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Primary Skin Lesions by Aseem
 

Primary Skin Lesions by Aseem

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Descript about the various Primary lesions in Dermatology!

Descript about the various Primary lesions in Dermatology!

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    Primary Skin Lesions by Aseem Primary Skin Lesions by Aseem Presentation Transcript

    • PRIMARY SKIN LESIONS Dr Aseem Sharma Dermatology Resident
    • MACULE (L: Spot) Flat Non-palpable Alteration in Color No Change in Texture
    • MACULE Hypopigmented VITILIGO TUBEROUS SCLEROSIS Hyperpigmented NEUROFIBROMATOSIS EPHELIDS MONGOLIAN SPOTS Erythematous VIRAL / DRUG RASH Pupurae THROMBOCYTOPENIC PURPURA
    • MACULE
    • MACULE
    • MACULE
    • PAPULE (L. pimple) • Small • Solid • Elevated lesions • < 01 cm dia
    • PAPULE • Epidermal hyperplasia/ Extraenous infiltrates • SHAPE ACUMINATE (Follicular LP) DOME-SHAPED (M. contagiosum) FLAT TOPPED (Lichen Planus) PAPULO-SQUAMOUS (Guttate Psoriasis)
    • PAPULE • COLOUR WHITE (M. contagiosum) VIOLACEOUS (L. Planus) YELLOWISH (Xanthomatosis) FLESH COLOURED (A. sebaceum) BLUISH-BLACK (Malignant Melanoma)
    • PAPULE
    • PAPULE
    • PAPULE
    • PAPULE
    • PLAQUE • Solid • Plateau-like elevation • Large Surface Area • Coalescence/ Enlargmenent
    • PLAQUE • Psoriasis Vulgaris • Lichen Simplex Chronicus • Borderline Tuberculoid Leprosy
    • PLAQUE
    • PLAQUE
    • PATCH • Large Macule OR Plaque ?? • Rarely used
    • NODULE (L: small knot) • Solid • Raised • Round • 3D growth of Papule • Diff from papule in Depth • Tumour
    • NODULE • Epidermal (Nodular BCC/ Keratoacanthoma) • Dermal (Dermatofibroma) • Subcutaneous (Lipoma/ Eythema Nodosum)
    • NODULE
    • NODULE
    • NODULE
    • TUMOUR
    • WHEAL • ‘Urticaria / Hives’ • Evanescent • Elevated Lesion • With Erythema and Edema • Blanching • Dermographism (25%) • Angioedema
    • WHEAL Transient Vascular Reaction in Dermis  Vasodilation / Increased Capillary permeability  Extravasation of fluid from Capillaries  Edema
    • WHEAL
    • DERMOGRAPHISM
    • ANGIOEDEMA
    • VESICLE (L: bladder)/ BULLA (L: bubble) • Elevated lesion • Contains Clear Fluid • < 0.5 cm dia = VESICLE • > 0.5 cm dia = BULLA
    • 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
    • VESICLE/ BULLA
    • VESICLE/ BULLA
    • VESICLE/ BULLA
    • VESICLE/ BULLA
    • PUSTULE • Raised lesion • Elevated • Fluid-filled lesions • WBCs + Debris +/- Bacteria
    • PUSTULE • Pyoderma • Halogenoderma • 2° to Vesicular lesions (Herpes Zoster/ Varicella) • Acne Vulgaris • Pustular Psoriasis
    • PUSTULE
    • PUSTULE
    • PUSTULE
    • CYST • Sac containing liquid/ semisolid material • ‘Resilient feel’ TYPES - KERATINOUS Squamous ep Epidermis - PILAR Multilayered ep Hair Follicle
    • CYST
    • CYST
    • ABSCESS • Elevated lesion • Collection of pus under skin • Lack well-defined lining • Surrounding skin changes
    • ABSCESS
    • THANK YOU