Classification of skin diseases

Written by Dr.Md.Redwanul Huq (Masum)
Tuesday, 22 January 2013 08:38

Classification of skin diseases is given below-

1. Infective diseases:

i) Bacterial infection:

a) Streptococcal-
1. Impetigo
2. Cellulitis
3. Erysipelas
b) Staphylococcal-
1. Boil or furuncle
2. Abscess
3. Carbuncle
4. Scalded skin syndrome
c) Mycobacterium-
1. Leprosy
2. Lupus vulgaris

ii) Viral infection:

a) Herpes simplex infection
b) Chicken pox

iii) Fungal infection:

a) Superficial infection –
Pityriasis versicolor
b) Cutaneous infection –
1. Candidiasis
2. Dermatophytosis
c) Subcutaneous infection –
d) Deep infection –
1. Cryptococcosis
2. Histoplasmosis

iv) Parasitic infestation:

a) Scabies
b) Dermal leishmaniasis
c) Filariasis

2. Non infective diseases:

i) Eczema:

a) Exogenous
1. Allergic contact dermatitis
2. Irritant contact dermatitis
b) Endogenous
1. Atopic dermatitis
2. Seborrhoeic dermatitis

ii) Lichenoid disease:

Lichen planus

iii) Papulosquamous disease:

a) Psoriasis
b) Pityriasis

iv) Metabolic:

i) In DM – Diabetic bullae, Diabetic foot, secondary infection
ii) Amyloidosis

v) Autoimmune diseases:

a) Blistering disease-
1. Perphigus vulgaris
2. Bullous pemphigoid
b) Connective tissue diseases-
1. SLE
2. Discoid lupus erythematosis
3. Scleroderma

vi) Deficiency diseases:

i) Pellagra – in niacin deficiency
ii) Scurvy – in vitamin C deficiency

vii) Endocrine diseases:

i) Addison’s disease
ii) Cushing’s syndrome
iii) Hyperthyroidism
iv) Hypothyroidism

viii) Pilosebaceous follicle disease:

i) Acne
ii) Rosacea

ix) Pigment disorders:

i) Hyperpigmentation – melanoma
ii) Hypopigmentation – vitiligo, albinism

x) Neoplastic:

i) Benign-
Seborrhoeic keratosis
ii) Malignant-
1. Squamous cell carcinoma
2. Basal cell carcinoma.

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