embryonal carcinosarcoma

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embryonal carcinosarcoma

A pathologist examines a slide of embryonal carcinosarcoma under a microscope.

Definition
  1. Noun:
    • A type of malignant tumor: "embryonal carcinosarcoma" is a medical term for a rare, aggressive cancer composed of immature, undifferentiated cells. It is a specific subtype of sarcoma, a cancer arising from connective tissues like bone or muscle.
Usage Examples
  • Noun:
    • The biopsy results confirmed the diagnosis of embryonal carcinosarcoma.
    • Treatment for embryonal carcinosarcoma often involves a combination of surgery and chemotherapy.
Advanced Usage
  • Clinical Context: The term is used almost exclusively in specialized medical, pathological, and oncological contexts to describe a specific histological diagnosis.
    • The pathologist identified the specimen as an embryonal carcinosarcoma based on its primitive cellular appearance.
Variants and Related Words
  • Wilms' tumor (Nephroblastoma): A related embryonal tumor of the kidney that occurs primarily in children. In some historical or specific contexts, "embryonal carcinosarcoma" has been used to describe certain aggressive forms of renal tumors in adults, but it is now considered a distinct entity from pediatric Wilms' tumor.
  • Sarcoma (n): The broader category of cancers of connective tissues (bone, cartilage, fat, muscle) to which embryonal carcinosarcoma belongs.
  • Carcinosarcoma (n): A rare tumor containing both carcinomatous (epithelial) and sarcomatous (connective tissue) elements; embryonal carcinosarcoma is a subtype.
Synonyms
  • Malignant embryonal tumor
  • Primitive undifferentiated sarcoma (descriptive synonym)
Related Terms (Medical Terminology)
  • Undifferentiated (adj): Refers to cells that are immature and have not developed into a specific cell type, a key characteristic of this tumor.
  • Blastema (n): The mass of undifferentiated cells from which this and other embryonal tumors are thought to arise.
embryonal carcinosarcoma

A pathologist examines a slide of embryonal carcinosarcoma under a microscope.

Noun
  1. a tumor composed of immature undifferentiated cells

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