Cutaneous Manifestations of Renal Disease Stephanie Blackburn OMS IV OU-HCOM.

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Presentation transcript:

Cutaneous Manifestations of Renal Disease Stephanie Blackburn OMS IV OU-HCOM

Types of Skin Changes 1.Cutaneous manifestation of renal failure- the skin changes that nearly all renal patient have 2.Systemic diseases with prominent renal and cutaneous manifestations (eg. HSP) 3.Diseases that affect the kidney in which skin biopsy may be helpful in making the diagnosis, even without prominent cutaneous findings (eg. Primary systemic amyloidosis)

Chronic Renal Failure Changes in cutaneous pigmentation (70%)Nail changes (66%) -Yellowish tinge (40%)-Half-and-half nails (39%) -Hyperpigmentation of palms and soles (30%) -Pale nails (23%) -Hyperpigmentation diffuse/photodistributed (22%) -Splinter hemorrhages (11%) -Pallor (8%) Cutaneous Infections (70%) -Onychomycosis (52%) -Tinea Pedis (25%) Xerosis (dry skin) Most Pruritis (63%) Keratotic pits of palms/soles (14%) Perforating disorder (4%) Finger Pebbles (86%) Calcinosis cutis (1%)

Skin FindingsColorDistributionEtiology Uremic FrostWhiteFace, nostrils, neckDeposition of crystallized urea from sweat PallorYellowishGeneralizedAnemia, urochrome deposition HyperpigmentationBrownPhotodistributed or generalized Increased β-melanocyte stimulating hormone d/t decreased metabolism by diseased kidneys. Increased amounts of melanin present in the basal layer of epidermis and superficial dermis BruisingRed- purple- green- yellow- brown Sites of traumaHemostatic abnormalities

Uremic Frost Classic manifestation of chronic renal failure. Whitish deposits about the face and neck. Hypothesized to be due to deposition of crystallized urea from sweat.

What are half-and-half nails? Proximal half of nail is white and distal portion retains the normal pink color. Thought to be due to edema of nail bed.

Muehrcke’s Nails Associated with hypoalbuminemia and have two transverse parallel white bands, separated from each other and from the lunula by areas of normal pink nail

Acquired Perforating Dermatosis of Chronic Renal Failure 1.Kyrle’s disease 1.Abnormal clone of keratinocytes that perforates through the epidermis down into the dermis 2.Reactive perforating collagenosis 1.Disease in which presumably abnormal collagen is being extruded from the dermis through the epidermis 3.Perforating folliculitis 1.Follicular plugs and curled-up hairs that perforate through the follicle into the dermis 4.Calcinosis Cutis 1.Deposition of insoluble calcium in the skin

Kyrle’s Disease

Reactive Perforating Collagenosis

Perforating Folliculitis

Calcinosis Cutis

Five vasculitic diseases that frequently affect skin and kidneys 1.Leukocytoclastic vasculitis 2.Henoch-Schӧnlein purpura 3.Polyarteritis nodosa 4.Microscopic polyarteritis: p-ANCA 5.Wegener’s granulomatosis: c-ANCA

Nephrogenic Fibrosing Dermopathy Nephrogenic systemic fibrosis- thickened or edematous skin that primarily affects the extremities and trunk Nephrogenic systemic fibrosis always occurs in patients with renal insufficiency who have had imaging studies (eg, magnetic resonance angiography) with gadolinium In severe cases there may be restriction of movement or disabling contracture of the joints Increased numbers of fibroblasts and mucin in early lesions with marked fibrosis in later lesions.

Nephrogenic fibrosing dermopathy on the abdomen, demonstrating a peau d'orange appearance

References Dermatology Secrets in Color- Third Edition James E. Fitzpatrick, Joseph G. Morelli dermatlas