1. Pathology
Roots & Lesions

2. Pathology roots & suffixes
Ung/o= nail
Py/o = pus
Scler/o= hard
Rhytid/o= wrinkle
Leuk/o= white
-rrhea = discharge
-ectomy=surgical removal
-genic= producing
-phagia=eating
-ia= infection
Write the words for- Nail biting, wrinkle removal, Pus producing, Hardening of skin,

3. Myc/o= fungus, mycosis Tinea capitas- ringworm
Tinea pedis- athlete’s foot

4. SPL/Photo Researchers, Inc.
Figure Tinea pedis
SPL/Photo Researchers, Inc. 4

5. Figure 7-6 Types of skin lesions.5

6. Primary lesions Result from a disease or infection INCLUDES: Macules
Papules
Pustules
Vesicles
Wheals
*Plaques

7. Secondary Lesions
Result from outside forces (environment, scratches, wounds, pressure, cancer)
INCLUDES
Laceration
Fissure
Ulcer
Crust

8. Pathology- Secondary lesion
fissure
Crack-like lesion on skin

9. Pathology – Secondary Lesions
laceration
torn or jagged wound

10. ulcer any open sore Cold sore Figure 7-11 Decubitus ulcer
Custom Medical Stock Photo, Inc.
Cold sore 10

11. Crust- scab

12. Pathology – Primary Lesions
macule
flat, dark spot on skin, melanin spot, <1cm

13. Acne- infection of sebaceous glands & hair follicles creating papules & pustules.
small, solid raised spot <1 cm (skin colored or red)
pustule
raised spot on skin containing pus, red/white top

14. Comedo- hardened sebum in follicle, acne

15. Table 7-1 Comparison of Acne Vulgaris and Acne Rosacea15

16. wheal
small, round, swollen area; typical of allergic skin reaction, red border

17. Pathology – Surface Lesions
vesicle
small, fluid-filled, raised spot; blister <1cm
Figure Shingles
Gill/Custom Medical Stock Photo, Inc.

18. Pathology of the Skin
abscess
collection of pus in skin

19. Diagnosis: case 106
Pt. discovered itchy bump behind L knee a day after retuning from camping. ~1cm.
Body region(s) affected?
Classify the lesion (primary or secondary)?
Type of lesion?
Describe the color, texture, and symptoms using medical terminology

20. Diagnosis-case 104
8 yr old boy taken to water park on daycare fieldtrip was not given sunscreen and refused to wear a shirt all day. Admitted to hospital for 2nd degree burns.
Body region(s) affected?
Classify the lesion (primary or secondary)?
Type of lesion?
Describe the color, texture, and symptoms using medical terminology

21. Case 31: 10 mo. old male Pt. CC= itchy red rash on front & back body
Case 31: 10 mo. old male Pt. CC= itchy red rash on front & back body. Intense scratching has caused some spots to become open sores that are forming scabs.
Body region(s) affected?
Classify the lesion (primary or secondary)?
Type of lesion?
Describe the color, texture, and symptoms using medical terminology

22. FYI- Not required
Nodule
Lump under skin, can occur in any organ, not red, > 1cm
2016- SKIP, extra information FYI only