nail disorders · chronic paronychia ‐inflammation due to irritant material beneath nail fold...
TRANSCRIPT
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NAIL DISORDERS
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Structure of Nail
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Common nail Disorders
Affecting nail platePsoriasislichen planusEczemaOnychomycosis
Affecting nail bedWartsGlomus tumorMelanocytic tumor
Affecting nail foldParonychia
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Psoriasis
‐ Pitting
‐ Grooves
‐ Erythema (nail bed)
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Psoriasis
‐Ridging
‐Longitudinal grooves
‐Discoloration
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Psoriasis
Onycholysis
(separation of nail from nail bed)
Other causes include‐
trauma
hereditary
drug induced
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Psoriasis
‐Subungual hyperkeratosis(deposition of debris,
‐ dead keratin beneath nail plate)‐
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Lichen planus
Discoloration
Thinning
Ridging
Dystrophy
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Eczema
Nail dystrophy
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Onychomycosis
Infection of nail & nail folds
by dermatophytes &
nondermatophytic moulds
T.unguium‐
onychomycosis by dermatophytes
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Disorders affecting nail bed
Warts
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Disorders affecting nail bed
Glomus Tumour
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Disorders affecting nail bed
Melanocytic tumour
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Disorders affecting nail folds(Paronychia)
Acute Paronychia‐Severe pain, erythema, edema
Bacterial‐StaphylococcusStreptococcusPseudomonas
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Chronic Paronychia
‐Inflammation due to irritant
material beneath nail fold
‐Common in females with
wet hands, Manicuring, Candida
‐Swelling of nail folds & base
‐Irregular transverse ridges
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Nail involvement in systemic diseases
Leukonychia‐white nails
Causes‐cirrhosis, hypoalbuminemiahereditarychemotherapy
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Periungual fibroma
(koenen’s tumour)
Fleshy,smooth outgrowth
arising from nail fold
seen in Tuberous sclerosis
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Splinter haemorrhages
brown black streaks seen underneathnail plateCauses‐TraumaPsoriasis,atopic dermatitisvasculitissystemic infections
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Periungual erythema
Collagen vascular diseases
dermatomyositis
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Beau’s Lines
transeverse band like depressionson nail plate seen in sudden febrile episodes
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Koilonychia(spoon shaped )
reversed curvatureseen in‐ anemia‐ occupational
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Clubbingovercurvature of nail plate