Cutaneous Tuberculosis:

Pathology of Lupus Vulgaris

Dr Sampurna Roy MD        

Lupus Vulgaris is a common form of reinfection tuberculosis.

It is caused by Mycobacterium tuberculosis .

Age: Common in young adults.

Site: Head and neck region, extremities and buttock.

Clinical presentation: Usually there are multiple erythematous papules forming a plaque and rarely crusted ulcer formation.

Microscopic features:  There are tuberculoid granulomas with a tendency to confluence, throughout the dermis. Langerhans cells are present in moderate numbers in the granulomas. The overlying epidermis may be atrophic or hyperplastic. 

Lupus vulgaris of external nose--a case report.

Cutaneous tuberculosis of the pinna: a report of two cases.

Lupus vulgaris: difficulties in diagnosis.

Pattern of cutaneous tuberculosis among children and adolescent.

Leprosy mimicry of lupus vulgaris and misdiagnosis of leprosy--a case report.

Multifocal cystic osseous tuberculosis with lupus vulgaris.

Cutaneous tuberculosis in children and adolescents

Lupus vulgaris developing at the site of misdiagnosed scrofuloderma

Lupus vulgaris--a case diagnosed more than 20 years after onset