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Small Intestinal Obstruction with Intussusception due to Acute Myeloid Leukemia: A Case Report
Sangeeta Kini1, Anjali Amarapurkar, Meenaskshi Balasubramanian
1Department of Pathology, BYL Nair Ch. Hospital, Mumbai 400008, India.
Abstract:
Myeloid sarcoma is known to precede the development of acute myeloid leukemia (AML) and can be the only clinical manifestation. Gastrointestinal involvement by AML is rare with the commonest site being small intestine. Patients present with vague abdominal pain and/or obstruction. Prognosis is usually poor as most of them rapidly progress to AML. We report a case of 25-year-old man with complaints of abdominal pain and vomiting of one-year duration. OGD scopy revealed infiltration of lesser curvature of stomach. Subsequently patient came back within a week with signs and symptoms of acute intestinal obstruction for which an ileal resection was done. Although the histology of stomach biopsy and ileal segments showing similar features were thought to be non-Hodgkin's lymphoma, immunohistochemistry confirmed the diagnosis of myeloid sarcoma. Bone marrow investigations confirmed involvement by AML. Patient succumbed to the disease due to extensive involvement of AML. This case highlights the primary gastrointestinal manifestation of AML which can often prove to be a diagnostic difficulty clinically and histologically. Prompt diagnosis is essential to hasten the management.
Insights
Myeloid sarcoma, a rare gastrointestinal manifestation of acute myeloid leukemia (AML), can present as the sole initial symptom. This case underscores the diagnostic challenges and critical need for prompt identification of this aggressive disease.
Area of Science:
- Oncology
- Hematology
Background:
- Myeloid sarcoma can precede acute myeloid leukemia (AML) and may be its only initial presentation.
- Gastrointestinal involvement by AML is uncommon, typically affecting the small intestine and presenting with vague abdominal pain or obstruction.
Purpose of the Study:
- To report a challenging case of primary gastrointestinal myeloid sarcoma.
- To emphasize the diagnostic difficulties and the importance of prompt management.
Main Methods:
- Case report of a 25-year-old male with prolonged abdominal pain and vomiting.
- Diagnostic procedures included esophagogastroduodenoscopy (OGD) with biopsy, ileal resection, histology, immunohistochemistry, and bone marrow examination.
Main Results:
- Initial OGD revealed gastric infiltration; subsequent ileal resection was performed for acute intestinal obstruction.
- Histology initially suggested non-Hodgkin's lymphoma, but immunohistochemistry confirmed myeloid sarcoma.
- Bone marrow investigations confirmed concurrent AML, and the patient ultimately succumbed to the disease.
Conclusions:
- Primary gastrointestinal manifestation of AML, such as myeloid sarcoma, poses significant diagnostic challenges.
- Early and accurate diagnosis through immunohistochemistry and bone marrow assessment is crucial for timely intervention and management.
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