Definition

Noun: - A form of leprosy: A chronic infectious disease caused by Mycobacterium leprae, characterized by the presence of well-defined, hypopigmented skin lesions with diminished sensation and involvement of peripheral nerves. This form is characterized by a strong cell-mediated immune response, making it less severe and less contagious than other forms.

Usage

• Medical Diagnosis: Used to classify and describe a specific clinical and immunological type of leprosy.
  • The patient was diagnosed with tuberculoid leprosy after a skin biopsy.
  • Unlike lepromatous leprosy, tuberculoid leprosy typically presents with few, well-defined skin lesions.

Advanced Usage

• In Medical Literature: The term is used in contrast to "lepromatous leprosy" within the Ridley-Jopling classification system for Hansen's disease.
  • The study compared nerve damage progression in tuberculoid leprosy versus borderline cases.

Variants and Related Words

• Tuberculoid (adj): Pertaining to or resembling the characteristics of this form of leprosy.
  • The biopsy showed a tuberculoid granulomatous reaction.
• Paucibacillary Leprosy: A related clinical classification indicating a low bacterial load, which often corresponds to the tuberculoid form.
• Hansen's Disease: The preferred modern term for leprosy, of which tuberculoid leprosy is a type.

Synonyms

• Paucibacillary Hansen's Disease: Emphasizes the low number of bacteria found.
• TT (Tuberculoid Tuberculoid): A specific classification within the Ridley-Jopling spectrum.

Related Terms (Not Synonyms)

• Lepromatous Leprosy: The opposite pole of the disease spectrum, characterized by a weak immune response, numerous bacteria, and widespread skin lesions.
• Borderline Leprosy: Intermediate forms that fall between the tuberculoid and lepromatous poles.

Noun

1. leprosy characterized by tumors in the skin and cutaneous nerves