Search Results for: fibrocytes

Differential Diagnosis in Dermatopathology

Discussions

…phazardly. The altered dermis houses an increase in number of fibrocytes. Although small as a rule, both lesions may extend deep into the reticular dermis and, episodically, into the subcutaneous fat. As a consequence of the proliferation of fibrocyt…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…obules of amyloid 8. Clefts in nodules of colloid 9. Stellate fibrocytes and melanophages associated intimately with globules of amyloid 9. A few thin fibrocytes associated with colloid, but no macrophages 10. Angioplasia in conjunction with amyloid…

Differential Diagnosis in Dermatopathology

Discussions

…both are cutaneous mucinoses in which an increased number of fibrocytes and mast cells are present in zones that house acid mucopolysaccharides. Although pretibial myxedema may develop occasionally in patients who are euthyroid, it usually is a mani…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…of the effects of longstanding infiltrates of lymphocytes on fibrocytes. Even in the absence of that change, the findings pictured are those of mycosis fungoides. 11.14.41A: Perivascular dermatosis + 11.14.41B: Lymphocytes around venules, as solitar…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus

…anged haphazardly, in conjunction with an increased number of fibrocytes, variable numbers of melanophages, and a sprinkling of lymphocytes. The cornified layer may have returned to its normal basket-weave configuration. A clue to diagnosis of atroph…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Myxoma?

…pithelium that produces mucin, whereas in pretibial myxedema, fibrocytes do it, presumably in concert with mast cells. Nonepithelial, or connective tissue, mucin is dominant in those benign and malignant cutaneous neoplasms said to be myxoid. In most…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…s, plasma cells, neutrophils, and eosinophils in company with fibrocytes and histiocytes, the latter being predominant = Interstitial granulomatous dermatitis with arthritis Some histiocytes have abnormal nuclei and some of them are in mitosis. Histi…

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema elevatum diutinum

…cles of thin wiry bundles of collagen accompanied by numerous fibrocytes in the reticular dermis; fascicles often assume an interwoven pattern at sites where previously there had been nodular and/or diffuse mixed-cell infiltrates. Diffuse, but sparse…