List of skin signs

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This is a list of medical signs seen in skin, some of which are named for individuals.[1][2][3][4][5][6][7]

A

Skin signs (A)
Term Description Cause Image Eponymous (named after)
Abrasion[8] Wound of skin; partial thickness.[8] Trauma[8]
Apple jelly nodules
Asboe-Hansen sign[4] Blister: extension of a blister to adjacent unblistered skin when pressure is put on top of it.[9] Pemphigus vulgaris[9] Gustav Asboe-Hansen
Albright's dimple sign[1] Dimples of knuckles on making a fist[4] Short metacarpals in Albright's hereditary osteodystrophy associated with pseudohypoparathyroidism and pseudopseudohypoparathyroidism[10] Fuller Albright
Antenna sign[1] Keratosis pilaris[1]
Atrophy
Auspitz's sign[1] Bleeding spots after scratching skin[1] Psoriasis[1]

Darier's disease[1]

Actinic keratosis[1]

Heinrich Auspitz

B

Skin signs (B)
Term Description Cause Image Eponymous (named for)
Barnet's sign[11] Scleroderma[1]
Battle's sign[4] Bruising behind the ear in fracture of middle cranial fossa[4] William Henry Battle
Beau lines[12] Grooves across the nail plate[12] Severe illness, acute stress[12] Joseph Honoré Simon Beau
Blaschko's lines Alfred Blaschko
Blister[9] Vesicle[9]

(Small blister)

Bulla[9]

(Large blister)

Blue dot sign[13] Torsion of the testicular appendix[13]
Blue scrotum sign of Bryant Abdominal aortic aneurysm John Henry Bryant
Borsari's sign Giovanni Battista Borsieri [it]
Braverman's sign Connective tissue disease[3] Irwin M. Braverman
Branham's sign[1]
Breakfast, lunch, and dinner sign[14] Bumps close together[15] Insect bites[14]
Burrow
Butterfly rash[5] Systemic lupus erythematosus[5]

Pellagra[5]

Rosacea[5]

Dermatomyositis[5]

Atopic dermatitis[5]

Butterfly sign[1] Dermatomyositis
Buttonhole sign[4] Bump that can be pushed into skin[1] Neurofibromatosis type I[1]

C

Skin signs (C)
Term Description Cause Image Eponymous (named for)
Carpet tack sign[1]
Casal collar Redness and darkening of the skin around the neck, seen in people with pellagra.[16] Gaspar Casal
Cayenne pepper spots
Chagas–Mazza–Romaña's sign[1]
Champagne bottle legs
Cornflake sign[17] Hyperkeratosis lenticularis perstans

Pemphigus foliaceous

Coral bead sign[18] Papules near nail fold[18] Multicentric reticulohistiocytosis[18]
Coudability sign[19] Hair sign Alopecia areata[19]
Crowe sign[1] Freckles in underams[1] Neurofibromatosis type I[1] Frank W. Crowe
Crusts[9]
Cullen's sign[1] Bruising around umbilicus in acute pancreatitis Thomas Stephen Cullen
Cyst

D

Skin signs (D)
Term Description Cause Image Eponymous (named for)
Darier's sign[4] Ferdinand-Jean Darier
Dennie–Morgan fold Charles Clayton Dennie
Dermatoglyphics
Desquamation
Dimple sign[4] Depression of skin when squeezed. Dermatofibroma
Doughnut sign

E-F

Skin signs (E-F)
Term Description Cause Image Eponymous (named for)
Erosions[9] [20]
Fissure Cracks, clefts
Fried egg sign

G

Skin signs (G)
Term Description Cause Image Eponymous (named for)
Gottron's papules[4] Heinrich Adolf Gottron
Grey Turner's sign[4] George Grey Turner
Groove sign[4]

H

Skin signs (H)
Term Description Cause Image Eponymous (named for)
Hair collar sign[4]
Hanging curtain sign[4] Pityriasis rosea[21]
Heliotrope sign[22] Dermatomyositis[22]
Hertoghe’s sign[4]
Hoagland’s sign[23] Infectious mononucleosis[23]
Holster sign[4]
Hives Urticaria, wheals
Honeycomb atrophy
Hutchinson's sign Jonathan Hutchinson

I-J

Skin signs (I-J)
Term Description Cause Image Eponymous (named for)
Janeway lesion Edward Gamaliel Janeway

K

Skin signs (K)
Term Description Cause Image Eponymous (named for)
Kerr's sign
Koebner phenomenon Heinrich Koebner
Koplik's spots Henry Koplik

L

Skin signs (L)
Term Description Description Cause Image Eponymous (named for) Notes
Langer's lines Karl Langer
Leser–Trélat sign[24] seborrheic keratoses: sudden occurrence of many associated with an internal cancer as part of a paraneoplastic syndrome[24] Edmund Leser, Ulysse Trélat (1800s) A more accurate description was given by Eugen Von Hollander in 1900.[25]
Lichenification[8]

M

Skin signs (M)
Term Description Cause Image Eponymous (named for) Notes
Macule A small flat spot[8]
Maceration
Morbilliform

N-O

Skin signs (N-O)
Term Description Cause Image Eponymous (named for) Notes
Nikolsky's sign Pyotr Nikolsky (1858 – 1940)
Nodule[8]
Ollendorff probe sign[26] Pain on prodding lesion[26] Secondary syphilis[26] Helene Ollendorff Curth (1899 - 1982) Several dermatological publications refer to the sign as the Buschke-Ollendorf sign.[27] However, Ollendorf Curth described the sign before going to work with Buschke and she and others clarify that the sign is called Ollendorffs sign.[26][28]
Oil spot
Osler node William Osler

P

Skin signs (P)
Term Description Image Eponymous (named after)
Papule[8] A papule is a small, well-defined bump in the skin.
Pastia's lines Constantin Chessec Pastia
Patch[8]
Pear sign[9]
Peau d’ orange
Port wine stain
Plaque[8]
Pustule[8]

R

Skin signs (R)
Term Description Cause Image Eponymous (named for)
Racoon sign
Renbök phenomenon
Reticulate skin
Reverse Namaskar sign Ehlers–Danlos syndrome
Romana's sign[29] Chagas disease[29] Cecilio Romana
Rope sign
Round fingerpad sign
Rumpel–Leede sign
Russell’s sign

S

Skin signs (S)
Term Description Cause Image Eponymous (named for)
Scales[17]
Scar
Scratch marks excoriations
Serpiginous skin
Shawl sign Dermatomyositis

T

Skin signs (T)
Term Description Cause Image Eponymous (named for)
Tent sign
Thumbprint sign
Tin-tack sign
Telangiectasia
Toy soldier sign
Tripe palms Thick ridged velvety palms, typically as part of a paraneoplastic syndrome[30]
Tumor

U

Skin signs (U)
Term Description Cause Image Eponymous (named for)
Ugly duckling sign[31] Spot that appears out of place[31]
Ulcers
Umbilication[32] Dip in skin bump[32]

V

Skin signs (V)
Term Description Cause Image Eponymous (named for)
V sign[33] Trichotillomania[33]
Vesicle

W

Skin signs (W)
Term Description Cause Image Eponymous (named for)
Walzel sign[4]
Wickham striae Louis Frédéric Wickham
Winterbottom's sign[4] Thomas Winterbottom
Wolf's isotopic response

See also

References

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