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Differential diagnosis for annular plaques BY: Mohammed Alsaidan.

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Presentation on theme: "Differential diagnosis for annular plaques BY: Mohammed Alsaidan."— Presentation transcript:

1 Differential diagnosis for annular plaques BY: Mohammed Alsaidan

2 Infectious Fungal : e.g. tinea corporis Bacterial: Leprosy (borderline) Lupus vulgaris Erysipeloid Spirochetal : Secondary Syphilis Lyme disease Parasitic : Cutaneous larva migrans

3 Allergic Nummular Eczema Lichen simplex chronicus Polymorphous light eruption Seborrheic dermatitis

4 Idiopathic Discoid lupus Erythema annular centrifugum Erythema multiforme Granuloma annulare Granuloma faciale Jessner’s lymphocytic infiltrate Annular lichen planus Papular mucinosis Lichen sclerosus et atrophicas morphea

5 Idiopathic Alopeia mucinosa Actinic granuloma Nerobiosis lipodica diabeticorum Psoriasis Parapsoriasis Herald patch Sarcoidosis

6 Neoplastic Benign: Lymohocytoma cutis Premalignant: Bowen’s disease Malignant: BCC Lymphoma MF

7 Others Medications: Fixed drug eruption Vascular: Urticaria Congenital : porokeratosis of mibelli


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