Cutaneous Tuberculosis- One Diagnosis, a Plethora of Differentials
Published: August 1, 2022 | DOI: https://doi.org/10.7860/JCDR/2022/56272.16740
NR Vignesh, Sivaramakrishnan Sangaiah, Ashok N Kumar, Arisha Salam
1. Assistant Professor, Department of Dermatology, Venereology and Leprosy, Sree Balaji Medical College and Hospital, Chennai, Tamil Nadu, India.
2. Senior Resident, Department of Dermatology, Venereology and Leprosy, Sree Balaji Medical College and Hospital, Chennai, Tamil Nadu, India.
3. Professor, Department of Dermatology, Venereology and Leprosy, Sree Balaji Medical College and Hospital, Chennai, Tamil Nadu, India.
4. Junior Resident, Department of Dermatology, Venereology and Leprosy, Sree Balaji Medical College and Hospital, Chennai, Tamil Nadu, India.
Correspondence
Ashok N Kumar,
Department of DVL, Sree Balaji Medical College and Hospital, #7 CLC Works Road, Shankar Nagar, Chromepet, Chennai-600044, Tamil Nadu, India.
E-mail: drashokkumar25@gmail.com
Cutaneous Tuberculosis (TB) is a chronic bacterial infection. It is difficult to diagnose these lesions since they mimic various other dermatological conditions. Cutaneous tuberculosis has a wide range of variations in morphology, histopathology, immunology and treatment response and a diagnosis of cutaneous tuberculosis is very much common in developing countries like India. Cutaneous tuberculosis can be exogenous; endogenous: caused by contiguity or autoinoculation and by haematogenous spread; induced by the Calmette-Guérin bacillus and manifest as a tuberculoid. The diagnosis of the infection is supported through the direct test, culture, histopathology, tuberculin skin test, polymerase chain reaction, interferon-gamma release assay, and genotyping. Drugs used for treatment comprises of isoniazid, rifampicin, pyrazinamide and ethambutol. The authors hereby present a case series of various types of lupus vulgaris and scrofuloderma that came to Dermatology Outpatient Department with similar findings.
[
FULL TEXT ] | [ PDF]