Search Results for: macule

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…rophicus, lichen simplex chronicus, and lichen myxedematosus. MACULE [L. macula (spot)]: A small, flat, nonpalpable spot on the skin, up to 1.0 cm in size, and of a color different from that of the surrounding normal skin. A larger analogue of a macu…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lentigo Maligna?

…of sunlight, especially skin of the face. Clinically, it is a macule or patch of melanoma. Histopathologically, it is melanoma in situ, i.e., neoplastic melanocytes of melanoma are confined to epidermal and adnexal epithelia. Biologically it may even…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…red at high magnification, it would be difficult to exclude a macule/patch of mycosis fungoides. Because spongiotic changes are present in so few loci and there are no elongated mounds of parakeratosis, it may be inferred, correctly, that this is a l…

Dermatology Practical & Conceptual

Saved by step sections: an unusual presentation of basal cell carcinoma

…escribe a young female patient with an enlarging erythematous macule on the pubic region that was diagnosed as superficial basal cell carcinoma. There was no clinical suspicion of malignant neoplasia, however, that diagnosis was possible by performin…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Dermatofibroma?

…atory, rather than a neoplastic, process. It begins as a pink macule that quickly becomes a red papule and sometimes even a red or purple nodule. In time the domed lesion becomes brown, and, in the course of years, it slowly but surely flattens into…