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PPT : Practical Approach to Dermatology

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*Demonstrate a practical approach to the diagnosis of skin conditions using pattern recognition
* review dermatology patterns by:
o viewing multiple images
o distinguishing between common and uncommon patterns
o observing local and regional morphologya
Secondary (Sequential) Lesions
Strategies for Diagnosis
* Use magnification
* Feel lightly
* Palpate deeply
* Distribution
* Local patterns – groups, rings, lines
Looking for clues beyond the rash
* Look at nails, hair, mucus membranes, hands, feet
o nail pitting for psoriasis
o scalp may be clue to seborrhea elsewhere
o lichen planus may show a white lacy pattern in the mouth
o fungal infection on the feet with ID reaction on the hand
Think Pathophysiology
* Infections
* Inflammatory Processes – dermatitis, seborrhea
* Acne and related disorders
* Immunologic
* Benign and premalignant growths
* Malignancies
Bacterial infections of skin
* Impetigo, cellulitis, abscess
* Folliculitis
* Furuncle, carbuncle, abscess
* Necrotizing fasciitis
* Erythrasma,
* pitted keratolysis
Impetigo
* superficial skin infection of the epidermis
* characterized by translucent (“honey”) crusts
* caused by S. aureus and strep. pyogenes (GABHS)
* Cephalexin and Dicloxacillin
* Bactroban topical
Ecthyma and Bullous Impetigo
* Two variations of impetigo
* Ecthyma has a ulcerated “punched-out” base
* Bullous impetigo is more often caused by S. aureus

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PPT : Practical Approach to Dermatology.ppt


PPT : Practical Approach to Dermatology Category : Dermatology
Source : familymed.uthscsa.edu
File Size : 4.52 Mb
Language : English
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