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Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lentigo?

“Because lentigines are larger and more variegated than true freckles, they are not uncommonly biopsied to exclude melanocytic dysplasia or radial growth phase melanoma, such as lentigo maligna.” Murphy G. Melanocytic tumors. In: Derma…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Necrobiosis?

…ominant, sporadic, and acquired forms have been described. The papules overly a focus of necrobiotic collagen, which is eventually extruded through an umbilication of the papule, which then resolves.” Stricklin GP. Diseases of collagen and ela…

Histologic Diagnosis of Inflammatory Skin Diseases

Grover’s disease

…etimes so numerous as to be set close. Individual lesions Pink papules and, uncommonly, papulovesicles Course Sometimes weeks, i.e., transient, but more often months and years, i.e., persistent Variations clinical Keratotic papules occur in the Darie…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Inverted Follicular Keratosis, Tricholemmoma, and Desmoplastic Tricholemmoma?

“For about the last 8 years my associates and I have been observing a lesion—a keratosis—which occurs mostly on the face: I should say about 90 percent on the face, the remainder on other parts of the body. These lesions are characterized cli…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Figurate Erythemas?

“Erythema in Patches and Figured Erythema—These consist of congestive spots, patches, or surfaces of irregular shape, discoidal or of variable configuration (erythema marginatum or annulare, etc.). Although sometimes infectious, this t…

Histologic Diagnosis of Inflammatory Skin Diseases

Mycosis fungoides

Mycosis fungoides Synonyms Cutaneous T-cell lymphoma Presentation stereotypical Age and Sex Adults usually, although children may be affected. Males preponderant. Distribution of lesions Often widespread, but sometimes localized to a single patch or…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Hyalin?

“With the high power the hyaline is seen in very varied forms, which all show the same fuchsin red reaction. The first forms a section by itself; it comprises hyaline balls of different size, which lie free between the epithelial cells, and w…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Papulosquamous Diseases?

“Papulosquamous eruptions A large group of common dermatoses present themselves primarily as a papule, with more or less scaling. The diagnosis of the members of this group of diseases is often apparent on simple inspection, or they may be d…

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