Search Results for: fibrocytes

Differential Diagnosis in Dermatopathology

Discussions

…extend deep into the reticular dermis and, episodically, into the subcutaneous fat. As a consequence of the proliferation of fibrocytes and the accompanying fibroplasia, some normal folliculo-sebaceous units may be destroyed, but eccrine structures…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…in sections stained by hematoxylin and eosin 8. No clefts in globules 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,…

Differential Diagnosis in Dermatopathology

Discussions

…than they are in findings histopathologic. In a sense, however, 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…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…ue Coarse bundles of collagen in random array are a consequence 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:…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen planus

…atrophic lichen planus contains coarse bundles of collagen arranged 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…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Myxoma?

…cinosis, for example, it is mostly infundibular and sebaceous epithelium 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…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…Perivascular and interstitial dermatitis + 10.52.1B: Lymphocytes, plasma cells, neutrophils, and eosinophils in company with fibrocytes and histiocytes, the latter being predominant = Interstitial granulomatous dermatitis with arthritis Some…

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema elevatum diutinum

…he papillary or the periadnexal dermis usually Late Short fascicles 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…