Search Results for: histiocytes

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…it, perioral and periocular dermatitis. 10.94.2A: Peri-infundibulitis, suppurative granulomatous + 10.94.2B: Predominance of histiocytes in foci, neutrophils scattered among histiocytes, and a lymphoplasmacytic infiltrate around venules = Rosacea,…

Histologic Diagnosis of Inflammatory Skin Diseases

Necrobiosis lipoidica

…g on vessels and present in the wall of medium-sized vessels Infiltrate of mononuclear cells (lymphocytes, plasma cells, and histiocytes) aligned along vascular plexuses, conveying the appearance of those cells being arranged in tiers Histiocytes

Histologic Diagnosis of Inflammatory Skin Diseases

Interstitial granulomatous dermatitis with arthritis

…with large nuclei and some in mitosis Eosinophils and neutrophils in number variable scattered throughout the infiltrate of histiocytes In foci, degeneration of a few collagen bundles surrounded by histiocytes arrayed in a palisade in conjunction…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…odular dermatosis and panniculosis, lobular + 11.14.27B: Markedly abnormal lymphocytes in company with small lymphocytes and histiocytes, many of them multinucleate = Mycosis fungoides, tumor Multinucleate histiocytes with extraordinary numbers of…

Histologic Diagnosis of Inflammatory Skin Diseases

Granuloma annulare

…d lower thirds of the reticular dermis especially, is made up of neutrophils and eosinophils in addition to the preponderant histiocytes, and the histiocytes sometimes have large nuclei, some of which may be in mitosis. Laboratory confirmation…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Granulomatous Mycosis Fungoides?

…he interstitial type of mycosis fungoides shows only lymphocytes between collagen bundles, and no accompanying infiltrate of histiocytes. When histiocytes, some of which may be multinucleate, are present as well, the condition resembles closely…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Cytophagic Panniculitis?

…ackwell Scientific Publications, 1992:2146–47. “Panniculitis can be a feature of malignant histiocytosis, but the histiocytes have the cytological features of neoplastic cells, in contrast to cytophagic histiocytic panniculitis where the…

Histologic Diagnosis of Inflammatory Skin Diseases

Rheumatoid nodule

…Differential diagnosis histopathologic Subcutaneous granuloma annulare contains abundant mucin in the center of palisades of histiocytes and scant, if any, fibrin. Necrobiosis lipoidica shows striking degeneration of collagen in the center of…