The red flags of ulnar neuropathy in leprosy.

The diagnosis of pure neural leprosy is more challenging because patients share characteristics with other common pathologies, such as ulnar compression, which should be taken into consideration for differential diagnosis. In this study, we identify ulnar nerve conduction characteristics to aid in t...

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Autores principales: Márcia Jardim, Robson T Vital, Ximena Illarramendi, Mariana Hacker, Beatriz Junqueira, Izabela J R Pitta, Roberta O Pinheiro, Euzenir N Sarno
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Publicado: Public Library of Science (PLoS) 2021
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Acceso en línea:https://doaj.org/article/7db033bb41bb4b4faa9cdfba3dbf3728
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spelling oai:doaj.org-article:7db033bb41bb4b4faa9cdfba3dbf37282021-12-02T20:12:37ZThe red flags of ulnar neuropathy in leprosy.1932-620310.1371/journal.pone.0259804https://doaj.org/article/7db033bb41bb4b4faa9cdfba3dbf37282021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0259804https://doaj.org/toc/1932-6203The diagnosis of pure neural leprosy is more challenging because patients share characteristics with other common pathologies, such as ulnar compression, which should be taken into consideration for differential diagnosis. In this study, we identify ulnar nerve conduction characteristics to aid in the differential diagnosis of ulnar neuropathy (UN) in leprosy and that of non-leprosy etiology. In addition, we include putative markers to better understand the inflammatory process that may occur in the nerve. Data were extracted from a database of people affected by leprosy (leprosy group) diagnosed with UN at leprosy diagnosis. A non-leprosy group of patients diagnosed with mechanical neuropathy (compressive, traumatic) was also included. Both groups were submitted to clinical, neurological, neurophysiological and immunological studies. Nerve enlargement and sensory impairment were significantly higher in leprosy patients than in patients with compressive UN. Bilateral impairment was significantly higher in the leprosy group than in the non-leprosy group. Leprosy reactions were associated to focal demyelinating lesions at the elbow and to temporal dispersion (TD). Clinical signs such as sensory impairment, nerve enlargement and bilateral ulnar nerve injury associated with eletrodiagnostic criteria such as demyelinating finds, specifically temporal dispersion, could be tools to help us decided on the best conduct in patients with elbow ulnar neuropathy and specifically decide if we should perform a nerve biopsy for diagnosis of pure neural leprosy.Márcia JardimRobson T VitalXimena IllarramendiMariana HackerBeatriz JunqueiraIzabela J R PittaRoberta O PinheiroEuzenir N SarnoPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 11, p e0259804 (2021)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Márcia Jardim
Robson T Vital
Ximena Illarramendi
Mariana Hacker
Beatriz Junqueira
Izabela J R Pitta
Roberta O Pinheiro
Euzenir N Sarno
The red flags of ulnar neuropathy in leprosy.
description The diagnosis of pure neural leprosy is more challenging because patients share characteristics with other common pathologies, such as ulnar compression, which should be taken into consideration for differential diagnosis. In this study, we identify ulnar nerve conduction characteristics to aid in the differential diagnosis of ulnar neuropathy (UN) in leprosy and that of non-leprosy etiology. In addition, we include putative markers to better understand the inflammatory process that may occur in the nerve. Data were extracted from a database of people affected by leprosy (leprosy group) diagnosed with UN at leprosy diagnosis. A non-leprosy group of patients diagnosed with mechanical neuropathy (compressive, traumatic) was also included. Both groups were submitted to clinical, neurological, neurophysiological and immunological studies. Nerve enlargement and sensory impairment were significantly higher in leprosy patients than in patients with compressive UN. Bilateral impairment was significantly higher in the leprosy group than in the non-leprosy group. Leprosy reactions were associated to focal demyelinating lesions at the elbow and to temporal dispersion (TD). Clinical signs such as sensory impairment, nerve enlargement and bilateral ulnar nerve injury associated with eletrodiagnostic criteria such as demyelinating finds, specifically temporal dispersion, could be tools to help us decided on the best conduct in patients with elbow ulnar neuropathy and specifically decide if we should perform a nerve biopsy for diagnosis of pure neural leprosy.
format article
author Márcia Jardim
Robson T Vital
Ximena Illarramendi
Mariana Hacker
Beatriz Junqueira
Izabela J R Pitta
Roberta O Pinheiro
Euzenir N Sarno
author_facet Márcia Jardim
Robson T Vital
Ximena Illarramendi
Mariana Hacker
Beatriz Junqueira
Izabela J R Pitta
Roberta O Pinheiro
Euzenir N Sarno
author_sort Márcia Jardim
title The red flags of ulnar neuropathy in leprosy.
title_short The red flags of ulnar neuropathy in leprosy.
title_full The red flags of ulnar neuropathy in leprosy.
title_fullStr The red flags of ulnar neuropathy in leprosy.
title_full_unstemmed The red flags of ulnar neuropathy in leprosy.
title_sort red flags of ulnar neuropathy in leprosy.
publisher Public Library of Science (PLoS)
publishDate 2021
url https://doaj.org/article/7db033bb41bb4b4faa9cdfba3dbf3728
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