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Onchocerciasis Clinical Findings
- Skin manifestations include:
- Pruritus, rash (when microfilariae die)
- Chronic dermatitis and altered pigmentation
- Oedema and atrophy of the skin
- Loss of skin elasticity
- Lymphadenitis
- Pigment changes known as “leopard skin”
- Nodules (onchocercomas) contain live or calcified adult worms
- Eye manifestations are due to dying microfilariae and include:
- Punctate keratitis
- Sclerosing keratitis
- Anterior uveitis
- Chorioretinal lesions
- Inflammation and atrophy of the optic nerve
- Blindness
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