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embryonal rhabdomyosarcoma

   Also found in: Dictionary/thesaurus, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
rhabdomyosarcoma /rhab·do·myo·sar·co·ma/ (mi″o-sahr-ko´mah) a highly malignant tumor of striated muscle derived from primitive mesenchymal cells.
alveolar rhabdomyosarcoma  a type having dense proliferations of small round cells among fibrous septa that form alveoli, seen mainly in adolescents and young adults.
embryonal rhabdomyosarcoma  a type having alternating loosely cellular areas with myxoid stroma and densely cellular areas with spindle cells, seen mainly in infants and small children.
pleomorphic rhabdomyosarcoma  a type having large cells with bizarre hyperchromatic nuclei, seen in the skeletal muscles, usually in the limbs of adults.

embryonal rhabdomyosarcoma
n.
A form of rhabdomyosarcoma occurring in infants and children and characterized by the occurrence of malignant tumors of loose, spindle-celled tissue throughout the body.


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Matthew was diagnosed with pelvic embryonal rhabdomyosarcoma (soft tissue cancer located in the pelvis) on May 6, 2005, after weeks of being ill with severe constipation and spent the next 11 weeks in hospital.
Abstract We present a case of parameningeal embryonal rhabdomyosarcoma with the primary lesion arising in the middle and inner ear, with associated diffuse skeletal metastases and metastatic calcifications.
3) Although alveolar histology has more often been reported in extremity tumors, (4) in this case, histopathologic examination revealed embryonal rhabdomyosarcoma in the present case.
 
 
 
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