51. Lichenoid granulomatous dermatitis as a tuberculid in association with spondylitis due to <scp> Mycobacterium tuberculosis </scp>
- Author
-
Sarah Williamson, Jena Auerbach, and Kiran Motaparthi
- Subjects
Adult ,Male ,Pathology ,medicine.medical_specialty ,Lichenoid Eruptions ,Histology ,Tuberculosis ,Adolescent ,education ,Dermatitis ,Dermatology ,Pathology and Forensic Medicine ,Diagnosis, Differential ,Lymphocytic Infiltrate ,Granulomatous inflammation ,Mycobacterium tuberculosis ,030207 dermatology & venereal diseases ,03 medical and health sciences ,0302 clinical medicine ,medicine ,Humans ,Hypersensitivity, Delayed ,Tuberculosis, Cutaneous ,Spondylitis ,Histiocyte ,Granuloma ,biology ,Diagnostic Tests, Routine ,business.industry ,Middle Aged ,medicine.disease ,biology.organism_classification ,Hypersensitivity reaction ,030220 oncology & carcinogenesis ,Female ,Granulomatous Dermatitis ,business - Abstract
Lichenoid granulomatous dermatitis (LGD) is a histopathologic pattern with a band-like lymphocytic infiltrate, typical of lichenoid dermatitis, combined with dermal histiocytes and granulomatous inflammation. Prior reports have described cases of LGD caused by non-tuberculous mycobacteria, with evidence of intralesional acid-fast bacilli or mycobacterial DNA. Herein, we report a patient with pulmonary and extrapulmonary Mycobacterium tuberculosis infection who developed LGD. No evidence of M. tuberculosis was detected within the cutaneous lesions, suggesting a potential delayed-type hypersensitivity reaction to tuberculosis.
- Published
- 2020