GERIATRIC DERMATOLOGY

BY

Girija charugundla. MD

SKIN CHANGES

• Intrinsic factors- decreased rate of epidermal turnover.

• Decreased activity of melanocytes, fibroblasts, langhans cells, sebaceous glands; increased collagen crosslinks

• Extrinsic factors – sun exposure , cigarettesmokig, weight gain

ITCHY SKIN

• Xerosis/ Asteotic Eczema

• Drug eruption

• Thyroid disease

• Diabetes

• Chronic renal or liver disease

• Lymphoma

• scabies

ASTEOTIC ECZEMA

• Low humidity- winter, use of heaters

• Over bathing

• Failure to use emollients

• Decreased sebum production – intrinsic aging

ASTEOTIC ECZEMA

• Erythematous ,scaly, xerotic patches and plaques commonly on distal extensor legs and arms , back and lower abdomen .

• May be generalized

Asteotic Eczema

Rosacea

• Etiology unknown• Fair skinned individuals• Often associated with sun damaged skin• Often associated with blepharitis.

Blepharoconjunctivitis• Trigger factors- sun, hest/cold, stres.

Strong emollieints, hot liquids, sspicy foods , alcohol beverages, chemical irritants

Rosacea

Scabies

• Sarcoptes scabies mite

• Pruritis may be absent in older patients or those with dementia

• Nursing home patients

• Clinical presentation: Burrows, excoriated papules– Crusted scabies

Seborrheic Dermatitis

Herpes Zoster

Seborrheic Keratosis

Multiple Seborrheic Keratoses

Solar/Actinic/Senile keratosis

Basal Cell Carcinoma

Squamous cell carcinoma

Superficial spreading melanoma

Lentigo maligna

Solar Lentigo