Seven cases of granulocytic sarcoma (GS) with different clinical presentations are reported. Granulocytic sarcoma is diagnosed by tumor biopsy. The antilysozyme immunoperoxidase technique and the ASD chloroacetate esterase staining are used to confirm the diagnosis. The recent development of immunohistological staining, for demonstration of intra-cellular or surface antigens, is also useful to recognize GS. The prognostic significance of GS is discussed. For isolated GS, early aggressive treatment with chemotherapy and local radiotherapy is proposed.
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http://dx.doi.org/10.1080/17843286.1989.11718011 | DOI Listing |
Cell Commun Signal
January 2025
Department of Musculoskeletal Tumor, Peking University People's Hospital, No. 11 Xizhimen South Street, Beijing, 100044, China.
Background: Ewing's sarcoma (EwS), a common pediatric bone cancer, is associated with poor survival due to a lack of therapeutic targets for immunotherapy or targeted therapy. Therefore, more effective treatment options are urgently needed.
Methods: Since novel immunotherapies may address this need, we performed an integrative analysis involving single-cell RNA sequencing, cell function experiments, and humanized models to dissect the immunoregulatory interactions in EwS and identify strategies for optimizing immunotherapeutic efficacy.
Cureus
December 2024
Radiology, Tata Main Hospital, Jamshedpur, IND.
We report a 37-year-old male patient who had nonbilious vomiting, no passage of flatus, and recurring abdominal pain. This patient had de novo intestinal myeloid sarcoma (MS), a rare and chameleonic presentation of acute leukemia of myeloid origin. The initial diagnostic evaluation suggested Koch's abdomen, and surgical excision of the bowel was performed with a clinical suspicion of Koch's or lymphoma.
View Article and Find Full Text PDFJ Orthop Res
January 2025
Department of East Hospital Orthopaedic Trauma, Zibo Central Hospital, Zibo, China.
Ewing sarcoma (ES) is a malignant bone tumor prevalent among children and adolescents. Disulfidptosis represents a novel form of cell death; however, the mechanism of disulfidptosis in ES remains unclear. Our aim is to explore the disulfidptosis-related prognostic signature in ES.
View Article and Find Full Text PDFAnn Hematol
January 2025
Department of Biomedicine and Prevention, University Tor Vergata, Rome, Italy.
Myeloid sarcoma (MS) is an extramedullary localization of immature granulocyte cells that can occur in association with acute myeloid leukemia (AML). Gastrointestinal involvement is relatively common in MS, but exclusive colonic localization is a rare occurrence. Here, we report on a 53-year-old male patient affected by AML developing a severe abdominal pain caused by intestinal perforation requiring surgical intervention.
View Article and Find Full Text PDFCytometry B Clin Cytom
December 2024
Department of Hematology, Postgraduate Institute of Medical Education and Research, Chandigarh, India.
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