Search Results for: infiltrate

Histologic Diagnosis of Inflammatory Skin Diseases

Mycosis fungoides

…are the rule “Late” patch (displaying signs of atrophy clinically) Sparse superficial perivascular interstitial infiltrate of lymphocytes Subtle patchy lichenoid infiltrate of lymphocytes in a papillary dermis thickened also by wiry…

Histologic Diagnosis of Inflammatory Skin Diseases

Arthropod assaults

…actions.” As a rule, they do not. For example, mosquitoes, fleas, and bedbugs usually do not induce nodular or diffuse infiltrates in the skin. Dense mixed-cell infiltrates in which large lymphocytes are preponderant may follow on the sting of…

Histologic Diagnosis of Inflammatory Skin Diseases

Syphilis

…are marked by spongiform pustules, the two diseases are differentiated easily from one another by the quality of the dermal infiltrate. In psoriasis, the infiltrate is superficial and made up mostly of lymphocytes, whereas in rupial syphilis, the…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…erythematosus, discoid Changes identical to these may be seen in dermatomyositis. When, in a setting similar to this one, an infiltrate of lymphocytes is denser and deeper, the diagnosis almost certainly is lupus erythematosus. Findings like these…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Lymphocytic Infiltration of Jessner?

…221; Never did Jessner or Kanof publish a communication subsequent about the enigmatic facial plaques formed by perivascular infiltrates of lymphocytes. Nonetheless, because such infiltrates are observed so commonly in sections of biopsy specimens…

Histologic Diagnosis of Inflammatory Skin Diseases

The Algorithmic Method

…5.26). To summarize what has been communicated thus far, by first making observations accurately about the pattern formed by infiltrates of cells, the composition of those infiltrates, and the changes accompanying in epidermal and adnexal…

Histologic Diagnosis of Inflammatory Skin Diseases

Fixed drug eruption

…distinguished with repeatability from early Mucha-Habermann disease also involve the dermis; there is no wedge shape to the infiltrate of fixed drug eruption and the infiltrate is mixed, not a pure population of lymphocytes. Later lesions of…

Histologic Diagnosis of Inflammatory Skin Diseases

Subcutaneous Fat: Panniculitis

…of a “foreign body reaction” to degenerated elastic fibers in addition to signs of lymphoma seen here as patchy infiltrates of lymphocytes in the subcutaneous fat and in the reticular dermis, a lichenoid infiltrate of lymphocytes in…