Search Results for: vesicle

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…necrosis of the epidermis follows on severe ballooning and reticular alteration that are accompaniments of an intraepidermal vesicle. 10.99.3A: Vasculitis, small vessel, neutrophilic + 10.99.3B: Perivascular and interstitial mixed-cell infiltrate…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…pesvirus infection, fully developed If this lesion had not been interrupted by biopsy, the tension within the intraepidermal vesicle would have caused it to burst and to become subepidermal, too; only a single layer of basal keratocytes remains at…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…s, intraepidermal, spongiotic + 10.88.6B: Collections of neutrophils beneath the cornified layer at the side of a spongiotic vesicle. + 10.88.6C + 10.88.6D: = Prurigo pigmentosa Vesicles in prurigo pigmentosa may come into being by virtue of…

Histologic Diagnosis of Inflammatory Skin Diseases

Pattern Analysis in Historical Perspective

…was designated “intraepidermal vesicular and pustular dermatitis” and because a pustule is very different from a vesicle, both morphologically and conceptually, “pustular dermatitis” now is given its due as a separate, but…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…tiforme The subepidermal blister came into being as a result of rupture of tense intraepidermal vesicles. The intraepidermal vesicles developed mostly as a consequence of ballooning of keratocytes, rather than of spongiosis. 10.32.4A: Vesicular…

Histologic Diagnosis of Inflammatory Skin Diseases

Farmyard pox

…opathologic Cowpox and smallpox also exhibit prominent ballooning of spinous keratocytes, reticular alteration, multilocular vesicles, and eosinophilic inclusion bodies in the cytoplasm of ballooned cells. Those diseases can be differentiated from…

Histologic Diagnosis of Inflammatory Skin Diseases

Impetigo contagiosa

…rather than pustular or bullous, and favors the trunk. Herpes simplex may mimic impetigo, particularly when the contents of vesicles become turbid, but lesions tend to be vesicles rather than bullae, and they do not assume figurate outlines. Tinea…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…is, intraepidermal and subepidermal + 10.44.15B: Acantholytic cells in the spinous layer = Grover’s disease A distinct vesicle in Grover’s disease, like the one shown here, is exceptional. It began intraepidermal and was so tense that it…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Primary and Secondary Lesions?

…ermatology, 2nd ed. Berlin: Springer-Verlag, 2000:9. “Primary lesions: macule, papule, nodule, patch, plaque, pustule, vesicle, bulla (blister), wheal, telangiectasia. Secondary lesions: crust, excoriation, lichenification, lichenoid,…