IDENTIFICATION OF LESION 1.pptx for nursing

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1. IDENTIFICATION OF LESION N.DIVYA THAMARAI TUTOR

2. SKIN ANATOMY AND PHYSIOLOGY Skin is the largest organ of the body It has 3 layers Epidermis Dermis Subcutaneous

3. Function Protection Sensation Endocrine Excretion Immunity Regulate temperature Fluid balance

4. Physical examination Assessing skin color Assessing rash Assessing skin lesion

5. Primary lesions Macule Flat , non palpable skin color change <1cm circumscribed border

6. Patch >1cm May have irregular border

7. Papule Elevated ,palpable solid mass with circumscribed border <0.5cm

8. Plaque Coalesced papule with flat top >0.5cm

9. Nodule Elevated ,palpable ,solid mass that extends deeper into the dermis than papule 0.5-2cm

10. Tumor Abnormal mass of tissue 1-2cm Eg .carcinoma

11. Vesicle Circumscribed ,elevated ,palpable mass containing serous fluid . <0.5 cm Eg .Herpes zoaster

12. Bullae Vesicle ,more than 0.5cm Eg.Pemphigus

13. Wheal Elevated mass with transient border,often irregular size and color vary Caused by movement of serous fluid into the dermis ,does not contain free fluid Eg . Urticaria and insect bite

14. Pustule Pus filled vesicle or bullae Eg.Acne ,impetigo

15. Cyst Encapsulated fluid filled or semisolid mass in the subcutaneous tissue Eg . Epidermoid cyst

16. Secondary lesions Results from changes in primary lesions Resulting from external trauma , infection,scratching

17. Erosions Loss of superficial epidermis that does not extend to dermis ,depressed and moist areas. Eg . Ruptured Vesicle

18. Ulcer Skin loss extending epidermis ,bleeding and scaring

19. Fissures Linear crack in the skin that may extend to dermis

20. Crust Dried residue of serum ,blood or pus on skin surface

21. Scar Skin mark left after healing of a wound or region Young scar –red and purple Mature –white or glisterring

22. Vascular lesions Petechiae Round, red or purple macules Secondary to blood extravasation associated with bleeding , tenderness or emboli to skin

23. Ecchymosis Round or irregular macular lesion ,larger than petechia Color varies and changes black,yellow and green Associated with trauma,bleeding tendencies

24. Cherry angioma Papular and round ,red or purple Noted on trunk ,extremities ,may blanches with pressure