Search Results for: crust

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Differential Diagnosis in Dermatopathology

Discussions

…ated capillaries in dermal papillae spiral close to the base of the epidermis. In dyshidrotic dermatitis, by contrast, scale-crusts are not arranged in periodic fashion, and unless there are evidences of excoriation, they do not contain neutrophils;…

Regressing basal-cell carcinioma masquerading as benign lichenoid keratosis

Regressing basal-cell carcinioma masquerading as benign lichenoid keratosis

…rthokeratosis, mounts of parakeratosis, acanthosis, elongated rete ridges, sawtooth pattern of rete ridges and presence of a crust. Each of those criteria was assessed in four grades, from absent (0), to weak (+), moderate (++), and marked (+++)….

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema multiforme

…dark-skinned individuals Re-epithelialization of the epidermis beneath a subepidermal blister Slight parakeratosis or scale-crust sometimes Correlation clinicopathologic Macules result from spongiosis, ballooning, and a superficial perivascular…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Psoriasis Nummular Dermatitis 1. Confluent parakeratosis 1. Focal scale-crust 2. Granular zone mostly absent 2. Granular zone mostly present 3. Psoriasiform acanthosis with rete ridges of even length; some rete ridges thinned and some of those…

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