Search Results for: lymphatics

Therapeutic Strategies in Dermatology

Erysipelas/Cellulitis: Key Points

…), is sharply demarcated, typically involves more superficial lymphatics within the dermis to give a waxy or intensely superficial edematous appearance. Cellulitis commonly affects the lower extremities, typically affects one limb, and may result fro…

Histologic Diagnosis of Inflammatory Skin Diseases

Lymphatics

…perficial plexus of blood vessels. The structure of cutaneous lymphatics enables clearance from the dermis of fluids, macromolecules, cells, and foreign material. The twin roles of the lymphatic network as a conduit for Langerhans’ cells and as…

A Clinical Atlas of 101 Common Skin Diseases

Melanoma

A malignant neoplasm of melanocytes that, in the skin, begins as a macule and may become a patch or a papule. A flat lesion of melanoma tends to be asymmetrical, poorly circumscribed with a scalloped, jagged, or notched border, and variegate, mostly…

A Clinical Atlas of 101 Common Skin Diseases

Deep Fungal Infections

Cutaneous and subcutaneous lesions, usually nodules, that have become keratotic, crusted, and ulcerated as a consequence of infection by a variety of deep fungi, i.e., fungi situated in the dermis and subcutis, some of which may be disseminated to o…

Histologic Diagnosis of Inflammatory Skin Diseases

Lymphedema

…rogressive painful swelling of legs consequent to a defect in lymphatics; it occurs in females during the second and third decades. Yellow nail syndrome is edema of the ankles associated with yellow nails and pleural effusion. Secondary lymphedema fo…

Dermatology Practical & Conceptual

From the Dermatologikum Hamburg: Quiz

…oversy whether it can be differentiated from blood vessels or lymphatics and whether it is a true neoplasm or a malformation. Franke et al, in 2004, showed that endothelia of hobnail hemangiomas exhibit an antigenic profile similar to normal lymphati…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…ges 11.12.1A: Fibrosing dermatitis + 11.12.1B: Widely dilated lymphatics in company with an increased number of thick-walled blood vessels lined by plump endothelial cells, those vessels in the upper part of the dermis being oriented mostly perpendic…

Histologic Diagnosis of Inflammatory Skin Diseases

Cells That Mediate Inflammation (Inflammatory Cells)

…ytes migrate from blood to tissues, travel to lymph nodes via lymphatics, from nodes into the thoracic duct, and, eventually, back into the bloodstream. T cells recirculate continuously between blood and lymph, and, intermittently, sojourn in tissues…

Histologic Diagnosis of Inflammatory Skin Diseases

Erysipelas

…lly, of eosinophils around venules Widely dilated venules and lymphatics in the upper part of the dermis Edema of the papillary dermis Fully developed Moderately dense infiltrate of neutrophils and, sometimes, of eosinophils, scattered interstitially…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Satellite, in Transit, Regional, and Distant Metastases?

…lishers, 1992:314. “In-transit metastases appear in the lymphatics or soft tissues between the primary melanoma and the first major regional nodal basin as either subcutaneous or intracutaneous nodules.” Singletary ES, Balch CM. Recurrent…