Search Results for: nerves

Histologic Diagnosis of Inflammatory Skin Diseases

Chondrodermatitis nodularis helicis

…O. Light and electron microscopic immunohistochemical observations of p75 nerve growth factor receptor-immunoreactive dermal nerves in prurigo nodularis. Arch Dermatol Res 1999;291(1):14-21. Mattila JO, Vornanen M, Katila ML. Histopathological and…

Differential Diagnosis in Dermatopathology

Nodular fasciitis vs. Malignant fibrous histiocytoma

An inflammatory disease caused by Mycobacterium leprae. It can involve internal organs or be localized to the skin, where its clinical presentation is dependent on the immunologic status of the host. Persons who are competent immunologically have…

What is Rosacea?

What is Rosacea?

…hypothesize that rosacea stems from a constellation of abnormalities of skin, including of small cutaneous blood vessels and nerves, the surrounding connective tissue and an abnormal inflammatory response. Chronic inflammation is the hallmark of…

Differential Diagnosis in Dermatopathology

Discussions

…itself clinically as a rapidly growing mass that may be slightly painful or tender. When the process impinges on peripheral nerves, numbness, paresthesias, or pain may ensue. The lesion favors the chest wall, back, and volar aspect of the forearm…

Primary myxoid melanoma with dermoscopic findings

Primary myxoid melanoma with dermoscopic findings

…s with no junctional component, ith a nodular architecture, features of malignancy, no ulceration, the absence of peripheral nerves, and an absence of preexisting melanocytic nevus, he was diagnosed as primary dermal melanoma. Additionally, based on…

Painful purple nodule on the right thigh–Answer

Painful purple nodule on the right thigh–Answer

…efferent venule with multiple interconnections. Contractility of glomus cells occurs after temperature changes are sensed by nerves within the glomus body, hence its importance in local blood flow regulation [1,2]. Glomus tumors are rare…