sarcoma

/sɑ:'koumə/

Thân thiện

A doctor points to a diagram of a sarcoma on a medical chart.

Definition

1. Noun:
   • A usually malignant tumor arising from connective tissue: A sarcoma is a type of cancer that originates in the body's connective tissues, such as bone, cartilage, fat, muscle, or blood vessels. It is one of the four major categories of cancer.

Usage

• The word sarcoma is a medical term used primarily in clinical, pathological, and oncological contexts to classify and discuss a specific class of tumors. It is a countable noun.

Examples

• Noun:
  • The biopsy confirmed the diagnosis of a bone sarcoma.
  • Soft tissue sarcomas can occur in muscles, fat, or nerves.
  • Treatment for sarcoma often involves surgery and radiation.

Advanced Usage

• "Sarcoma" vs. "Carcinoma": While both are malignant tumors, a sarcoma arises from connective tissue (mesenchymal origin), whereas a carcinoma arises from epithelial tissue lining organs.
  • Leiomyosarcoma is a type of sarcoma that develops in smooth muscle, while adenocarcinoma is a carcinoma that forms in glandular tissues.

Variants and Related Words

• Sarcomatous (adj): Pertaining to or resembling a sarcoma.
  • The pathologist identified sarcomatous changes in the tissue sample.

Synonyms

• Malignant connective tissue tumor: A descriptive synonym emphasizing its cancerous nature and tissue of origin.
• Mesenchymal cancer: A technical synonym highlighting its origin from mesenchymal cells.

Related Phrases and Terms

• "Ewing sarcoma": A specific type of bone sarcoma that primarily affects children and young adults.
  • Ewing sarcoma requires aggressive, multi-modal therapy.
• "Kaposi's sarcoma": A type of sarcoma that causes lesions on the skin or mucous membranes, often associated with immunosuppression.
  • Kaposi's sarcoma is an AIDS-defining illness.

Học thuật

Noun

1. a usually malignant tumor arising from connective tissue (bone or muscle etc.); one of the four major types of cancer