dermoid cyst
Học thuậtThân thiện
Definition
Noun: A dermoid cyst is a type of cystic tumor, typically non-cancerous (benign). It is characterized by a wall lined with epithelial tissue (skin-like tissue) and a cavity that can contain various other materials, such as hair, teeth, skin glands, or fatty tissue.
Usage
The term is used in medical contexts to describe a specific kind of congenital or developmental cyst. * The ultrasound revealed a dermoid cyst on her ovary. * Dermoid cysts are often present from birth but may not be discovered until later in life. * Surgical removal is the standard treatment for a symptomatic dermoid cyst.
Advanced Usage
- Pathology: In pathology, a dermoid cyst is classified as a type of teratoma, specifically a mature cystic teratoma, containing well-differentiated tissues derived from more than one embryonic germ layer (ectoderm and often mesoderm).
- The pathology report confirmed the mass was a benign dermoid cyst containing sebaceous material and hair follicles.
Variants and Related Words
- Mature cystic teratoma: This is a more precise clinical and pathological synonym for an ovarian dermoid cyst.
- Cyst: A general term for a closed sac-like structure.
- Teratoma: A broader category of tumors that may contain several different types of tissue, of which a dermoid cyst is a common, well-differentiated form.
Synonyms
- Benign cystic teratoma
- Mature cystic teratoma (specific to ovarian locations)
Related Phrases
- To excise a dermoid cyst: This is the standard medical phrase for its surgical removal.
- The surgeon will excise the dermoid cyst laparoscopically.
Noun
- a cystic tumor (usually benign) with a wall lined with epithelium and a cavity containing other material