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A Clinical Atlas of 101 Common Skin Diseases

Molluscum Contagiosum

A hyperplasia of infundibular epithelium consequent to the effects of infection by a pox virus and manifesting itself clinically as one or more skin-colored, smooth-surfaced, dome-shaped papules, each with a central umbilication filled with horny ma…

A Clinical Atlas of 101 Common Skin Diseases

Folliculitis (Infundibulitis) and Pseudofolliculitis (Pseudoinfundibulitis)

Infundibulitis, usually a suppurative inflammatory process that involves infundibula, is either noninfectious, as in the case of pustules of acne vulgaris, or infectious, as in the case of pustules caused by Staphylococcus aureus. In contrast, pseud…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Apoptosis?

…iated with nonviable keratocytes referred to in times past as Civatte bodies, colloid bodies, and hyaline bodies (pathologic cell death). Those bodies, on the basis of findings observed in sections stained conventionally by hematoxylin and eosin, can…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Hyalin?

…laques of mycosis fungoides on the other. Synonyms for hyalin bodies are colloid bodies, Civatte bodies, and apoptotic bodies. Irrespective of the designation applied to them, the units in question are necrotic keratocytes. Curiously the term, hyalin…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…hem, are discharged into the dermis where they act as foreign bodies. If such a process had not been interrupted by biopsy, it would have progressed to granulomatous inflammation and fibrosis. 10.38.3A: Fibrosing dermatitis and panniculitis, se…

Histologic Diagnosis of Inflammatory Skin Diseases

Sarcoidosis

…ometimes present in the granulomas Inclusions, i.e., asteroid bodies (eosinophilic star-shaped bodies) or Schaumann bodies (basophilic laminated concentric whorls) sometimes observed in some histiocytes, neither of those findings being specific for s…

Histologic Diagnosis of Inflammatory Skin Diseases

Algorithms Predicated on “Nonspecific” Findings

…ny synonyms have been given to them, among those being “Civatte bodies,” “colloid bodies,” “hyaline bodies,” “apoptotic bodies,” “sunburn cells,” and “satellite cells.” Click ima…

Histologic Diagnosis of Inflammatory Skin Diseases

Cells That Mediate Inflammation (Inflammatory Cells)

…material, such as bacteria, fungi, immune complexes, foreign bodies, and tissues that have been injured badly or destroyed. Particles to be ingested and removed may be coated by specific immunoglobulins and complement that enables neutrophils to rec…

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