Criteria – Sweet’s syndrome

Criteria – Sweet’s syndrome

Sweet’s syndrome:   Diagnostic criteria for  classical and malignancy associated types: Needs 2 major and more than or equal to 2 of the four minor criteria Major: Abrupt onset of typical lesions HPE consistent with sweet’s syndrome (showing dense neutrophilic infiltrate without evidence of leukocytoclastic vasculitis) Minor: Fever >38 degree celsius Abnormal lab values (any […]

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 Criteria – Atopic dermatitis

Criteria – Atopic dermatitis

Atopic Dermatitis: The criteria proposed by Hanifin and Rajka in 1980 are considered to be the gold standard for the clinical diagnosis of AD. Major criteria – must have more than or equal to 3 Pruritus Typical morphology and distribution of lesions 2a. Extensor or face involvement in infants and children 2b. Flexural lichenification if […]

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Dermoscopy of Pyogenic Granuloma

Previous Next Pyogenic granuloma – AKA Lobular capillary hemangioma/ Granuloma Pyogenicum/ Granuloma telangiectaticum Dermoscopic features: Characterised by Homogenous reddish or reddish white areas Surrounded by a white collarette White lines (referred to as white rail lines) Histopathologically,  The homogenous reddish/reddish white areas – corresponds to the proliferating vessels seen as lobules White collarette surrounding the […]

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Juvenile plantar dermatosis

A 10 year old boy C/ O scales and fissures in the foot for 2 yrsH/ O exacerbation during winterH / O itching+No h / O oozingNo h/ O fluid filled lesionsNo h/ O suggestive of atopy On dermatological examination of B/ L soles:Fissure & scaling with erosions involving the plantar surface of b / […]

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Dermoscopic features of Pityriasis rubra pilaris (PRP)

Dermoscopic features of Pityriasis Rubra Pilaris: The popular lesions of classical type of PRP show oval or round yellowish structures surrounded by vessels of varied morphology and often centered by central keratin plugs. The palms plantar keratoderma of PRP shows structureless orange areas Circumscribed juvenile type – on the elbows and knees displays whitish keratotic […]

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Dermoscopic features of Lichen planus

Dermoscopic features in Lichen planus: The most characteristic feature of lichen planus seen in dermoscopy is Wickham striae which histopathologically corresponds to hypergranulosis.  They appear typically white in colour but may also appear blue in dark skinned people. Various morphologies of wickham striae are seen – like leaf venation, radial, linear, globular etc., But white […]

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 Dermoscopic Features of Psoriasis

Dermoscopic Features of Psoriasis

Previous Next Dermoscopy in Psoriasis can be very useful – because it displays repetitive features. Dermoscopic features of Psoriasis: Uniformity distributed dotted red vessels which histopathologically corresponds to the dilated capillaries found in the elongated dermal papillae A light/dull red background Diffuse white scaling ( histologically corresponding to parakeratosis. These 3 features combined has good […]

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 Paradoxes in Dermatology and STD

Paradoxes in Dermatology and STD

Paradoxes in Dermatology and STD In Dermatology: TNF-alpha inhibitors – Psoriasis Topical calcineurin inhibitors – Rosaceae Methotrexate – Crusted scabies Clofazimine – Erythema dyschromicum perstans Chloroquine – Photosensitivity Chloroquine – Lichenoid drug eruption D-penicillamine – Pseudoscleroderma Isotretinoin – Acne fulminans Potassium iodide – erythema nodosum Steroids – Allergic Contact Dermatitis Anti-leprosy treatment – Lepra reactions […]

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