Search Results for: diffuse neuroendocrine system (anachronistic)

Histologic Diagnosis of Inflammatory Skin Diseases

Mycosis fungoides

…soriasiform nodular pattern in which lymphocytes predominate overwhelmingly is a clue to mycosis fungoides A dense patchy or diffuse infiltrate of lymphocytes, together with innumerable multinucleate histiocytic giant cells (that often sport large…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Telogen Effluvium—An Inflammatory Disease?

…a relatively synchronous fashion. The extent of the process depends upon the number of follicles involved but it is usually diffuse. The patient may complain of increased hair fall that does not result in apparent baldness, or the hair loss may be…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…n bodies that are known to violate it. The foreign body illustrated here is Gelfoam, a styptic employed commonly. 10.38.14A: Diffuse dermatitis, granulomatous + 10.38.14B: Macrophages with abundant finely vacuolated and clear cytoplasm = Silicone…

Histologic Diagnosis of Inflammatory Skin Diseases

Xanthogranuloma

…hils throughout the infiltrate of histiocytes; lymphocytes and plasma cells around venules Late Fibroplasia amidst the dense diffuse infiltrate of foam cells Patchy mixed-cell infiltrate of lymphocytes, plasma cells, and eosinophils Correlation…

Histologic Diagnosis of Inflammatory Skin Diseases

Leprosy

…nd plaques. Histoid leprosy occurs as violaceous nodules in persons whose lepromatous leprosy is resistant to treatment; the diffuse infiltrate of foam cells is accompanied by prominent fibroplasia. Reactional states, i.e., erythema nodosum…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eosinophilic Cellulitis (Wells’ Syndrome)?

…eczema and pemphigoid and we give a brief account of nine cases. The particular histological features are dermal oedema with diffuse infiltration of the dermis with eosinophils and phagocytic histiocytes together with scattered “flame…

Histologic Diagnosis of Inflammatory Skin Diseases

Erythema nodosum leprosum

…he diagnosis of erythema nodosum leprosum requires the presence, clinically, of painful and tender nodules in a patient with diffuse or nodular lepromatous leprosy, whereas a diagnosis of Lucio’s phenomenon is established clinically on the…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Scleroderma?

…a grim, agonized death secondary to changes in collagen in internal organs, such as the esophagus, the lungs, and the heart. Diffuse systemic sclerosis may be devoid of cutaneous involvement, but its devastation of internal organs may result in…

Histologic Diagnosis of Inflammatory Skin Diseases

Urticaria pigmentosa

…istopathologic Macular and papular types Nodular type Bullous type Correlation clinicopathologic Nodules are formed by dense diffuse monomorphous infiltrates of mast cells. Smaller versions of them, i.e., dome-shaped papules, are made up of fewer…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…coccosis: PAS stain demonstrates the yeasts, some of which are budding, in the section of tissue on the far right. 10.17.6A: Diffuse dermatitis, granulomatous + 10.17.6B: Pale spherical organisms in foamy histiocytes = Cryptococcosis The changes…