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CC BY 4.0 · Arq Neuropsiquiatr 2022; 80(12): 1288
DOI: 10.1055/s-0042-1760085
Images in Neurology

Unidigital clubbing in a patient with ulnar neuropathy due to Hansen's disease

Baqueteamento unidigital em uma paciente com neuropatia ulnar secundária à hanseníase
Victor Evangelista 
1   Universidade Federal do Rio de Janeiro, Hospital Universitário Clementino Fraga Filho, Serviço de Neurologia, Departamento de Clínica Médica, Rio de Janeiro RJ, Brazil.
,
Sofia Abreu Mermelstein 
2   Universidade Estadual do Rio de Janeiro, Hospital Universitário Pedro Ernesto, Departamento de Neurologia, Rio de Janeiro RJ, Brazil.
,
Marcia Jardim 
2   Universidade Estadual do Rio de Janeiro, Hospital Universitário Pedro Ernesto, Departamento de Neurologia, Rio de Janeiro RJ, Brazil.
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A 37-year-old woman presented with a 5-year history of skin lesions with multiple erythematous papules, enlarged nerves on palpation, and a right ulnar neuropathy, characterized by weakness and wasting of intrinsic hand muscles and numbness in the fifth and fourth fingers of the right hand, with unidigital clubbing. This is an unusual sign, previously reported in finger trauma, median nerve neuropathy, brachial plexopathy, sarcoidosis, and vascular conditions such as aortic aneurysms. To our knowledge, the present is the first report on ulnar neuropathy secondary to leprosy, confirmed by skin biopsy, and serves as a clue to the diagnosis of mononeuropathies.[1]

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Figure 1 Patient's hand, showing unidigital clubbing of the right hand's fifth finger and wasting of the interosseous muscle as well as the fifth finger abduction sign (Wartenberg sign).[2]

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Conflict of Interest

The authors have no conflict of interests to declare.

Authors' Contributions

All authors contributed equally to the article.



Address for correspondence

Victor Evangelista Rodrigues Pereira   

Publication History

Received: 18 May 2022

Accepted: 28 August 2022

Article published online:
29 December 2022

© 2022. Academia Brasileira de Neurologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution 4.0 International License, permitting copying and reproduction so long as the original work is given appropriate credit (https://creativecommons.org/licenses/by/4.0/)

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Zoom Image
Figure 1 Patient's hand, showing unidigital clubbing of the right hand's fifth finger and wasting of the interosseous muscle as well as the fifth finger abduction sign (Wartenberg sign).[2]