Cell mediated immunity is markedly depressed in
Correct Answer: Lepromatous leprosy
Description: (B) Lepromatous leprosy# In untreated LL patients, lymphocytes regularly fail to recognize either M. leprae or its protein constituents, and lepromin skin tests are negative.> This loss of protective cellular immunity appears to be antigen-specific, as patients are not unusually susceptible to opportunistic infections, cancer, or AIDS and maintain delayed-type hypersensitivity to Candida, Trichophyton, mumps, tetanus toxoid, and even purified protein derivative of tuberculin.> Lepromatous leprosy, has the greatest number of bacilli and is characterized by early, widespread, ill-defined, erythematous or hypopigmented papules and plaques. Later findings include facial infiltration (leonine facies), ocular effects, neurologic involvement, and hypogonadism.
Category:
Microbiology
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