Dermatitis

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Dermatitis
Atopic dermatitis. Image courtesy of Professor Peter Anderson DVM PhD and published with permission © PEIR, University of Alabama at Birmingham, Department of Pathology

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List of terms related to Dermatitis

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Dermatitis is a blanket term literally meaning "inflammation of the skin". It is usually used to refer to eczema, which is also known as Dermatitis eczema. There are several different types. Usually all of them have in common an allergic reaction to specific allergens.

Specific Types of Dermatitis

(ICD-10 codes are provided where available.)

Cercarial dermatitis (B65.3)
Dermatitis herpetiformis (L13.0)
Atopic dermatitis (L20)
Seborrhoeic dermatitis (L21)
Contact dermatitis (L23-L25)
- Urushiol-induced contact dermatitis (L23.7)
Nummular dermatitis (L30.0)
Dyshidrotic dermatitis (L30.1)

External Links

NIH/Medline

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Diseases of the skin and subcutaneous tissue (integumentary system) (L, 680-709)

Infections

Bacterial skin disease	Staphylococcus (Staphylococcal scalded skin syndrome, Impetigo, Boil, Carbuncle) · Strep (Impetigo) · Corynebacterium (Erythrasma)
Viral skin disease	Wart · Molluscum contagiosum · Erythema infectiosum · Exanthema subitum · Herpes simplex (Herpetic whitlow)
General	Cellulitis (Paronychia) · Acute lymphadenitis · Pilonidal cyst · Pimple (Pustule)

Bullous disorders

acantholysis (Pemphigus, Transient acantholytic dermatosis) · Pemphigoid (Bullous, Cicatricial, Gestational) · Dermatitis herpetiformis

Inflammatory

Dermatitis and eczema	Atopic dermatitis · Seborrhoeic dermatitis (Dandruff, Cradle cap) · Contact dermatitis (Diaper rash, Urushiol-induced contact dermatitis) · Erythroderma · Lichen simplex chronicus/Prurigo nodularis · Itch (Pruritus ani) · Nummular dermatitis · Dyshidrosis · Pityriasis alba
Papulosquamous disorders	Psoriasis (Psoriatic arthritis) · Parapsoriasis (Pityriasis lichenoides et varioliformis acuta, Pityriasis lichenoides chronica, Lymphomatoid papulosis) · other pityriasis (Pityriasis rosea, Pityriasis rubra pilaris) · other lichenoid (Lichen planus, Lichen nitidus)
Urticaria	Dermatographic urticaria · Cold urticaria · Cholinergic urticaria
Erythema	Erythema multiforme/drug eruptions: Stevens-Johnson syndrome · Toxic epidermal necrolysis · Erythema nodosum Other erythema: Erythema annulare centrifugum · Erythema marginatum · Necrolytic migratory erythema · Erythema toxicum

Radiation-related disorders

Sunburn · actinic rays (Actinic keratosis, Actinic cheilitis) · Polymorphous light eruption (Acne aestivalis) · Radiodermatitis · Erythema ab igne

Pigmentation disorder

hypopigmentation (Albinism, Vitiligo) · hyperpigmentation (Melasma, Freckle, Café au lait spot, Lentigo/Liver spot, Acanthosis nigricans, Acral acanthotic anomaly)

Other skin

keratosis/hyperkeratosis (Seborrheic keratosis, Callus) · other epidermal thickening (Ichthyosis acquisita, Palmoplantar keratoderma)

skin ulcer (Pyoderma gangrenosum, Bedsore)

Cutaneous Markers of Internal Malignancy (Florid cutaneous papillomatosis, acanthosis nigricans, sign of Leser-Trelat)

atrophic (Lichen sclerosus, Acrodermatitis chronica atrophicans)

necrobiosis (Granuloma annulare, Necrobiosis lipoidica) · other granuloma (Granuloma faciale, Pyogenic granuloma)

cutaneous vasculitis (Livedoid vasculitis, Erythema elevatum diutinum)

Connective tissues

collagen disease: Keloid
localized connective tissue disorders: Lupus erythematosus (Discoid lupus erythematosus, Subacute cutaneous lupus erythematosus) · Scleroderma/Morphea · Linear scleroderma · Calcinosis cutis · Sclerodactyly · Ainhum

see also congenital, neoplasia

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Inflammation

Acute

Plasma derived mediators	Bradykinin - complement (C3, C5a, MAC) - coagulation (Factor XII, Plasmin, Thrombin)
Cell derived mediators	preformed: Lysosome granules - vasoactive amines (Histamine, Serotonin) synthesized on demand: cytokines (IFN-γ, IL-8, TNF-α, IL-1) - eicosanoids (Leukotriene B4, Prostaglandins) - Nitric oxide - Kinins

Chronic

Macrophage - Epithelioid cell - Giant cell - Granuloma

Processes

Traditional: Rubor - Calor - Tumor - Dolor - Functio laesa
Modern: Acute-phase reaction - Chemotaxis - Fever - Pain - Vascular permeability - Vasodilation

Specific types

Cardiovascular	Endocarditis - Myocarditis - Pericarditis - Vasculitis (Arteritis, Phlebitis)
Digestive	mouth (Stomatitis, Gingivitis, Gingivostomatitis, Glossitis, Tonsillitis, Sialadenitis/Parotitis) - tract (Esophagitis, Gastritis, Gastroenteritis, Enteritis, Colitis, Enterocolitis, Duodenitis, Ileitis, Appendicitis, Proctitis) - accessory (Hepatitis, Cholangitis, Cholecystitis, Pancreatitis) - Peritonitis
Musc./int.	Arthritis - Bursitis - Dermatitis (Folliculitis) - Dermatomyositis - Epicondylitis - Fasciitis - Fibrositis - Hidradenitis - Mastitis - Myositis - Osteitis - Synovitis - Tendinitis
Nervous	Encephalitis - Meningitis - Myelitis - Otitis - eye (Blepharitis, Conjunctivitis, Dacryoadenitis, Iritis)
Respiratory	upper (Sinusitis, Rhinitis, Pharyngitis, Laryngitis) - lower (Tracheitis, Bronchitis, Bronchiolitis, Pneumonitis, Pleuritis)
Reproductive	female: Cervicitis - Chorioamnionitis - Endometritis - Oophoritis - Salpingitis - Uveitis - Vaginitis - Vulvitis - Parametritis male: Epididymitis - Prostatitis - Orchitis newborn: Omphalitis
Urinary	Nephritis (Glomerulonephritis, Pyelonephritis) - Ureteritis - Cystitis - Urethritis