lupus vulgaris
Học thuậtThân thiện
Definition
Noun: * A chronic, progressive form of cutaneous tuberculosis: "lupus vulgaris" is a specific infectious skin disease caused by the bacterium Mycobacterium tuberculosis. It is characterized by the slow development of reddish-brown nodules or plaques, primarily on the face, which can lead to significant tissue destruction and scarring.
Usage Examples
- Noun:
- The patient was diagnosed with lupus vulgaris after a skin biopsy confirmed the presence of the tuberculosis bacteria.
- Before effective antibiotics, lupus vulgaris often caused severe facial disfigurement.
- The lesions of lupus vulgaris typically exhibit an "apple jelly" color when pressed with a glass slide.
Advanced Usage
- Medical Classification: The term is used in medical history and dermatology to describe this classic, though now rare in developed countries, manifestation of tuberculosis.
- In the 19th century, lupus vulgaris was a common subject of study for dermatologists.
Variants and Related Words
- Cutaneous tuberculosis (n): The broader category of skin infections caused by , which includes lupus vulgaris as one type.
- Tuberculous lupus (n): An alternative name for the same condition.
Synonyms
- Tuberculosis of the skin: A direct descriptive synonym.
- Tuberculous dermatosis: A more general medical term for skin conditions caused by tuberculosis.
Noun
- tuberculosis of the skin; appears first on the face and heals slowly leaving deep scars