Primary Skin Lesions by Aseem

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Descript about the various Primary lesions in Dermatology!

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Primary Skin Lesions by Aseem

  1. 1. PRIMARY SKIN LESIONS Dr Aseem Sharma Dermatology Resident
  2. 2. MACULE (L: Spot) Flat Non-palpable Alteration in Color No Change in Texture
  3. 3. MACULE Hypopigmented VITILIGO TUBEROUS SCLEROSIS Hyperpigmented NEUROFIBROMATOSIS EPHELIDS MONGOLIAN SPOTS Erythematous VIRAL / DRUG RASH Pupurae THROMBOCYTOPENIC PURPURA
  4. 4. MACULE
  5. 5. MACULE
  6. 6. MACULE
  7. 7. PAPULE (L. pimple) • Small • Solid • Elevated lesions • < 01 cm dia
  8. 8. PAPULE • Epidermal hyperplasia/ Extraenous infiltrates • SHAPE ACUMINATE (Follicular LP) DOME-SHAPED (M. contagiosum) FLAT TOPPED (Lichen Planus) PAPULO-SQUAMOUS (Guttate Psoriasis)
  9. 9. PAPULE • COLOUR WHITE (M. contagiosum) VIOLACEOUS (L. Planus) YELLOWISH (Xanthomatosis) FLESH COLOURED (A. sebaceum) BLUISH-BLACK (Malignant Melanoma)
  10. 10. PAPULE
  11. 11. PAPULE
  12. 12. PAPULE
  13. 13. PAPULE
  14. 14. PLAQUE • Solid • Plateau-like elevation • Large Surface Area • Coalescence/ Enlargmenent
  15. 15. PLAQUE • Psoriasis Vulgaris • Lichen Simplex Chronicus • Borderline Tuberculoid Leprosy
  16. 16. PLAQUE
  17. 17. PLAQUE
  18. 18. PATCH • Large Macule OR Plaque ?? • Rarely used
  19. 19. NODULE (L: small knot) • Solid • Raised • Round • 3D growth of Papule • Diff from papule in Depth • Tumour
  20. 20. NODULE • Epidermal (Nodular BCC/ Keratoacanthoma) • Dermal (Dermatofibroma) • Subcutaneous (Lipoma/ Eythema Nodosum)
  21. 21. NODULE
  22. 22. NODULE
  23. 23. NODULE
  24. 24. TUMOUR
  25. 25. WHEAL • ‘Urticaria / Hives’ • Evanescent • Elevated Lesion • With Erythema and Edema • Blanching • Dermographism (25%) • Angioedema
  26. 26. WHEAL Transient Vascular Reaction in Dermis  Vasodilation / Increased Capillary permeability  Extravasation of fluid from Capillaries  Edema
  27. 27. WHEAL
  28. 28. DERMOGRAPHISM
  29. 29. ANGIOEDEMA
  30. 30. VESICLE (L: bladder)/ BULLA (L: bubble) • Elevated lesion • Contains Clear Fluid • < 0.5 cm dia = VESICLE • > 0.5 cm dia = BULLA
  31. 31. VESICLE/ BULLA • Levels Stratum Corneum - Impetigo Contagiosum - Pemphigus Foliaceus Stratum Spongiosum - Contact Dermatitis - Pompholyx Stratum basale - Pemphigus Vulgaris Dermo-Epidermal Junction - Bullos Pemphigid - Dermatitis Herpetiformis
  32. 32. VESICLE/ BULLA
  33. 33. VESICLE/ BULLA
  34. 34. VESICLE/ BULLA
  35. 35. VESICLE/ BULLA
  36. 36. PUSTULE • Raised lesion • Elevated • Fluid-filled lesions • WBCs + Debris +/- Bacteria
  37. 37. PUSTULE • Pyoderma • Halogenoderma • 2° to Vesicular lesions (Herpes Zoster/ Varicella) • Acne Vulgaris • Pustular Psoriasis
  38. 38. PUSTULE
  39. 39. PUSTULE
  40. 40. PUSTULE
  41. 41. CYST • Sac containing liquid/ semisolid material • ‘Resilient feel’ TYPES - KERATINOUS Squamous ep Epidermis - PILAR Multilayered ep Hair Follicle
  42. 42. CYST
  43. 43. CYST
  44. 44. ABSCESS • Elevated lesion • Collection of pus under skin • Lack well-defined lining • Surrounding skin changes
  45. 45. ABSCESS
  46. 46. THANK YOU

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