pleomorphic rhabdomyosarcoma
Noun: A specific, aggressive form of cancer (rhabdomyosarcoma) characterized by the presence of cells with varied and irregular shapes and sizes (pleomorphic). This type primarily affects the skeletal muscles of the limbs in older adults.
This is a highly specialized medical term. It is used in clinical, pathological, and oncological contexts to describe and diagnose a specific sarcoma subtype. * The biopsy confirmed a diagnosis of pleomorphic rhabdomyosarcoma. * Pleomorphic rhabdomyosarcoma is distinguished from other rhabdomyosarcoma subtypes by its cellular appearance and patient age group.
- The term is often used in differential diagnosis, as in: "The main pathological considerations include undifferentiated pleomorphic sarcoma and pleomorphic rhabdomyosarcoma."
- It can be modified to specify location or stage: "a high-grade pleomorphic rhabdomyosarcoma of the thigh."
- Rhabdomyosarcoma (n): The broader category of soft tissue cancers from which pleomorphic rhabdomyosarcoma is a subtype.
- Pleomorphic (adj): Describing cells or nuclei that vary in shape and size; a key diagnostic feature.
- Sarcoma (n): A general term for cancers arising from connective tissues like bone, muscle, or fat.
- Pleomorphic RMS: A common abbreviation used in medical notes and literature.
- Adult-type pleomorphic rhabdomyosarcoma: A more descriptive synonym emphasizing the typical patient demographic.
This term has a single, precise meaning in medical oncology and pathology. It does not have general or figurative uses outside this specialized field.
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form of rhabdomyosarcoma that affects limb muscles of older adults
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