Signs and Symptoms - C to E
café-au-lait macules | sharply defined brown macules; Albright’s s., ataxia-telangiectasia, Bannayan-Zonana s., basal cell nevus s., Bloom’s s., Cowden’s s., dyskeratosis congenita, epidermal nevus s., Fanconi’s s., Gaucher’s s., Hunter’s s., juvenile xanthogranuloma, Leschke’s d., Louis-Bar s., McCune-Albright s., multiple lentigines s., neurofibromatosis, nevus spilus, normal persons, Russell-Silver s., Ruvalcaba-Myhre-Smith s., Tay’s s., tuberous sclerosis, Turner’s s., von Hippel-Lindau d., Watson’s s., Westerhof’s s. |
calcification/calcinosis | calciphylaxis, CREST, dermatomyositis (15% adults, 50% children), Down s., Ehlers-Danlos s., hypervitaminosis D, infection, IV calcium infusion milk-alkali s., neoplasms, nevoid basal cell s., panniculitis, PCT, PSS, PXE, Rothmund-Thomson s., sarcoidosis, SLE, subepidermal calcified nodule, trauma, Werner’s s. |
Calcinosis | COPS s., CREST s., dermatomyositis, scleroderma |
capillary malformations | proteus s. |
caput medusae *** | dilated periumbilical veins secondary to portal hypertension; alcoholism |
cardinal signs of inflammation | dolor (pain), calor (heat), rubor (erythema), tumor (swelling), & functio laesa (loss of function) |
cardiomyopathy | Fabry d., Hermansky-Pudlak s., hypereosinophilic s., LEOPARD s. |
cardiopulmonary d. | amyloidosis, collagen vascular d., cystic fibrosis, LE, LEOPARD s., lipoid proteinosis, lymphomatoid granulomatosis, multicentric reticulohistiocytosis, PXE, relapsing polychondritis, RA, sarcoidosis, scleroderma, SLE, yellow nail s. |
cardiovascular d. | Kawasaki d., Lyme borreliosis, Marfan’s s., Reiter’s s., syphilis |
Carotenemia | anorexia nervosa, diabetes mellitus, hepatic disease, hypothyroidism, hypopituitarism, inborn errors of metabolism |
carp’s mouth | narrowed mouth width; de Lange s., Plummer-Vinson s. |
cartilage inflammation | MAGIC s. |
cat bite sign | osteochondritis of medial proximal tibial metaphysis; congenital syphilis AKA Wimberger sign |
Cataracts | Albright’s s., atopic dermatitis (8%, usually posterior & shield shaped), Behçet’s d., cerebrotendinous xanthomatosis, congenital rubella, Christ-Siemens-Touraine s., Clouston’s s., Cockayne’s s., Conradi’s s., Cross-McKusick-Breen s., DeBarsy’s s., Fabry’s d., Hallermann-Streiff s., hidrotic ectodermal dysplasia, incontinentia pigmenti, Marinesco-SjØgren s., nail-patella s., pachyonychia congenita, pangeria, Rothmund-Thomson s., thymic hypoplasia (DiGeorge s.), thymoma with immunodeficiency, Werner’s s., Wiskott-Aldrich s. |
cayenne pepper spots | minute red petechiae on lesion borders; Schamberg’s d. |
Ceruloderma | drugs, Mongolian spot, nevus of Ota |
Chagasids | morbilliform or erythema marginatum-like eruption; acute phase of Chagas d. |
Chagoma | erythematous subcutaneous nodule; Chagas d. |
Chancre | painless ulcer; primary syphilis |
Cheilosis | Candida, riboflavin deficiency |
Chelitis | AK, Bloom’s s., contact chelitis, factitial chelitis, Gamborg-Nielson PPK, granulomatosis chelitis, necrotizing sialometaplasia, plasma cell chelitis, Plummer-Vinson s. |
chicken skin | see peau d’orange |
Christmas tree pattern | papules & plaques following skin tension lines on the back; erythema dyschromicum perstans, KS, lichen planus, lichenoid reaction, pityriasis lichenoides, pityriasis rosea, syphilis (secondary) |
cigarette paper skin | epidermal & dermal atrophy; acrodermatitis chronica atrophicans, Ehlers-Danlos s., parapsoriasis (large plaque), mycosis fungoides (patch stage) |
claw hand | ***; leprosy |
cleft lip/palate | EEC s., popliteal web s., Rapp-Hodgkin s. |
Clinodactyly | nail-patella s. |
CNS calcification | BCC s., lipoid proteinosis, Papillon-Lefevre s., toxoplasmosis, tuberous sclerosis |
coast of California | smooth bordered café-au-lait spots; neurofibromatosis |
coast of Maine | jagged pigmented café-au-lait spots, may be dermatomal; McCune-Albright s. |
cobblestone knuckles | hyperkeratosis; Unna-Thost d. |
cobblestone papules, mouth | Darier’s d. |
cobblestone skin | appearance; Crohn’s d., Cowden d., Darier’s d., lichen amyloidosis, lipoid proteinosis, MEN IIb, tuberous sclerosis |
cold agglutinins | acrocyanosis, elderly, gangrene, Raynaud’s |
colic | Peutz-Jeghers s. |
collarette | peripheral lesional scale; EAC, mycoses (superficial), pityriasis rosea, PLC, syphilis (secondary) |
collarette, necrolytic | pemphigus foliaceus |
collodion membrane | Gaucher’s d., ichthyosis (congenital erythrodermic (67%), lamellar recessive), Johnston’s s., Netherton’s s., self-healing collodion baby, trichothiodystrophy |
condyloma lata | moist verrucous genital plaques; secondary syphilis |
confetti macules | chemical leukoderma, tuberous sclerosis, vitiligo, leukoderma punctatum, tinea versicolor, IGH, photoaging |
congestive heart failure | progeria |
conjunctivitis & conjunctival involvement | actinic prurigo, Behçet’s d., bullous dyskeratosis congenita, cat scratch d., cicatricial pemphigoid, erythema multiforme, erythema nodosum, Fabry d., iodides, Kawasaki’s s., lamellar ichthyosis, LP, Lyme d., molluscum contagiosum, moth dermatitis, psoriatic arthritis, Reiter’s s., rosacea, sarcoidosis, Sweet’s s., trichinosis, Wegener’s granulomatosis, X-linked aggamaglobulinemia, Zinsser-Cole-Engman s. |
cool skin | arterial insufficiency, hypothyroidism, venous stasis |
copper colored papules | secondary syphilis |
copra itch | pruritus due to mite bites |
corn flake sign | flaking keratinous papules of legs in Flegel’s d. |
cornea, clouding | chlorpromazine, Tangiers’ d. |
cornea, dystrophy | anhidrotic ectodermal dysplasia, angiokeratoma corporis diffusum, Darier’s d., epidermolysis bullosa of the polydysplastic type, Hurler’s s., keratosis follicularis spinulosa, non-bullous ichthyosiform erythroderma, PRP, Rothmund-Thomson s., xeroderma pigmentosum |
cornea, erosion | cicatricial pemphigoid, DEB (Hallopeau-Siemens), DEB-inversa |
cornea, opacities | antimalarials, chlorpromazine, cicatricial pemphigoid, Fabry’s d., Lawrence-Seip d., lepromatous leprosy, Morquio’s s., mucopolysaccharidoses, Richner-Hanhart s., PUVA, prolidase deficiency, Winchester s., xeroderma pigmentosa, X-linked ichthyosis |
coup de sabre | linear, atrophic depression of central forehead; scleroderma |
cracked skin | fine desquamation with cracking along natural skin lines; kwashiorkor |
crazy paving dermatitis | erosive, peeling skin; kwashiorkor |
crust, honey-colored | thick, dried fluid; eczematous dermatitis, impetigo |
crust, varnish-like | dried exudate; bullous impetigo |
cryptorchidism | Cockayne’s s., popliteal pterygium s., Tay’s d., X-linked ichthyosis |
cutaneous horn | AK, basal cell epithelioma, granular cell tumor, Kaposi’s sarcoma, KA, renal carcinoma (metastatic), sebaceous carcinoma, SCC, SK, trichilemmal keratosis, verrucae vulgaris |
cutis laxa | loose, redundant skin; amyloidosis, cutis laxa s., DeBarsy’s s., geroderma osteodysplastica, Patterson’s s., plasma cell dyscrasias, PXE, SCARF s., wrinkly skin s. |
cutis marmorata | physiologic reaction to cold exposure; Cushing’s s., de Lange s., Down s., normal persons (children), trisomy 18 |
cutis verticis gyrata | acromegaly, amyloidosis |
cysts, multiple | basal cell nevus s., congenital leukonychia, Dowling-Degos d., Gardner’s d., hexachlorobenzene-induced PCT, steatocystoma multiplex |
deafness | knuckle pads, pili torti, relapsing polychondritis congenital: albinism, Alezzandrini’s s., BADS s., Bart-Pumphrey s., BjØrnstad’s s., Cockayne’s s., congenital lues, congenital rubella, congenital syphilis, Crandall’s s., ectodermal dysplasia, Fisch’s s., HID s., hypomelanosis of ITO, JEB-progressiva, KID s., LEOPARD s., Marfan’s s., Morquio’s s., Moynahan s., Muckle-Wells s., multiple lentigines s., osteogenesis imperfecta, palmoplantar keratoderma (AD), Pallister-Killian s., Ramsay-Hunt s., Refsum’s d., Rozychi’s s., Tietze’s s., TORCH s., Waardenburg’s s., Wegener’s s., Woolf’s s., xeroderma pigmentosum, Ziprowski-Margolis s. |
death, premature | Proteus s., Sanfilippo’s s., SCIDs, Siemerling-Creutzfeldt d., xeroderma pigmentosa |
delirium | erysipelas |
dell | central depression in papule; anetoderma, lichen sclerosis, molluscum contagiosum, sebaceous hyperplasia |
dermal thinning | Cushing’s s. |
dermatoglyphic absence | Rapp-Hodgkin s. |
dermographism | urticaria due to physical allergy--response to firm stroking with dull instrument; hypereosinophilic s. (>75%), mastocytosis, NERD s., normal persons, urticaria |
dermographism, white | blanch at sites of stroking; atopic dermatitis, GVHD |
desquamation | dermatophyte infection, GVHD, ichthyosis, Kawasaki d., kwashiorkor, PR, syphilis, SSSS, TEN, vitamin A deficiency, vitamin A toxicity |
desquamation, latent | scale that appears only after scratching; parapsoriasis, psoriasis, PR (early), tinea versicolor |
dew drop on a rose petal | vesicle on pink base; varicella (chickenpox) |
diaphoresis, nocturnal | acromegaly, carcinoid s., diabetes mellitus, lymphoma, vasculitis |
diarrhea | acrodermatitis enteropathica, carcinoid s., chronic granulomatous d., dermatitis herpetiformis, Leiner’s d., lymphopenic agammaglobulinemia, mastocytosis, Nezelof’s s., runting s., SCIDS, Whipple’s d. |
digitate dermatosis | fingerprint shape yellowish patches on trunk; SPP |
dimple sign | lateral pressure results in depression; dermatofibroma |
dirty appearance | skin (especially nuchal) appears dirt covered; Darier’s d., ichthyosis |
dollar paper markings | minute telangiectasia similar to paper money fibers; chronic liver d. |
drumstick fingers | finger shape with wider proximal portion; Fischer-Jacobsen-Clouston s. |
dryness | aged skin, atropine-like drugs, cholesterol reducing drugs, chronic nephritis, ichthyosis, myxedema, niacin, retinoids |
dwarfism | de Lange s., Moynahan’s s., trichomegaly |
dysphagia | acanthosis nigricans, Behçet’s s., bullous pemphigoid, celiac d., Darier’s d., DEB, dermatitis herpetiformis, dermatomyositis, lichen planus, Plummer-Vinson s., PSS, PV, Steven-Johnson s., systemic sclerosis, tylosis |
ear nodules | chondrodermatitis nodularis chronica helices, collagenous papules of the aural conchae, elastotic nodules of the antihelix, multicentric reticulohistiocytosis, Unverricht’s s. |
ear pit | preauricular cyst |
earlobe creases | risk factor for cardiovascular death (1.5x) |
ecchymoses | actinic purpura, amyloidosis, anticoagulants, benign hypergammaglobulinemic purpura, Cushing’s s., DIC, Ehlers-Danlos s., glucocorticoid use, Hermansky-Pudlak s., hemophilia, hepatic insufficiency, psychogenic purpura, PXE, scurvy, vitamin K deficiency |
eclabion | Neu-Laxova s. |
ectopia lentis | homocystinuria, Marfan’s s. |
ectropion | Neu-Laxova s., Rapp-Hodgkin s. |
edema, eyelid | aldosteronism, dermatomyositis, MEN 3 (nodular swelling) trichinosis, urticaria |
edema, facial | Melkersson’s s. |
edema, hands & feet | NERD s. |
edema, periorbital | Chagas’ d., trichinosis |
elderly | actinic: photoaging, cutis rhomboidalis nuchae, solar lentigo, Favre-Racouchot d., solar purpura, venous lakes, stellate scars, radiodermatitis autoimmune: amyloidosis, cryoglobulinemia, dermatomyositis, giant cell arteritis, hypersensitivity vasculitis, LE, livedo reticularis, morphea, pemphigus vulgaris, progressive psoriatic arthritis, sarcoidosis, systemic sclerosis, Wegener’s granulomatosis eczema: nummular, gravitational, asteatotic, lichen simplex chronicus, atopic, auto-sensitization, prurigo nodularis feet: bunions, calluses, clavi, corns, onychauxis, onychocryptosis, onycholysis, onychogryphosis, onychophosis, subungual exostosis infections: acrodermatitis chronica obliterans, Candida, dermatophyte, cellulitis, herpes simplex, herpes zoster, pyoderma lymphoma: CTCL, cutaneous B cell lymphoma, leukemia cutis, multiple myeloma, macroglobulinemia, parapsoriasis en plaque, Sezary s. mucous membranes: cheilitis, perleche, leukoplakia, oral cancer nails: dystrophy neoplasia, benign: acrochordons, cherry angioma, clear cell acanthoma, colloid millium, cutaneous horns, fibroepithelioma, KA, sebaceous adenoma, seborrheic keratosis neoplasia: actinic keratoses, angiosarcoma, BCC, Bowen’s d., cutaneous metastases, melanoma (desmoplastic, lentigo maligna, nodular, superficial spreading), lentigo maligna, Merkel cell carcinoma, Paget’s d., SCC |
en coup de sabre | forehead lesion; linear scleroderma |
enamel paint spot | darkened plaques; kwashiorkor |
enchondromatosis | Maffucci’s s. |
endocrine abnormalities | Carney’s s., POEMS s. |
ephelides | NAME s. |
epicanthal fold | Down s., Dubokowitz’s s., Klinefelter’s s., Turner’s s. |
epidermal translucency | Cushing’s s. |
epiphora | Rapp-Hodgkin s. |
epistaxis | glanders, hereditary hemorrhagic telangiectasia, Henoch-Schönlein purpura, Hermansky-Pudlak s., idiopathic thrombocytopenic purpura, kala-azar, Lucio’s phenomenon, polyarteritis nodosa, polycythemia rubra vera, PXE, SLE, systemic mastocytosis, universal telangiectasia, Waldenstrom’s macroglobulinemia, Wegener’s granulomatosis |
erythroderma | dermatologic: actinic reticuloid, airborne contact dermatitis, atopic dermatitis, candidiasis, contact dermatitis (generalized), crusted scabies, hypereosinophilic s., ichthyosis, Leiner’s d., lichen planus, LE, mastocytosis, nummular eczema, peeling skin s., pemphigus foliaceus, phytophotodermatitis, PRP, psoriasis (20%), Reiter’s d., scalded skin s., seborrheic dermatitis, stasis dermatitis neoplastic: carcinoma (colon, lung, liver, pancreas, prostate, stomach, thyroid), CTCL, Hodgkin’s d., lymphoma (30%), mycosis fungoides, Sezary s., T-cell leukemia, T-cell lymphoma systemic: complement deficiency, dermatomyositis, erythrodermic mastocytosis, sarcoidosis other: GVH disease, drug reactions |
erythroderma, exfoliative | skin disease; atopic dermatitis, chronic actinic dermatitis, contact dermatitis, CTCL, dermatophytosis, drug allergy, Hailey-Hailey d., ichthyosis (hereditary), LE, Leiner’s d., lichen planus, mycosis fungoides, pemphigoid, pemphigus foliaceus, pityriasis rubra pilaris, psoriasis, Reiter’s s., Sarcoid, seborrheic dermatitis, SSSS, stasis dermatitis, systemic disease; AML, CML, fallopian tube carcinoma, GVH d., HIV infection, lung carcinoma, lymphoma, multiple myeloma, rectal carcinoma, reticulum cell sarcoma |
erythroderma, neonatal | Chanarin-Dorfman s., infantile atopic dermatitis, Netherton’s s., |
esophageal abnormality | CREST s., PACK s., PSS |
esophageal cancer | arsenic, Plummer-Vinson s., tylosis |
esophageal strictures | Zinsser-Cole-Engman s. |
ethnic groups | American Indians; actinic prurigo, cutaneous diphtheria, oral focal epithelial hyperplasia (Heck’s s.), PMLE Amish; Ellis van Crevhold d., yellow mutant albinism Asian; macular amyloidosis Canadian Indians; PMLE (lip involvement) Chinese; lichen amyloidosis Dutch; Hermansky-Pudlak s. French Canadian; Clouston’s hidrotic ectodermal dysplasia Hispanic; lichen planus pigmentosis, melasma Japanese; Behçet’s d., congenital onychodysplasia of the index finger, HTLV-1, lipodystrophia centrifugalis abdominalis infantalis, Rieh’s melanosis, syringomas Jews (Ashkenazi); Bloom’s s., distinctive exudative discoid & lichenoid dermatitis (oid-oid), familial Mediterranean fever, Gaucher’s d., Niemann Pick d., pemphigus foliaceus, pemphigus vulgaris, Riley-Day s., thromboangiitis obliterans, vitiligo, Ziprokowski-Margolis s. Mediterranean; Chanarin-Dorfman s., KS (classic) Middle Eastern; Behçet’s d.. Chanarin-Dorfman s., macular amyloidosis Puerto Rican; Hermansky-Pudlak s. South American; macular amyloidosis South African; pseudomonilethrix |
| excited skin syndrome | patch testing; false + reactions (up to 40%), hypersensitivity caused by strong + reaction to one allergen AKA angry back syndrome |
excoriation | atopy, contact dermatitis, DH, infestations, neurodermatitis, stasis dermatitis |
exfoliation, palmar | Kawasaki d., scarlet fever, TSS |
exophthalmos | Hand-Schòller-Christian d., hyperthyroidism, Langerhan’s cell histiocytosis, rhinoscleroma |
expressionless appearance | panhypopituitarism, scleredema, scleroderma |
Eyelid lesions | multiple clear cell hidradenomas, primary mucinous carcinoma of the skin, sebaceous carcinoma, signet ring cell carcinoma, syringomas |

