| Written by Dr.Md.Redwanul Huq (Masum) |
| Tuesday, 22 January 2013 04:33 |
Causes of skin diseases–
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 –
1. Pityriasis versicolor
b) Cutaneous infection –
1. Candidiasis
2. Dermatophytosis
c) Subcutaneous infection –
1. Sporotrichosis
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-
1. Seborrhoeic keratosis
ii) Malignant-
1. Squamous cell carcinoma
2. Basal cell carcinoma.
