Search Results for: histiocytes

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Histologic Diagnosis of Inflammatory Skin Diseases

Reticulohistiocytic granuloma

…nctive amphophilic slightly granular cytoplasm; darker in the center than at the periphery Many binucleate and multinucleate histiocytes Some histiocytes with abnormal nuclei Epidermis thin and separated from the dense diffuse infiltrate by a thin…

Differential Diagnosis in Dermatopathology

Discussions

…the same section of tissue. Even in subcutaneous granuloma annulare, mucin is abundant either in the center of palisades of histiocytes or in company with histiocytes in the interstitium. Mucin is recognizable in sections by hematoxylin and eosin,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Histiocytoses?

…described it, considered it to be benign. Recent evidence indicates that malignant fibrous histiocytoma is not a neoplasm of histiocytes, but of fibrocytes. Malignant histiocytosis is a misnomer. The condition is a lymphoma, the cells that…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…of collagen and necrosis of inflammatory cells than is necrobiosis lipoidica. 10.68.2A: Nodular and interstitial dermatitis, histiocytes predominate, and panniculitis, lobular + 10.68.2B: Numerous multinucleate histiocytes, many of them Touton type,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Langerhans’ Cell Granulomatosis?

“The cells of histiocytosis X [HX] have been designated “histiocytes” but the “ordinary” histiocytes encountered in healthy skin, in histiocytoma or various granulomatous processes are devoid of the granules. It could…

Histologic Diagnosis of Inflammatory Skin Diseases

Lichen nitidus

…ate ones, especially in dark-skinned individuals Vacuolar alteration at the dermoepidermal junction above each collection of histiocytes Thinned epidermis above collections of histiocytes Slight parakeratosis above a focally thinned epidermis Late…

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