Search Results for: nerves

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Histologic Diagnosis of Inflammatory Skin Diseases

Nail Units

…f a nail. Nails have several functions. Most important, they protect the terminal phalanges. A network of myelinated sensory nerves in the dermis of the nail bed, some nerves of which terminate near Merkel cells within the epithelium of the nail…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Blue Nevus?

…roblastic sarcoma, (3) . . . a plexiform neuroma constituted of interlaced ribbons with large knots of voluminous [or bulky] nerves . . .” Masson P. Système Mélanogène. In: Tumeurs Humaines: HistologieDiagnostic et Techniques [Human tumors:…

Differential Diagnosis in Dermatopathology

Differential Diagnosis

…in and around cutaneous nerves and adnexal epithelium in the deep reticular dermis 4. No infiltrate of inflammatory cells in nerves or adnexal epithelium usually 5. Cutaneous nerves often missing consequent to products of inflammatory cells 5….

Histologic Diagnosis of Inflammatory Skin Diseases

Introduction

…ctures of the dermoepithelial interface, blood vessels, lymphatics, collagen, elastic fibers, ground substance, muscles, and nerves. The strategy is to inform about how the skin looks by examination grossly and by inspection using conventional…

Patients affected by endemic pemphigus foliaceus in Colombia, South America exhibit autoantibodies to optic nerve sheath envelope cell junctions

Patients affected by endemic pemphigus foliaceus in Colombia, South America exhibit autoantibodies to optic nerve sheath envelope cell junctions

…cussion We have previously described ocular clinical alterations in patients affected by El Bagre EPF [8] as well as against nerves and neural mechanoreceptors [8]. We also have previously observed a polyclonal immune response in the patients…

Histologic Diagnosis of Inflammatory Skin Diseases

Images

…es of necrosis in the context of signs of borderline leprosy are indications that the patient is in reaction. Involvement of nerves by lymphocytes is not, in itself, a sign of a reactional state; lymphocytes sometimes are present in nerves of…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Myxoma?

…known more popularly as “neurothekeoma,” which is a benign neoplasm not of mucin but stromal cells of peripheral nerves. Parenthetically, both “intramuscular myxoma” and “cardiac myxoma” represent deposits of…

A keratoacanthoma with venous invasion

A keratoacanthoma with venous invasion

…inising tumour and an SCC variant characterised by benign (non-metastasising) behaviour [1]. Although invasion of peripheral nerves has been reported [2,5] this has not been associated with an adverse prognosis. One of the authors (DW, data not…

Differential Diagnosis in Dermatopathology

Discussions

…uberculoid leprosy is characterized stereotypically by one or several discrete, hypopigmented anesthetic patches. Peripheral nerves may be thickened palpably in patients with that particular form of the disease. Patients with tuberculoid leprosy are…

Histologic Diagnosis of Inflammatory Skin Diseases

Confusing Terms (to be Avoided Scrupulously)

…;itis (inflammation of)]: A term meant to describe changes in the skin that were thought to be related in some way to “nerves,” either organically or psychologically. Two types of neurodermatitis have been described, namely,…

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