Search Results for: macule

A Clinical Atlas of 101 Common Skin Diseases

Seborrheic Keratosis, Including Solar Lentigo

A benign neoplasm of keratinocytes that consists of pigmented macules, papules, and plaques distributed on sun-exposed sites for a solar lentigo and the reticulated type of seborrheic keratosis, which represents a later stage of solar lentigo, and…

A Clinical Atlas of 101 Common Skin Diseases


…ocytes, granulomatous inflammation, and fibrosis. As is the case for other fibrosing dermatitides, such as scars and keloids, papules and nodules of dermatofibroma shrink in time and resolve as hyperpigmented macules, some of which even may be…

A Clinical Atlas of 101 Common Skin Diseases


An inflammatory process that is idiopathic and results in depigmentation of the skin consequent to loss of melanocytes from the epidermis, and in whitening of hair that follows loss of melanocytes from the bulb of follicles.

A Clinical Atlas of 101 Common Skin Diseases

Nevus Sebaceus

A hamartoma of epidermis, epithelial structures of adnexa, and presumably dermal elements, typified, when fully formed, by a papillated or verrucous yellowish plaque situated usually on the scalp. The condition may present itself as a solitary…

A Clinical Atlas of 101 Common Skin Diseases

Pemphigus Foliaceus

A blistering inflammatory disease in which acantholysis occurs in the upper part of the spinous zone or granular zone of the epidermis, the result of the process being flaccid blisters that give way to erosions and crusts accompanied by erythema….

A Clinical Atlas of 101 Common Skin Diseases

Melanocytic Nevi and Melanotic Macules

…gn neoplasms (“acquired” melanocytic nevi) of various specific types, all of which are composed of abnormal melanocytes and manifested clinically as lesions of different colors, shapes, and sizes, among them, macules and patches, papules…

A Clinical Atlas of 101 Common Skin Diseases

Fixed Drug Eruption

Circular orange-red-blue macule(s) or patch(es) that often becomes a papule(s) or plaque(s) and vesiculates, healing with hyperpigmentation, and that occurs repeatedly at the very same cutaneous and/or mucous membrane site(s), especially the…

A Clinical Atlas of 101 Common Skin Diseases

Nodular Vasculitis

An arteritis in the subcutaneous fat manifested clinically at first by one or more red nodules that, in time, become ulcerated and heal with scars, usually on the posterior aspect of the legs of short, thick-legged women. No cause is usually found,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology


…ed by psoralen UV therapy (PUVA freckles).” “The so-called ‘labial lentigo’ (‘labial melanotic macule’), a hyperpigmented macule of the lip, appears to be a related but distinguishable [from genital lentiginosis]…

Histologic Diagnosis of Inflammatory Skin Diseases

Applicable Terms

…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 macule is called a patch (Fig. 3.24). A macule can result from pigmentary abnormalities, such as increased melanin in the…