Search Results for: russell bodies

1 2 3 9
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?

…th 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 be iden…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Hyalin?

…rn of accumulation. Intracellular accumulations of protein … (Russell bodies)… are examples of intracellular hyaline deposits. Extracellular hyalin has been somewhat more difficult to analyze. Collagenous fibrous tissue in old scars may appear 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, septal +…

Histologic Diagnosis of Inflammatory Skin Diseases

Cells That Mediate Inflammation (Inflammatory Cells)

…rious sizes. Those accumulations of immunoglobulin are called Russell bodies, plasma cells that house them being said to be “constipated.” Even at scanning magnification, an infiltrate of plasma cells can be recognized for what it is beca…

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

…+ Hyphae in the stratum corneum = Dermatophytosis + Molluscum bodies within keratocytes and in the dermis with foreign body type giant cell reaction = Ruptured molluscum contagiosum + Perivascular and/or nodular infiltrate of lymphocytes and histiocy…

Histologic Diagnosis of Inflammatory Skin Diseases

Foreign body reaction

…osis Granulomatous inflammation as residuum sometimes Foreign bodies detectable sometimes in zones of fibroplasia Attributes histopathologic of foreign bodies common in skin and subcutaneous fat Rupture of an infundibular cyst is recognized by the pr…

1 2 3 9