Pathology of the Skin

Spongiotic and psoriasiform dermatitis; interface and lichenoid dermatitis; intraepidermal vesicular, bullous and pustular dermatitis; subepidermal bullous dermatitis; perivascular and interstitial dermatitis; vasculitis; nodular and diffuse dermatitis; granulomatous dermatitis; histiocytic and Langerhans cell reactions; panniculitis; viral infections; bacterial infections; Rickettsial and chlamydial infections; myobacterial infections; spirochetal infections; protozoa, algae, helminth and myasis infections and infestations; fungal infections; bites and infestations; physical injuries; noninflammatory disorders; fibrous tissue disorders and neoplasms; elastic tissue disorders; cutaneous deposits; perforating disorders; alterations in pigmentation; inflammatory reactions of the folliculosebaceous unit; alopecias; inflammatory reactions of the sweat gland unit; mucous membrane disorders; benign epidermal neoplasms; precancerous and malignant neoplasms of the epidermis; follicular disorders; sebaceous proliferous disorders; sweat gland disorders; benign melanocytic neoplasms; malginant melanocytic neoplasms; neural and neuroendocrine neoplasms; vascular disorders; smooth muscle and adipose disorders; metastatic neoplasms; lymphomas; cysts; drug eruptions.