Search Results for: itch-scratch sequence

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Histologic Diagnosis of Inflammatory Skin Diseases

Images

…site is the case in nodular vasculitis, where the arteritis induces extensive fat necrosis in adjacent lobules, followed, in sequence, by suppuration, granulomatous inflammation, and fibrosis. 10.84.2A: Vasculitis, large-vessel, mixed-cell +…

Sperling LC, Cowper SE, Knopp EA. An Atlas of Hair Pathology with Clinical Correlations. Second edition. New York & London: Informa Healthcare, 2012

Sperling LC, Cowper SE, Knopp EA. An Atlas of Hair Pathology with Clinical Correlations. Second edition. New York & London: Informa Healthcare, 2012

…r the next edition, should there ever be one, include a series of photos or drawings showing the phases of the hair cycle in sequence in the normal hair anatomy chapter. This seems to be a confusing concept that could be easily illustrated. I would…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…in a thinned infundibulum that in loci no longer in contiguity with adjacent dermis = Keratosis pilaris The changes are a consequence of steadily increasing pressure applied by a plug of cornified cells against infundibular epidermis, thereby…

Histologic Diagnosis of Inflammatory Skin Diseases

Definition of Inflammation in Historical Perspective

…ccur only in tissue that is vascularized. Following injury to the skin, an organ that is vascularized richly, there ensues a sequence of responses of blood vessels of small caliber (transient vasoconstriction, arteriolar dilation, increased rate of…

Histologic Diagnosis of Inflammatory Skin Diseases

Scrofuloderma

…i, transported by copious amounts of caseous necrosis, are carried to the surface of the skin through numerous sinuses. This sequence of events is a reflection of how depressed severely is the resistance immunologic of the host to tubercle bacilli….

Histologic Diagnosis of Inflammatory Skin Diseases

Cells That Mediate Inflammation (Inflammatory Cells)

…Because platelets usually cannot be identified with surety in sections stained by hematoxylin and eosin, they are not of consequence in diagnosis histopathologic of inflammatory skin diseases as that is set forth in the method advanced in this…

The order of things and the classification of melanoma

The order of things and the classification of melanoma

…are discovered every other week and a new, molecular-based classification is emerging. In the near future we will be able to sequence entire genomes of tumor cells. It is very likely that we will discover that every melanoma is unique on a molecular…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Anagen Effluvium?

…nly plucked hairs and not sections of tissue of biopsy specimens, it is unlikely that they were able to comprehend fully the sequence of changes histopathologic that occurred in follicles injured by chemotherapeutic drugs. The thinking of Kligman…

Histologic Diagnosis of Inflammatory Skin Diseases

Introduction

…ssue in preparation for interpretation of findings in sections of tissue by a histopathologist. It is an essential step in a sequence that includes (1) selection with care of one or more lesions to be sampled, (2) removal of the specimen by the…

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