The World Heath Organization (WHO) developed criteria for the diagnosis of mast cell tumors (mastocytoma).
(1) cutaneous mastocytoma (solitary mastocytoma of skin)
(2) extracutaneous mastocytoma
(3) mast cell sarcoma
(1) unifocal tumor of mast cells
(2) does not meet the criteria for systemic mastocytosis
Mast Cell Sarcoma
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Specialty: Hematology Oncology, Clinical Laboratory