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A
[Abscess]
[Acne Conglobata]
[Acne Fulminans]
[Acne Neonatorum]
[Acne Rosacea]
[Acne, steroid]
[Acne Vulgaris]
[Actinic Keratosis]
[Actinic Prurigo]
[Actinic Purpura]
[Adenoma Sebaceum]
[Addison's Disease]
[Alopecia, androgenic]
[Alopecia Areata]
[Alopecia, stress-induced]
[Aphthous Stomatitis]
[Artecoll]
[ArteFill]
[Athlete's Foot]
B
[Basal Cell Carcinoma]
[Behcet's Disease]
[Birt-Hogg-Dubé Syndrome]
[Botox]
[Bowel-Associated
Dermatosis Arthritis Syndrome]
[Bowen's Disease]
[Bullous Pemphigoid]
C
[Calcium Hydroxylapatite]
[Candidiasis, cutaneous]
[Candidiasis, oral]
[Carcinoid Syndrome]
[Cellulitis]
[Chicken Pox]
[Cicatricial Pemphigoid]
[Collagen, bovine]
[Colloid Millium]
[Corn]
[Cryotherapy]
[Cutis
Rhomboidalis Nuchae]
[Cymetra]
[Cyst]
D
[Dermal Fillers]
[Dermalogen]
[Dermatitis]
[Dermatitis, atopic]
[Dermatitis, contact]
[Dermatitis, nonspecific]
[Dermatitis, seborrheic]
[Dermatitis, stasis]
[Dermatitis Herpetiformis]
[Dermatofibroma]
[Dermatofibrosarcome Protuberans]
[Discoid Lupus Erythematosus]
[Disseminated Intravascular
Coagulation]
[Drug Eruptions (Rash)]
E
[Eczema]
[Epidermal Inclusion Cyst]
[Ehler's-Danlos Syndrome]
[Epidermolysis Bullosa]
[Erythema Migrans]
[Erythema Multiforme]
[Erythema Nodosum]
[Erythroplasia of Queyrat]
[Exanthem, viral]
F
[Fascian]
[Favre-Racouchot Syndrome]
[Freckle]
[Folliculitis]
[Fungal Culture]
[Fungal Infections]
[Furuncle]
G
[Gestational Pemphigoid]
[Glomus Tumor]
[Granuloma Faciale]
[Granuloma Inguinale]
H
[Hair Loss]
[Hand, Foot, and Mouth Disease]
[Hemangioma]
[Herpangina]
[Herpes Simplex Virus]
[Herpes Zoster]
[Hives]
[Hidradenitis Suppurativa]
[Human Herpes Virus 8 (HHV-8)]
[Hyaluronic Acid]
[Hylaform]
[Hyperhidrosis]
[Hyperpigmentation]
[Hypopigmentation,
postinflammatory]
I
[Impetigo]
[Impetigo, bullous]
[Incontinentia Pigmenti]
[Infantile Acropustulosis]
[Insect bite or sting]
[Intense Pulse Light]
J
[Juvéderm]
K
[Kaposi's Sarcoma]
[Keloid]
[Keratoacanthoma]
[Keratosis Pilaris]
L
[Laser]
[Laser, CO2]
[Laser, diode]
[Laser, Er:YAG, pulsed]
[Laser, excimer]
[Laser, Nd:YAG, pulsed]
[Laser, Nd:YAG, Q-switched]
[Laser, pulsed dye]
[Laser Hair Removal]
[Lentigo]
[Leukoplakia, oral]
[Lichen Planus]
[Lichen Simplex Chronicus]
[Linear IgA Bullous Disease]
[Lipoma]
[Lupus Erythematosus, discoid]
[Lupus Erythematosus, systemic]
M
[Melanoma]
[Melasma]
[Mesolis]
[Milia]
[Miliaria]
[Moh's Surgery]
[Molluscum Contagiosum]
[Morphea]
[Mucous Membrane Pemphigoid]
[Muir-Torre Syndrome]
[Mycosis Fungoides]
N
[Neonatal Acne]
[Neonatal Cephalic Pustulosis]
[Neurofibroma]
[Nevus]
[Nevus, dysplastic]
[New-Fill]
[Notalgia Paresthetica]
O
[Ochronosis]
[Onychomycosis]
[Oral Ulcer]
P
[Pachyonychia Congenita]
[Paget's Disease]
[Paronychia]
[Pemphigus Vulgaris]
[Photoaging]
[Photodermatoses]
[Photodynamic Therapy]
[Pityriasis Alba]
[Pityriasis Lichenoides et Varioliformis
Acuta (PLEVA)]
[Pityriasis Lichenoides Chronica (PLC)]
[Pityriasis Rosea]
[Poikiloderma of Civatte]
[Polymorphous Light Eruption]
[Porokeratosis]
[Porphyria Cutanea Tarda]
[Postinflammatory
Hyperpigementation]
[Postinflammatory
Hypopigmentation]
[Psoralen + UVA (PUVA)]
[Psoriasis]
[Purpura]
[Purpura, actinic]
[Purpura, thrombocytopenic]
[PUVA]
[Pyoderma Gangrenosum]
R
[Radiesse]
[Relapsing Polychondritis]
[Restylane]
[Rhinophyma]
[Rosacea]
S
[SAPHO Syndrome]
[Sarcoidosis]
[Scabies]
[Schamberg's Disease]
[Schnitzler Syndrome]
[Scleroderma]
[Sculptra]
[Sebaceous Hyperplasia]
[Seborrheic Keratosis]
[Shingles]
[Skin Tag]
[Sneddon-Wilkinson Disease]
[Solar Elastosis]
[Squamous Cell Carcinoma]
[Steatocystoma]
[Stevens-Johnson Syndrome]
[Stewart-Treves Syndrome]
[Sweet's Syndrome]
[Syphilis, primary]
[Syphilis, secondary]
[Systemic Lupus Erythematosus (SLE)]
T
[Thrush]
[Tinea]
[Tinea Capitis]
[Tinea Corporis]
[Tinea Cruris]
[Tinea Faciale]
[Tinea Imbricata]
[Tinea Manuum]
[Tinea Pedis]
[Tinea Unguium]
[Tinea Versicolor]
[Thermage]
[Toxic Erythema]
[Trichotillomania]
[Tuberous Sclerosis]
U
[Ulcer, oral]
[Ulcer, skin]
[Urticaria]
V
[Varicella]
[Vasculitis]
[Viral Exanthem]
[Vitiligo]
W
[Wart]
[Wiskott-Aldrich Syndrome]
X
[Xanthoma]
Z
[Zyderm I]
[Zyderm II]
[Zyplast]
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Corn
What is a corn?
A corn is an area of thickened epidermis that results from
chronic friction or pressure. They appear as yellow or white papules. Corns are
very common, often occurring on the toes or heel. When they occur between the
toes, they are "soft corns" due to the presence of moisture. Many are
asymptomatic or are self-treated by patients. Medical care is usually only
sought if the corn results in pain.
With what can a corn be confused?
Plantar warts also occur on the foot and
can be confused with a corn. In the case of a corn, paring the lesion reveals
intact skin lines, distinguishing it from a wart.
How is a corn diagnosed?
A corn is diagnosed, sometimes after paring down the lesion. Biopsy
is not necessary.
How is a corn treated?
Reduction of the hyperkeratotic surface results in decreased
pain. This can be achieved by paring down the lesion with a scalpel or
through the use keratolytic agents such as salycilic acid. Any predisposing
condition, such as ill-fitting software, must be corrected. Sometimes surgical
correction of a deformity is required.
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Discounted Drugs
What is the prognosis for a corn?
A corn will not spontaneously resolve unless the predisposing
condition is removed; even then surgical or keratolytic therapy is usually
required to achieve resolution. Occasionally, infection may occur,
particularly in those with predisposing condition such as diabetic peripheral
neuropathy or arteriosclerosis.
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Date created 05/10/2007
Last updated
01/03/2009
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