tuberculoid
Definition
Adjective: 1. Resembling tuberculosis or its lesions: Pertaining to or having characteristics similar to those of tuberculosis, especially in the formation of granulomatous lesions. 2. Of or relating to a form of leprosy: Specifically refers to a paucibacillary form of leprosy characterized by strong cell-mediated immunity, few bacteria, and well-defined skin lesions.
Usage Examples
- The biopsy revealed a tuberculoid granuloma, prompting tests for mycobacterial infection.
- Tuberculoid leprosy is often characterized by one or a few hypopigmented, anesthetic skin patches.
- The disease process showed a tuberculoid pattern of inflammation under the microscope.
Advanced Usage
- Tuberculoid Granuloma: A specific type of organized collection of immune cells (macrophages, lymphocytes) that resembles the granuloma seen in tuberculosis, often with epithelioid cells and Langhans giant cells.
- Tuberculoid Spectrum: In leprosy classification, this refers to the pole of the disease spectrum where patients exhibit high resistance to the bacillus.
Variants and Related Words
- Tuberculosis (n): The infectious disease caused by , primarily affecting the lungs.
- Tuberculous (adj): Caused by or related to tuberculosis (e.g., tuberculous meningitis).
- Tubercule (n): A small nodular lesion or a small rounded projection, not to be confused with the disease-related term "tubercle" which can refer to a lesion of tuberculosis.
Synonyms
- Granulomatous (in a specific pathological context)
- Lepromatous (antonym: refers to the opposite, multibacillary pole of the leprosy spectrum)
Related Phrases and Terms
- Tuberculoid Leprosy: The clinical form of leprosy characterized by few skin lesions, loss of sensation, and a robust immune response that walls off the bacteria.
- Borderline Tuberculoid (BT): A classification in leprosy for cases that have features of tuberculoid leprosy but are somewhat less distinct, falling between the tuberculoid and borderline categories on the disease spectrum.
Adjective
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resembling tuberculosis
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tuberculoid lesions
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tuberculoid leprosy
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