Common terms in dermatology

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770aky
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213421
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Common terms in dermatology
Updated:
2013-04-14 21:05:13
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dermatology
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dermatology
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  1. macule
    tinea versicolor


    pigmented or erythematous flat lesion on epidermis
  2. papule
    acne vulgaris


    peaked or dome-shaped surface elevation <5mm in diameter
  3. nodule
    basal cell carcinoma


    elevated dome shaped lesion >5mm in diameter
  4. plaque
    psoriasis


    flattened, elevated area on epidermis >5mm in diameter
  5. vesicle
    varicella (chickenpox)


    fluid filled blister <5mm in diameter
  6. bulla
    bullous pemphigoid


    fluid filled blister>5mm in diameter
  7. pustule
    fluid-filled blister with inflammatory cells


    impetigo
  8. wheal (hive)
    urticaria


    edematous, transient papule or plaque caused by inflitration of dermis by fluid
  9. scales
    seborrheic dermatitis


    excessive dead keratinocytes produced by abnormal keratiniztion
  10. hyperkeratosis
    psoriasis


    increased thickness of stratum corneum; scaly appearance of skin
  11. parakeratosis
    psoriasis


    persistence of nuclei in stratum corneum layer
  12. papillomatosis
    verruca vulgaris


    spire like projections from surface of skin to papillary dermis
  13. acantholysis
    pemphigus vulgaris

    loss of cohesion between keratinocytes
  14. erythema
    red discoloration of skin. RBC in vessels. Blanching.
  15. petechiae
    Small spots (<2mm) caused by hemorrhage into the skin. Non-palpable. Non-blanching.
  16. purpura
    Skin lesions (2-10mm) caused by hemorrhage into the skin.  +/- inflamation; +/- palpable. Non-blanching. Red->purple->brown/yellow.
  17. Ecchymosis
    purple skin lesions (>10mm) caused by hemorrhage into the skin (bruise). Non-palpable.
  18. Eschar
    Burns, rickettsia akari.

    Thick coagulated crust.
  19. Rash from hands/feet->trunk
    Pattern of rash for RMSF
  20. Rash from extremities to trunk
    • Rash pattern:
    • Small pox
    • Kawasaki's disease
  21. Rash in lower extremities
    Rash of neisseria meningitidis
  22. Rash from hairline and spreads downwards
    Rash of measles (rubeola)
  23. Rash from neck to trunk (scarlatina).
    rash of scarlet fever (GAS-S. pyogenes).
  24. rash from head to trunk to extremities
    varicella (VZV) rash pattern

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