Nail Findings Semiology

Question 1

Arcal lentiginous melanoma

Answer 1

With nail bed involvement the nail plate may have dark/brown discoloration

Question 2

Beaus lines

Answer 2

Trnasverse groooved lines parallel to lunula occuring after illness

Question 3

Clubbing

Answer 3

Soft tissue growht at the nail bed and ID’d by nothing great A-P distance compared to distance at DIP

Thoracic dz - cyanotic congen HD, CF, PF< lung cancer, hepatic cirrhosis

Question 4

Koilonychia

Answer 4

Nail curve upward away from nailbed…iron def

Question 5

Linday’s nails

Answer 5

Proximal portion of nail is pale and whitish while distal 20-60 is brown bind or reddish ….Renal fialure

Question 6

Mees lines

Answer 6

Transverse white band parallel to lunula

Arsenic intox but may thallium or after lymhpoma or laria…most common following cancer chemo

Question 7

Muehrckes lines

Answer 7

2 or more paird transvere white bands associated with sever ehypoalbuminemia

Question 8

Nail pitting

Answer 8

SMall dep in nail presnet in up to 50% of pts with psoriasis

Question 9

Onycholyssi

Answer 9

Separation of nail plate forom hyponychium…traumatic, psoriasis, hyperthyroid

Question 10

Periungual fibroma

Answer 10

Flesh color papula of naul folds (more in toes)…T.S

Question 11

Quitter nail

Answer 11

Heavy cigarrette smoking leads to orange-brown discoloration of nails…normal proximal iwth distal discoloration inducates cessation

Question 12

Splinter hemorrhage

Answer 12

Small or brown red streaks perpendicular to lnula and involving distal

Microembolism from IE…also from scleroderma and trichinosis

Question 13

Terrys naisl

Answer 13

Prox paleness of nails with only 1-2 mm of preseverd pink distal border

Liver cirrhoiss or other sewvere med conditions