Search Results for: nerves

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Histologic Diagnosis of Inflammatory Skin Diseases

Nerves

…mediates sensations of pain, itch, temperature, light touch, discriminative touch, pressure, vibration, and proprioception. Nerves of the autonomic motor system control cutaneous vascular tone, pilomotor responses, and sweating. The somatic sensory…

A Clinical Atlas of 101 Common Skin Diseases

Neurofibromatosis

…ors of neurofibroma). The cutaneous lesions may be accompanied by neoplasms with neural differentiation that are situated in nerves (e.g., acoustic neuroma) and in the brain (e.g., gliomas), as well as by manifestations of various kinds in the eyes…

A Clinical Atlas of 101 Common Skin Diseases

Leprosy

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…

Notalgia paresthetica: the unreachable itch

Notalgia paresthetica: the unreachable itch

…ls [6]. Most evidence suggests NP is the result of damage to the cutaneous branches of the posterior divisions of the spinal nerves. This can occur either by impingement from degenerative changes in the spine or spasms in the paraspinal musculature….

Enlarging plaque on the face with enlarged supraorbital nerve

Enlarging plaque on the face with enlarged supraorbital nerve

…leading to impairments and permanent disability [1]. The most common nerves involved in RR are the median, radial and ulnar nerves, the sural, posterior tibial and perineal nerves, great auricular and the facial nerve. In all leprosy patients,…

Histologic Diagnosis of Inflammatory Skin Diseases

Embryologic Development

…h week, are detectable in embryonal dermis. In succeeding weeks, an elaborate neural network is fashioned of autonomic motor nerves that innervate blood vessels, muscles of hair erection, eccrine and apocrine glands, somatic sensory nerves, and…

Histologic Diagnosis of Inflammatory Skin Diseases

Leprosy

…by atypical mycobacteria). Sometimes the cytoplasm is ever-so-slightly foamy. Mononuclear inflammatory cells in small dermal nerves is a clue to leprosy. Laboratory confirmation Fite’s stain reveals few, if any, bacilli in indeterminate…

Differential Diagnosis in Dermatopathology

Tuberculoid leprosy vs. Sarcoidosis

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…

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