Date post: | 07-May-2015 |
Category: |
Health & Medicine |
Upload: | eyenirvaan |
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LEPROSY
PART 1
Pradnya Gogate B. Optom,
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LEPROSY
Hansen’s disease
Chronic, granulomatous Etiology: Mycobacterium leprae Male: Female ratio –2:1 Transmission in nasal discharge, contact
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CLASSIFICATION
Tuberculoid
Lepromatous
Borderline/ Dimorphous
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TUBERCULOID Benign Distribution: Face, skin, gluteal region,
limbs Asymmetrical lesions, anhydrotic Polyneuritis Claw hand, foot drop Nerves involved Eg. Ulnar, peroneal Loss of sensation
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LEPROMATOUS Macular, diffuse nodular Distribution: Face, ear lobes, neck, extremities,
trunk
Borderline
Intermediate between lepromatous & tuberculoid Bizarre skin lesions (eyes, nose)
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LEPRA REACTIONS
Inflammation in pre-existing lesions Type I: Borderline & tuberculoid Mechanism: Cell mediated
hypersensitivity Occurs spontaneously, loss of nerve
function, swollen skin lesions Type II: Common in 2nd year of treatment Fever, painful papules/nodules(erythema
nodosum leprosum)
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OCULAR FEATURES
Conjunctivitis Keratitis Loss of eyelash/ eyebrows Scleritis Corneal anaesthesia Iritis (lepromatous) Severe miosis, iris atrophy
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LEPROMATOUS IRITIS
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INVESTIGATIONS
Slit skin smear: Lesions from ear lobe, ring/middle finger
Lepromin test (suspension of dead M.leprae) Classify disease, determine
prognosis/treatment
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MANAGEMENT
Isolation of patient till non-infectious Three drug therapy: Rifampicin Clofazimine 50mg/day Dapsone 2mg/kg/day Chemotherapy for lepra reactions:
Thalidomide 100mg/6hrs Aspirin 600mg/6hrs Steroids
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PREVENTION
Avoid contact
Regular treatment
Follow up
Improve socio-economic conditions
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CONTINUE TO PART II …
THANK YOU
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