malignant tumor

Thân thiện

A doctor points to a malignant tumor on a medical scan.

Definition

1. Noun:
   • A harmful, cancerous growth: A "malignant tumor" is an abnormal mass of tissue that is cancerous. Its cells grow uncontrollably, invade surrounding healthy tissues, and can spread (metastasize) to other parts of the body through the bloodstream or lymphatic system. This distinguishes it from a benign tumor, which does not invade or spread.

Usage Examples

• Noun:
  • The biopsy confirmed it was a malignant tumor.
  • Early detection of a malignant tumor significantly improves treatment outcomes.
  • Surgery aimed to remove the entire malignant tumor.

Advanced Usage

• Medical/Oncology Context: The term is primarily used in medical, pathological, and oncological contexts to describe the nature of a neoplasm.
  • The pathology report classified the lesion as a malignant tumor of epithelial origin.
• Figurative Use (Rare): Occasionally used metaphorically to describe a problem that grows and spreads destructively.
  • Corruption acted as a malignant tumor within the organization.

Variants and Related Words

• Malignancy (n): The state or quality of being malignant; often used synonymously with "malignant tumor" or "cancer."
  • The scan revealed a new malignancy in the liver.
• Carcinoma (n): A type of malignant tumor that originates in epithelial tissue.
• Sarcoma (n): A type of malignant tumor that originates in connective tissue (e.g., bone, muscle).
• Metastasis (n): The process by which a malignant tumor spreads to a distant site.

Synonyms

• Cancer: A general term for diseases characterized by malignant tumors.
• Malignant neoplasm: A more formal medical synonym.
• Malignancy: Often used interchangeably in medical contexts.

Antonyms

• Benign tumor: A non-cancerous growth that does not invade nearby tissue or spread.

Related Phrases

• Primary malignant tumor: The original site where the cancer began.
  • The primary malignant tumor was in the colon.
• Metastatic malignant tumor: A tumor that has spread from its original site to another part of the body.
  • The brain scan showed a metastatic malignant tumor.

Học thuật

Noun

1. a tumor that is malignant and tends to spread to other parts of the body

Từ đồng nghĩa

• malignant neoplasm
• metastatic tumor