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