Search Results for: nerves

Histologic Diagnosis of Inflammatory Skin Diseases

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…ulosis and hyperkeratosis, it must have been rubbed persistently and forcefully, probably because of effects pruritogenic on nerves of enzymes released from neutrophils. Those effects could be the reason for the implacable pruritus associated with…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Eccrine Neoplasms?

…folliculo-sebaceous-apocrine units on one hand and eccrine units on the other; the nonepithelial adnexa are smooth muscles, nerves, and blood vessels. Each of those normal adnexal structures has its own distinctive histologic attributes that serve…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Nevus Cells, Nevocytes, and Nevomelanocytes?

…dermis being derived from epidermal melanocytes, and nevomelanocytes in the lower dermis being derived from Schwann cells of nerves.” Rhodes AR. Neoplasms: benign neoplasias, hyperplasias, and dysplasias of melanocytes. In: Fitzpatrick TB,…

Resolving Quandaries in Dermatology, Pathology & Dermatopathology

Psychocutaneous Disorders?

…as a consequence of the involuntary pull of smooth muscles on hair follicles in response to powerful emotions? Skin contains nerves that are integral to the peripheral nervous system. As long as mortals think and feel, the effects of those thoughts…

Spitz and Reed nevi: acquired or congenital?

Spitz and Reed nevi: acquired or congenital?

…al nevi, in particular, infiltration of the reticular dermis or subcutis and involvement of cutaneous appendages, vessels or nerves. As a common finding, melanocytes splay between collagen bundles singly or in double rows [4,10,11]. Recently, the…

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

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…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…