See Classification of Pigmented Lesions

See Classification of Pigmented Lesions

…sis of the nipple Benign neoplasms Solar lentigo, including lichen planus-like keratosis Seborrheic keratosis Malignant neoplasms Basal cell carcinoma, pigmented Solar keratosis, pigmented Melanocytic lesions Benign Melanosis Simple lenti…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

Lichen planus Lichen planus-like keratosis 1. Compact orthokeratosis; no parakeratosis usually 1. Orthokeratosis, often compact, and focal parakeratosis 2. Granular zone thickened focally and in wedge shape 2. Granular zone thickened and thinn…

Differential Diagnosis in Dermatopathology

Pale-cell acanthoma vs. Psoriasis, plaque expression

…oided the use of trite expressions that abound in dermatology, like “silvery scales” for psoriasis, “footprints in the snow” for lichen planopilaris of the scalp, and “salmon color” for pityriasis rosea. Those banalities are not helpful to an inquisi…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Focus of Infection?

…ose considered in some relation with neuropathy:            1, lichen planus; 2, lichen simplex (Vidal); 3, herpes simplex; 4, herpes zoster; 5, eczema (neurotic); 6, alopecia areata; 7, dermatitis herpetiformis; 8, scleroderma; 9, vitiligo. Group 3:…

Histologic Diagnosis of Inflammatory Skin Diseases

Hand-foot-and-mouth disease

…ous membranes, e.g., erythema multiforme, fixed drug eruption, lichen planus, cicatricial pemphigoid, and pemphigus vulgaris. In the case of diseases such as erythema multiforme and fixed drug eruption, blisters in the skin may form within the epider…