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CASE REPORT
Year : 2016  |  Volume : 7  |  Issue : 2  |  Page : 70-75

Aleukemic granulocytic sarcoma and leukemia cutis: A report of two rare cases and review of literature


1 Department of Medical and Pediatric Oncology, Gujarat Cancer Research Institute, Ahmedabad, Gujarat, India
2 Department of Immunohistochemistry and Flow Cytometry, Gujarat Cancer Research Institute, Ahmedabad, Gujarat, India
3 Department of Pathology, Gujarat Cancer Research Institute, Ahmedabad, Gujarat, India

Correspondence Address:
Asha S Anand
Department of Medical and Pediatric Oncology, Gujarat Cancer Research Institute, Ahmedabad, Gujarat
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/1658-5127.186327

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Granulocytic sarcoma (GS), also called myeloid sarcoma is an extramedullary tumor of the immature granulocytic cells. It is a rare entity and mostly accompanied by acute myeloid leukemia (AML). Very rarely, it is detected before clinical signs of leukemia or other diseases. When the bone marrow biopsy reveals no other hematologic malignancies, the GS is described as aleukemic, primary or isolated. Here, we report two rare cases, one of which presented as aleukemic GS of lymph nodes with aleukemic leukemia cutis, and the other with aleukemic GS of lung. Both cases posed diagnostic dilemma in view of their atypical presentations and site of involvement. Final diagnosis was made by immunohistochemistry (IHC). Both patients were treated with standard induction chemotherapy for AML. One patient had relapsed on treatment and was further treated with only 6-thioguanine leading to complete remission. Our cases emphasize the importance of early suspicion and use of IHC in diagnosis of aleukemic GS and also potential role of oral thioguanine alone in relapsed cases not eligible for hematopoietic stem cell transplant.


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