ta): Case Rep Gastrointest Med
Journal ID (iso-abbrev): Case Rep Gastrointest Med
Journal ID (publisher-id): CRIM.GM
ISSN: 2090-6528
ISSN: 2090-6536
Publisher: Hindawi Publishing Corporation
Article Information
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Copyright © 2011 Anuradha Sekaran et al.
Received Day: 28 Month: 7 Year: 2011
Accepted Day: 16 Month: 8 Year: 2011
Print publication date: Year: 2011
Electronic publication date: Day: 20 Month: 10 Year: 2011
Volume: 2011E-location ID: 627549
ID: 3350040
PubMed Id: 22606423
DOI: 10.1155/2011/627549

Granulocytic Sarcoma of the Stomach Presenting as Dysphagia during Pregnancy
Anuradha Sekaran1*
Santosh Darisetty2
Sandeep Lakhtakia3
Mohan Ramchandani3
Duvuru Nageshwar Reddy3
1Department of Pathology Asian Institute of Gastroenterology, 6-3-661 Somajiguda, Hyderabad 500 082, India
2Department of Anesthesiology Asian Institute of Gastroenterology, 6-3-661 Somajiguda, Hyderabad 500 082, India
3Department of Medical Gastroenterology Asian Institute of Gastroenterology, 6-3-661 Somajiguda, Hyderabad 500 082, India
Correspondence: *Anuradha Sekaran:
[other] Academic Editors: D. A. Edelman, F. Izbeki, G. Kouraklis, and H. Sugimura

1. Introduction

Granulocytic sarcoma also known as chloroma or extramedullary myeloid tumor is a collection of leukemic cells outside the bone marrow. These tumors occur in 3–8% of acute nonlymphoid leukemia. The common sites affected by it are skin, lymph nodes, central nervous system, and reproductive organs. Involvement of gastrointestinal tract is relatively rare with small bowel being the commonest site.

We report a case of gastric myeloid sarcoma in a young female at 17 weeks of gestation presenting with dysphagia, epigastric pain, and vomiting.

2. Case Report

A 25-year-old woman with 17 weeks of gestation (G3P2) presented with progressive dysphagia, epigastric discomfort, persistent postprandial vomiting, and weight loss for one month. Initial investigations were within normal limits. Upper GI endoscopy showed thickened nodular friable mucosa at cardia of stomach extending into the posterior wall (Figure 1). Multiple deep biopsies from gastric cardia showed normal mucosal glands with expansion of lamina propria by infiltrates of atypical cells, intermixed with granulocytic precursor cells (Figure 2). Immunohistochemistry panel showed that the cells were negative for CD20, CD5, CD3, CD10, and cytokeratin markers, with intense positivity for immature myeloid markers (myeloperoxidase, CD34, and CD117) (Figure 3), consistent with granulocytic sarcoma of the stomach. A week later she developed fever with WBC count of 34,800 cells per cu mm. A bone marrow biopsy (Figure 4) and flow cytometry analysis showed features consistent with acute myeloid leukemia (AML-M4) with blast count of 77%. Pregnancy was terminated.

3. Discussion

Granulocytic sarcoma is a rare malignant solid tumor composed of primitive precursors of the granulocytes deposited outside the bone marrow. It was called “chloroma” due to its green color. Rappaport renamed it “granulocytic sarcoma” because the color varied depending on the concentration of the pigmented enzyme (myeloperoxidase). It is more common in children than adults and often occurs concurrently with AML. They rarely present with relapse of leukemia, in blast crisis of myeloproliferative disorder, as leukemic transformation in myelodysplastic syndrome [1]. Granulocytic sarcoma in the Gastrointestinal (GI) tract arises from nests of hematopoietic cells [2]. The commonest site of involvement is small bowel [3] followed by colon, appendix, biliary tract, and stomach [4].

The endoscopy findings can vary from normal to mucosal nodularity or mass lesions. It may precede hematologic leukemia by months or years [5]. Tissue biopsies, bone marrow biopsy, immunohistochemistry, and cytogenetics assist to diagnose chloroma. It is common in patients with M2, M4, or M5 class of French-American British (FAB) classification.

Systemic intensive chemotherapy is the first line of treatment [6]. Our patient is taking chemotherapy and is doing well on followup. This subject was different from other reported cases of gastric chloroma. She presented with dysphagia in pregnancy and the diagnosis of gastric chloroma preceded the detection of AML involving peripheral blood and bone marrow. To our knowledge, this is the first case of the AML presenting as sarcoma of stomach in pregnancy. Involvement of cardia of stomach has also not been reported earlier.

Conflict of Interests

The authors declare that they have no competing interests or financial gain.

AML: Acute Myeloid Leukemia
FAB: French-American-British
GIT: Gastrointestinal Tract

1. Muss HB,Moloney WC. Chloroma and other myeloblastic tumorsBloodYear: 19734257217284518064
2. Oliva E,Ferry JA,Young RH,Prat J,Srigley JR,Scully RE. Granulocytic sarcoma of the female genital tract: a clinicopathologic study of 11 casesAmerican Journal of Surgical PathologyYear: 19972110115611659331287
3. Lee SY,Park SJ,Kim YH,Lee JH. Nonleukemic granulocytic sarcoma presenting as intussusception of small bowelInternational Journal of Clinical OncologyYear: 200813546747018946761
4. Wang WL,Lin JT,Wang HP. Myeloid sarcoma of the stomachGastrointestinal EndoscopyYear: 20086861193119419028230
5. Toki H,Okabe K,Kimura Y,et al. Granulocytic sarcoma of the intestine as a primary manifestation nine months prior to overt acute myelogenous leukemiaJapanese Journal of Clinical OncologyYear: 198717179853470535
6. Kitagawa Y,Sameshima Y,Shiozaki H,et al. Isolated granulocytic sarcoma of the small intestine successfully treated with chemotherapy and bone marrow transplantationInternational Journal of HematologyYear: 200887441041318365139

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