Myeloid sarcoma of the orbit

Low-grade myofibroblastic sarcoma of the orbit

Rationale: Low-grade myofibroblastic sarcoma (LGMS) is a malignant lesion composed of myofibroblasts. It is an uncommon tumor of unknown etiology that mainly develops in the bone or soft tissue and is most often reported in the head and neck, particularly in the tongue and oral cavity. Patient concerns: A 2-year-old girl, previously well and with no significant medical history or family history...

Myeloid Sarcoma

Primary Synovial Sarcoma of the Orbit

Synovial sarcoma is a rare malignant neoplasm that accounts for approximately 6% to 9% of all soft-tissue tumors. It occurs predominately in upper and lower extremities of young adults. We report the first case of a primary orbital synovial sarcoma in an 18-month-old girl.

Myeloid sarcoma: extramedullary manifestation of myeloid disorders.

Myeloid sarcoma (MS), also termed extramedullary acute myeloid leukemia, extramedullary myeloid tumor, and granulocytic sarcoma or chloroma, is a rare manifestation that is characterized by the occurrence of 1 or more tumor myeloid masses occurring at an extramedullary site. The wide spectrum of this disorder and the conditions that it overlaps diagnostically were well reflected in the 25 cases...

Myeloid sarcoma involving the breast.

Myeloid sarcoma is a tumor mass with extramedullary growth pattern, composed of myeloblasts or immature myeloid cells. The development of myeloid sarcoma may precede or concur with acute or chronic myeloid leukemia (AML or CML) or other myeloproliferative diseases or myelodysplastic syndromes (MDS). Isolated myeloid sarcoma of the breast is very rare. A case is presented of a 25-year-old, previ...