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[Two cases of Hansen's disease]
Eiko Ichikawa1, Fujio Otsuka, Noriko Horii
1Department of Dermatology, University of Tsukuba, Institute of Clinical Medicine, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8575, Japan.
Summary
This study presents two Japanese men diagnosed with Hansen's disease (leprosy). Early diagnosis and multi-drug therapy are crucial for managing leprosy symptoms and preventing nerve damage.
Area of Science:
- Dermatology
- Infectious Diseases
- Neurology
Background:
- Hansen's disease, also known as leprosy, is a chronic infectious disease caused by Mycobacterium leprae.
- It primarily affects the skin, peripheral nerves, upper respiratory tract, eyes, and testes.
- Early diagnosis and treatment are essential to prevent disability.
Observation:
- Case 1: A 71-year-old Japanese man with borderline lepromatous leprosy presented with ulnar nerve palsy, erythema, and facial nodules. He had no history of living abroad.
- Case 2: A 68-year-old Japanese man with indeterminate leprosy presented with a skin lesion and numbness on his forearm after living in Brazil for decades.
- Skin biopsies confirmed leprosy in both cases, with Case 2 testing positive for M.leprae DNA via PCR.
Findings:
- Both patients responded to multi-drug therapy (MDT). Case 1 required re-initiation of MDT due to relapse.
- Case 2 showed rapid improvement with dapsone and rifampicin, with erythema and numbness resolving within two months.
Implications:
- These cases highlight the importance of considering Hansen's disease in patients with compatible symptoms, even in non-endemic regions.
- Prompt diagnosis and appropriate multi-drug therapy are effective in managing Hansen's disease and preventing long-term complications.
- Recurrence of symptoms necessitates re-evaluation and potential re-initiation of treatment.