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Fingernail Quiz Res1
pl 2010
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Here is a little quiz which I hope you will enjoy and should
be educational too!
Medicine is a lot of fun as well as being a hard slog
Go thro the slides and write down what you see and
medical conditions the nail changes are associated with
The second part of the PP presentation gives the slides
again with the answers
You may find you will be able to catch out some of your
tutors. Probably the physcians not the surgeons!!
Modified from Medscapethanks to them
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Fingernail abnormalities are commonly
caused by skin diseases + infections
but
May also indicate more general medical
causes
Here are some examples: describe thechanges seen and the possible cause [s]
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No 1
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No 2
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No 3
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No 4
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No 5
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No6
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No 7
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No 8
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No 9
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No 10
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No 11
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No 12
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No 13
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No 14
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No 15
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No 16
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No 17
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No 18
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No19
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No 20
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No 21
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No 22
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And dont forget the toe nails
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No 1
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Clubbed fingernails
Softening of nail bed
Loss of angle between nailbed and fold
Increase in nail fold convexity
Thickening of end of finger [drumstick]
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Loss of diamond shaped window
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Causes of Clubbing
Pulmonary and Cardiovascular cause [80%]
eg lung cancer,lung abcess, interstitial fibrosis, sarcoid,SBE
aortic aneurism,pulm AV fistula
GI causes [5%]
eg IBD, sprue,neoplasms [oesophagus,liver,bowel]
Hyperthyroidism [1%]
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No 2
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Koilonychia [Spoon nail]
Concave nailnormal in children
Water drop test
Iron deficiency anaemia
[but also: diabetes,protein deficiency, SLE, Raynaulds disease]
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No 3
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Beaus Growth Arrest Lines
Transverse lines in substance of nail
Indicate previous acute illness
Causes include severe infection,MI,
hypotension/shock, hypocalcaemia and
surgery
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No 4
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Longitudinal striations
Called onychorrhexis
Sign of advanced age or Rh A,PVD,
Lichen planus ,Dariers Disease
Central ridges occur in Fe defic,folic acid
deficiency,protein deficiency
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No 5
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Central Nail canal [median nail
dystrophy] Associated with arterial disease
Malnutrition
Trauma
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No6
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Longitudinal brown lines
caused by increased melanin production by
melanocytes of nail matrix
found in Addisons Disease
breast cancer
melanoma
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No 7
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Central nail canal with Fir tree
PVD
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No 8
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Nail Pitting
Small punctate depressionscaused by nail
matrix inflammation
Psoriasis,alopecia.eczema,lichen planus
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No 9
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Nail Beading
Beads drip down like wax
Diabetes,thyroid disorders,Addisons diasese
vit B defic
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No 10
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Onycholysis
Distal separation of nail plate from nail bed
Thyrotoxicosis,psoriasis,trauma,tetracycline
eczema
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No 11
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Splinter haemhorrages
Caused by haemhorrage in the distal
capillary loop
Occur in:SBE,SLE,trichoniasis,pityriasis,psoriasis
renal failure
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No 12
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Terrys half and half nail
proximal part is white and distal part dark
indicates renal or liver disease
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No 12
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LeuconychiaWhite nails
Occur in
Anaemia,renal failure,cirrhosis,diabeteschemotherapy
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No13
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Mees Transverse White Lines
Any acute illness can cause these
Seen in heavy metal poisoning [arsenic]
chemotherapy
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No 15
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Black nails
occur with
fungal infections
haematomabeware the sub ungual melanoma
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No 16
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Blackgreen nails
Occur in:
trauma- haematoma
use of topical preparations containingchlorophyl,methyl green and silver
nitrate
chronic pseudomonas infection [on R]
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No 17
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Yellow nails
may suggest:
diabetis mellitus,amyloidosisjaundice
cigarette smoking
median /ulnar nerve injury
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No 18
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Thickened nails
slow nail growth leads to thickened nails
associated with:fungal infections,eczema, pvd
psoriasis, yellow nail syndrome
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No 19
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Abnormalities of lunula
absent suggests anaemia ,malnutrition
pale blue suggests diabetes
pyramidal suggests trauma [xs manicure]
red suggests CV disease,collogen vasc
disease or haematological malignancy
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No 20
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Peri ungal telangectasia
caused by dilated capillary loops with
atrophy of the cuticle
associated with collogen vascular disease
SLE /scleroderma/ dermatomyositis
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No 21
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paronychia
associated with separation of the seal
between the nail fold and nail plate
this acts a portal of entry for bacteriawith acute or chronic sepsis
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No 22
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Painted nails
Vanity, Vanity, Thy name is woman
Shakespeare
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No 21
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No 21