Download pathology_lesions

Roots & Lesions
Pathology roots & suffixes
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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
Myc/o= fungus, mycosis
• Tinea capitas- ringworm
• Tinea pedis- athlete’s foot
Figure 7-14 Tinea pedis
SPL/Photo Researchers, Inc.
Figure 7-6 Types of skin lesions.
Primary lesions
• Result from a disease or infection
• INCLUDES:
– Macules
– Papules
– Pustules
– Vesicles
– Wheals
– *Plaques
Secondary Lesions
• Result from outside forces (environment,
scratches, wounds, pressure, cancer)
• INCLUDES
• Laceration
• Fissure
• Ulcer
• Crust
Pathology- Secondary lesion
fissure
Crack-like lesion on skin
Pathology – Secondary Lesions
laceration
torn or jagged wound
ulcer
any open sore
Figure 7-11 Decubitus ulcer
Custom Medical Stock Photo, Inc.
Cold sore
Crust- scab
Pathology – Primary Lesions
macule
flat, dark spot on skin, melanin spot,
<1cm
Acne- infection of sebaceous glands & hair
follicles creating papules & pustules.
papule
pustule
small, solid raised spot <1 cm (skin colored
or red)
raised spot on skin containing pus,
red/white top
Comedo- hardened sebum in follicle,
acne
Table 7-1 Comparison of Acne Vulgaris and Acne Rosacea
wheal
small, round, swollen area; typical of
allergic skin reaction, red border
Pathology – Surface Lesions
vesicle
small, fluid-filled, raised spot; blister <1cm
Figure 7-13 Shingles
Gill/Custom Medical Stock Photo, Inc.
Pathology of the Skin
abscess
collection of pus in skin
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
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
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.
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Body region(s) affected?
Classify the lesion (primary or secondary)?
Type of lesion?
Describe the color, texture, and symptoms using medical terminology
FYI- Not required
Nodule
Lump under skin, can occur in any organ,
not red, > 1cm