Atypical Acrodermatitis Chronica Atrophicans Herxheimer
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An Improved Technique for Radial Nerve Conduction Studies
J Neurol Neurosurg Psychiatry: first published as 10.1136/jnnp.30.4.332 on 1 August 1967. Downloaded from J. Neurol. Neurosurg. Psychiat., 1967, 30, 332 An improved technique for radial nerve conduction studies ALLAN W. DOWNIE1 AND THOMAS R. SCOTT From the Division of Neurology, Department of Medicine, School of Medicine, University ofNorth Carolina, Chapel Hill, North Carolina, U.S.A. A technique for recording evoked sensory potentials MATERIALS AND METHOD from the radial nerve has already been reported by us (Downie and Scott, 1964). This technique, The apparatus used was a TECA two-channel electro- myograph. The recording electrodes consisted of a pair although reliable, is time consuming and occasion- of chlorided silver discs 1 cm. in diameter, mounted ally difficult and the amplitude of potentials may be 2 5 cm. apart on a plastic base. The active recording as low as 1 to 2 microvolts. The purpose of this electrode was placed over the largest palpable branch communication is to describe a simpler technique by of the radial nerve as it crossed the tendon of the extensor which potentials of greater amplitude can be pollicis longus. The distal recording electrode was placed obtained. In addition, the segment of nerve tested is over the first dorsal interosseous muscle but not neces- Protected by copyright. one which can be readily identified and biopsied if sarily over the nerve, of which the position in this area so desired without causing unpleasant or disturbing cannot be precisely determined (Fig. 1). An experiment sensory loss to the subject. made to assess the importance of the position of this electrode showed no significant difference in latency to The location of a nerve which is to be tested is peak when it was placed in turn on three points along usually determined by stimulating its motor fibres a line between the tendons of the extensor pollicis and finding the stimulus site from which maximal longus and extensor indicis provided the interelectrode muscle contraction is obtained. -
Toward a Better Understanding of the Spectrum of Morphea
STUDY ONLINE FIRST High Frequency of Genital Lichen Sclerosus in a Prospective Series of 76 Patients With Morphea Toward a Better Understanding of the Spectrum of Morphea Virginie Lutz, MD; Camille Francès, MD, PhD; Didier Bessis, MD; Anne Cosnes, MD; Nicolas Kluger, MD; Julien Godet, PhD; Erik Sauleau, PhD; Dan Lipsker, MD, PhD Objective: To compare the frequency of genital lichen diagnosis was 54 (13-87) years. Forty-nine patients had sclerosus (LS) in patients with morphea with that of con- plaque morphea, 9 had generalized morphea, and 18 had trol patients. linear morphea. Three patients (3%) in the control group and 29 patients (38%) with morphea had LS (odds ra- Design: A prospective multicenter study. tio,19.8; 95% CI, 5.7-106.9; PϽ.001). Twenty-two pa- tients with plaque morphea (45%) and only 1 patient with Setting: Four French academic dermatology depart- linear morphea (6%) had associated genital LS. ments: Strasbourg, Montpellier, Tenon Hospital Paris, and Henri Mondor Hospital Cre´teil. Conclusions: Genital LS is significantly more frequent in patients with morphea than in unaffected individu- Patients: Patients were recruited from November 1, 2008, als. Forty-five percent of patients with plaque morphea through June 30, 2010. Seventy-six patients with mor- have associated LS. Complete clinical examination, in- phea and 101 age- and sex-matched controls, who un- cluding careful inspection of genital mucosa, should there- derwent complete clinical examination, were enrolled. fore be mandatory in patients with morphea because geni- tal LS bears a risk of evolution into squamous cell Interventions: A complete clinical examination and, if deemed necessary, a cutaneous biopsy. -
A Guide to Transthyretin Amyloidosis
A Guide to Transthyretin Amyloidosis Authored by Teresa Coelho, Bo-Goran Ericzon, Rodney Falk, Donna Grogan, Shu-ichi Ikeda, Mathew Maurer, Violaine Plante-Bordeneuve, Ole Suhr, Pedro Trigo 2016 Edition Edited by Merrill Benson, Mathew Maurer What is amyloidosis? Amyloidosis is a systemic disorder characterized by extra cellular deposition of a protein-derived material, known as amyloid, in multiple organs. Amyloidosis occurs when native or mutant poly- peptides misfold and aggregate as fibrils. The amyloid deposits cause local damage to the cells around which they are deposited leading to a variety of clinical symptoms. There are at least 23 different proteins associated with the amyloidoses. The most well-known type of amyloidosis is associated with a hematological disorder, in which amyloid fibrils are derived from monoclonal immunoglobulin light-chains (AL amyloidosis). This is associated with a clonal plasma cell disorder, closely related to and not uncommonly co-existing with multiple myeloma. Chronic inflammatory conditions such as rheumatoid arthritis or chronic infections such as bronchiectasis are associated with chronically elevated levels of the inflammatory protein, serum amyloid A, which may misfold and cause AA amyloidosis. The hereditary forms of amyloidosis are autosomal dominant diseases characterized by deposition of variant proteins, in dis- tinctive tissues. The most common hereditary form is transthyretin amyloidosis (ATTR) caused by the misfolding of protein monomers derived from the tetrameric protein transthyretin (TTR). Mutations in the gene for TTR frequently re- sult in instability of TTR and subsequent fibril formation. Closely related is wild-type TTR in which the native TTR protein, particu- larly in the elderly, can destabilize and re-aggregate causing non- familial cases of TTR amyloidosis. -
Expert Consensus Recommendations to Improve Diagnosis of ATTR Amyloidosis with Polyneuropathy
Journal of Neurology https://doi.org/10.1007/s00415-019-09688-0 REVIEW Expert consensus recommendations to improve diagnosis of ATTR amyloidosis with polyneuropathy David Adams1 · Yukio Ando2 · João Melo Beirão3 · Teresa Coelho4 · Morie A. Gertz5 · Julian D. Gillmore6 · Philip N. Hawkins6 · Isabelle Lousada7 · Ole B. Suhr8 · Giampaolo Merlini9,10 Received: 10 December 2019 / Revised: 20 December 2019 / Accepted: 23 December 2019 © The Author(s) 2020 Abstract Amyloid transthyretin (ATTR) amyloidosis with polyneuropathy (PN) is a progressive, debilitating, systemic disease wherein transthyretin protein misfolds to form amyloid, which is deposited in the endoneurium. ATTR amyloidosis with PN is the most serious hereditary polyneuropathy of adult onset. It arises from a hereditary mutation in the TTR gene and may involve the heart as well as other organs. It is critical to identify and diagnose the disease earlier because treatments are available to help slow the progression of neuropathy. Early diagnosis is complicated, however, because presentation may vary and family history is not always known. Symptoms may be mistakenly attributed to other diseases such as chronic infammatory demyelinating polyradiculoneuropathy (CIDP), idiopathic axonal polyneuropathy, lumbar spinal stenosis, and, more rarely, diabetic neuropathy and AL amyloidosis. In endemic countries (e.g., Portugal, Japan, Sweden, Brazil), ATTR amyloidosis with PN should be suspected in any patient who has length-dependent small-fber PN with autonomic dysfunction and a family history of ATTR amyloidosis, unexplained weight loss, heart rhythm disorders, vitreous opacities, or renal abnormali- ties. In nonendemic countries, the disease may present as idiopathic rapidly progressive sensory motor axonal neuropathy or atypical CIDP with any of the above symptoms or with bilateral carpal tunnel syndrome, gait disorders, or cardiac hypertro- phy. -
Practical Neurology: Peripheral Neuropathy for the Internist
Practical Neurology: Polyneuropathy for the Non-Neurologist Steven A. Day, MD Providence Neurological Specialties Definitions Foundational Principle: With neurological problems think of LOCALIZATION before SYNDROME Definitions • Neuronopathy – Motor neuronopathy – Sensory neuronopathy • Radiculopathy • Plexopathy • Neuropathy – Mononeuropathy – Polyneuropathy The Netter Collection of Medical Illustrations, Volume 1, Nervous System, 2002 “ROOTS” C4 TRUNKS C5 Dorsal scapular n. C6 TRUNKS C7 Suprascapular n. T1 DIVISIONS Musculocut- aneous n. CCF CORDS 2002 Long thoracic n. TERMINAL NERVES CCF ©2002 Axillary n. Radial n. Median n. Ulnar n. Definitions ‘Neuropathy’ is a diagnosis which specifies the location of pathology, not a symptom Definitions • Axonal = axon loss pathology • Demyelinating = myelin loss pathology Topical Diagnosis in Neurology, 3rd ed. 1998 Topical Diagnosis in Neurology, 3rd ed. 1998 Duss’ Topical Diagnosis in Neurology, 4th ed. 2005 Polyneuropathy Polyneuropathy: Typical Presentation • Insidious onset • Distal (toes, pads of feet) • Gradual progression • Complaints are primarily sensory Polyneuropathy: Key Exam Features • Sensory – Distal gradient of sensory loss • Pin prick or cold • Monofilament • Cotton wisp • Vibration at toes and ankles • Proprioception: toe movements Polyneuropathy: Key Exam Features • Motor – Is there intrinsic foot or hand muscle atrophy? – Weakness pattern • Distal • Proximal and distal • Asymmetric – Able to stand/elevate on toes and heels? Polyneuropathy: Key Exam Features • Reflexes – Distal -
The Usefulness of Proximal Radial Motor Conduction in Acute Compressive Radial Neuropathy
JCN Open Access ORIGINAL ARTICLE pISSN 1738-6586 / eISSN 2005-5013 / J Clin Neurol 2015;11(2):178-182 / http://dx.doi.org/10.3988/jcn.2015.11.2.178 The Usefulness of Proximal Radial Motor Conduction in Acute Compressive Radial Neuropathy Kun Hyun Kima b Background and PurposezzThe objective of this study was to determine diagnostic and Kee-Duk Park a prognostic values of proximal radial motor conduction in acute compressive radial neuropathy. Pil-Wook Chung a MethodszzThirty-nine consecutive cases of acute compressive radial neuropathy with radial Heui-Soo Moon conduction studies–including stimulation at Erb’s point–performed within 14 days from a Yong Bum Kim clinical onset were reviewed. The radial conduction data of 39 control subjects were used as a Won Tae Yoon reference data. b Hyung Jun Park ResultszzThirty-one men and eight women (age, 45.2±12.7 years, mean±SD) were enrolled. Bum Chun Suha All 33 patients in whom clinical follow-up data were available experienced complete recov- ery, with a recovery time of 46.8±34.3 days. Partial conduction block was found frequently a Department of Neurology, Kangbuk Samsung Hospital, (17 patients) on radial conduction studies. The decrease in the compound muscle action po- Sungkyunkwan University tential area between the arm and Erb’s point was an independent predictor for recovery time. School of Medicine, Seoul, Korea zzProximal radial motor conduction appears to be a useful method for the early b Conclusions Department of Neurology, detection and prediction of prognosis of acute compressive radial neuropathy. Mokdong Hospital, Ewha Womans University Key Wordszz radial neuropathy, nerve conduction study, conduction block, diagnosis, School of Medicine, Seoul, Korea prognosis. -
UC Davis Dermatology Online Journal
UC Davis Dermatology Online Journal Title Penicillamine-associated cutis laxa and milia en plaque - case report and review of cutaneous changes associated with penicillamine Permalink https://escholarship.org/uc/item/47p4d8zv Journal Dermatology Online Journal, 22(5) Authors Vajdi, Tina Lee, Wiggin Wu Paravar, Taraneh Publication Date 2016 DOI 10.5070/D3225030951 License https://creativecommons.org/licenses/by-nc-nd/4.0/ 4.0 Peer reviewed eScholarship.org Powered by the California Digital Library University of California Volume 22 Number 5 May 2016 Photo Vignette Penicillamine-associated cutis laxa and milia en plaque - case report and review of cutaneous changes associated with penicillamine Tina Vajdi1, Wiggin Wu Lee2, Taraneh Paravar2 Dermatology Online Journal 22 (5): 12 1University of California, San Diego School of Medicine 2Department of Dermatology, University of California, San Diego Correspondence: Taraneh Paravar, MD Assistant Clinical Professor Department of Dermatology University of California, San Diego 8899 University Center Lane, Suite 350 San Diego, California 92122, USA Tel. (858) 657-8322 E-mail: [email protected] Abstract Penicillamine-induced skin changes are rare and include: hypersensitivity reactions, autoimmune reactions, and cutaneous elastoses. We report a case of a 73-year-old man with cystinuria taking penicillamine for over 50 years who presented with penicillamine-induced cutis laxa and milia en plaque. A brief review of penicillamine induced skin changes, specifically cutis laxa and milia en plaque, is presented. Key Words: penicillamine, elastic tissue, cystinuria, cutis laxa, milia en plaque Introduction Penicillamine is a chelating agent commonly used to treat cystinuria and Wilson disease. Cystinuria is a genetic disorder in which patients lack the cysteine amino acid transporter. -
Anetoderma Secondary to Mid-Dermal Elastolysis
Anetoderma Secondary to Mid-dermal Elastolysis Gabriela A. Maloney, BS,* Jane James, MD, PhD,** Michael Welsch, MD,** Marylee Braniecki, MD** *Midwestern University, Downers Grove, IL **Pathology Department, University of Illinois Hospital & Health Sciences System, Chicago, IL Abstract Anetoderma usually presents as circumscribed, 1 cm to 2 cm patches and plaques of flaccid skin secondary to loss of dermal elastic tissue. Lesions often occur in the neck, upper extremities, chest, and back. On histopathology, one sees complete loss of dermal elastin involving the papillary and reticular dermis, with infiltration of plasma cells and histiocytes. A 40-year-old female with no significant medical history presented with multiple round, 1 cm to 2 cm lesions scattered on her upper back and chest. Skin biopsy demonstrated elastic-fiber loss localized to the mid-dermis along with a lymphohistiocytic infiltrate with elastophagocytosis and active inflammatory phase in the papillary and mid-reticular dermis. The histopathological findings were consistent with mid-dermal elastolysis with advancing inflammation, and the clinical features were consistent with anetoderma. The microscopic examination revealed an active inflammatory phase of mid-dermal elastolysis, supporting the postulated theory that MDE may be part of a continuous spectrum with anetoderma. Case Report by lax, wrinkled skin with underlying palpable biopsy and elastic-fiber staining demonstrated A 40-year-old female with no significant medical depression (Figure 1). They were often preceded elastic-fiber loss in the mid-dermis along with history presented with multiple round, 1 cm to by two to six months of local erythema and had a lymphohistiocytic infiltrate with evidence 2 cm lesions scattered throughout the upper increased in number over the past two years. -
LICHEN SCLEROSUS Lichen Sclerosus (Sometimes Called Lichen
LICHEN SCLEROSUS Lichen Sclerosus (sometimes called lichen sclerosus at atrophicus, or LS&A) is a skin condition that is most common on the vulva of older women who have gone through menopause. However, lichen sclerosus sometimes affects girls before puberty, as well as young adult women, and the penis of uncircumcised males. In females, lichen sclerosus can affect rectal skin also. Only rarely does lichen sclerosus affect skin outside the genitalia, and this is usually the back, chest or abdomen. Lichen sclerosus almost never appears on the face or hands. The causes of lichen sclerosus are not completely understood, but a main cause is an over-active immune system. The immune system, that part of the body that fights off infection, becomes over-active and attacks the skin by mistake. Why this happens is not known. Lichen sclerosus typically appears as white skin that is very itchy. The skin is also fragile, so rubbing and scratching can cause breaks, cracks and bruises that hurt. Sexual activity is often painful or impossible. Untreated, lichen sclerosus can cause scarring and, occasionally, narrowing of the opening of the vagina in women. In boys and men, the foreskin can scar to the head of the penis. Untreated lichen sclerosus is also associated with skin cancer of the vulva in about one in thirty women. There is also an increased risk of skin cancer of the penis in men. These risks can be lowered when lichen sclerosus is well-controlled. Irritating creams, unnecessary medication, soaps and over washing should be avoided. Washing should be limited to once daily with clear water only. -
A Case of Bickerstaff S Brainstem Encephalitis in Childhood '
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by Directory of Open Access Journals Korean Journal of Pediatrics Vol. 53, No. 4, 2010 DOI : 10.3345/kjp.2010.53.4.607 Case report 1)jtj A case of Bickerstaff’s brainstem encephalitis in childhood Ji Youn Kim, M.D., Young Ok Kim, M.D., Young Jun Son, M.D. and Young Jong Woo, M.D. Department of Pediatrics, Chonnam National University Medical School, Gwangju, Korea = Abstract = Bickerstaff's brainstem encephalitis (BBE) is a rare disease diagnosed by specific clinical features such as 'progressive, relatively symmetric external ophthalmoplegia and ataxia by 4 weeks' and 'disturbance of consciousness or hyperreflexia' after the exclusion of other diseases involving the brain stem. Anti-ganglioside antibodies (GM, GD and GQ) in the serum or cerebrospinal fluid (CSF) are sometimes informative for the diagnosis of BBE because of the rarity of positive findings in other diagnositic methods: brain magnetic resonance imaging (MRI), routine CSF examination, motor nerve conduction study, and needle electromyography. We report a rare case of childhood BBE with elevated anti-GM1 antibodies in the serum, who had specific clinical symptoms such as a cranial polyneuropathy presenting as ophthalmoplegia, dysarthria, dysphagia, and facial weakness; progressive motor weakness; altered mental status; and ataxia. However, the brain MRI, routine CSF examination, nerve conduction studies, electromyography, somatosensory evoked potentials, and brainstem auditory evoked potentials were normal. BBE was suspected and the patient was successfully treated with intravenous immunoglobulins. (Korean J Pediatr 2010;53:607-611) Key Words : Encephalitis, Brain stem, Child bulins (IVIG) for the treatment of BBE suggests an auto- Introduction immune etiology5, 6). -
Dermatose Degenerativa Induzida Por D-Penicilamina Em Paciente Com Doença De Wilson
Revista SPDV 76(2) 2018; D-Penicillamine induced degenerative dermopathy; Rui Pedro Santos, Joana Gomes, Celeste Brito. Caso Clínico Dermatose Degenerativa Induzida por D-penicilamina em Paciente com Doença de Wilson Rui Pedro Santos1, Joana Gomes2, Celeste Brito2 1Interno de Dermatovenereologia/Resident, Dermatovenereology, Hospital de Braga, Braga, Portugal 2Especialista de Dermatovenereologia/Specialist of Dermatovenereology, Hospital de Braga, Braga, Portugal RESUMO – As dermatoses degenerativas induzidas por D-penicilamina incluem, entre outras, a elastose perfurante serpiginosa e o pseudo-pseudoxantoma elástico. A elastose perfurante serpiginosa é uma doença perfurante rara caracterizada pela elimi- nação transepidérmica de fibras elásticas anormais. Esta condição pode ser idiopática, reativa ou induzida por D-penicilamina, habitualmente utilizada para o tratamento da doença de Wilson, cistinúria, artrite reumatóide ou esclerose sistémica. Manifesta- ções cutâneas semelhantes a pseudoxantoma elástico mas sem história familiar e mutações do gene ABCC6 foram identificadas como sendo uma dermatose induzida por D-penicilamina e designada de pseudo-pseudoxantoma elástico. Descreve-se o caso de uma mulher de 17 anos tratada por vários anos com D-penicilamina para doença de Wilson, com pápulas assintomáticas, algumas cor de pele e hiperqueratósicas e outras macias e amareladas, na região cervical e face. A histopatolo- gia mostrou a eliminação transepidérmica de fibras elásticas espessadas, em forma de dentes de serra. Estes achados sugeriram uma dermopatia induzida por D-penicilamina e os autores consideraram o diagnóstico de elastose perfurante serpiginosa e pseudo-pseudoxantoma elástico no mesmo paciente. O fármaco foi alterado para acetato de zinco sem lesões novas, mas com manutenção das lesões existentes no seguimento a 1 ano. -
Vulvar Verruciform Xanthoma Ten Cases Associated with Lichen Sclerosus, Lichen Planus, Or Other Conditions
OBSERVATION ONLINE FIRST Vulvar Verruciform Xanthoma Ten Cases Associated With Lichen Sclerosus, Lichen Planus, or Other Conditions Charlotte Fite, MD; Franc¸oise Plantier, MD; Nicolas Dupin, MD, PhD; Marie-Franc¸oise Avril, MD; Micheline Moyal-Barracco, MD Background: Verruciform xanthoma (VX) is a rare be- acanthosis without atypia, and elongated rete ridges. nign tumor that usually involves the oral cavity. Since Xanthomatous cells were aggregated in the papillary the first report of this tumor in 1971, only 9 cases have dermis. been reported on the vulva, and 3 of these were associ- ated with another vulvar condition. We describe the clini- Conclusions: Vulvar VX is a benign tumor with mis- copathologic features of 10 patients with vulvar VX and leading clinical features. All 10 cases were associated with focus on their associated conditions. a vulvar condition, mainly a lichen sclerosus. There- fore, VX might represent a reaction pattern induced by Observation: The mean age of the patients was 68 years different conditions, mainly characterized by damage to (range, 51-80 years). The VX lesions were asymptom- the dermoepidermal junction. When confronted with the atic, yellowish-orange verrucous plaques. The diagno- diagnosis of vulvar VX, clinicians may look for an asso- sis was clinically suspected in 2 cases; other suggested ciated vulvar condition. diagnoses were condyloma or squamous cell carci- noma. All of the patients had an associated vulvar con- dition: lichen sclerosus (6 patients), lichen planus (2 Arch Dermatol. 2011;147(9):1087-1092. patients), Paget disease, or radiodermatitis. Under mi- Published online May 16, 2011. croscopy, the VX lesions displayed parakeratosis, doi:10.1001/archdermatol.2011.113 ERRUCIFORM XANTHOMA location, histologic findings, history of dyslip- (VX) is a rare benign tu- idemia, treatment, follow-up, and associated mor which was first vulvar conditions.