Objective: To objectively evaluate the reversal of digital clubbing (DC) in a series of surgically treated lung cancer patients, and to review the literature on the subject. Methods: Sixty-one patients with non-small cell lung cancer-40 with and 21 without DC-were treated by pulmonary resection. Eleven (18%) received additional postoperative radiation therapy. Preoperatively, as well as on postoperative days 7, 18, and 90, the hyponychial angle (HA) and the distal phalangeal depth/interphalangeal depth (DPD/IPD) ratio were determined on profile shadow projections of the index fingers. A review of the literature on reversal of DC (1954DC ( -2007 was also performed. Results: From the preoperative period to postoperative day 90, HA decreased from 200.5 ± 5.0° to 193.3 ± 6.8° (p < 0.001), and the DPD/IPD ratio decreased from 1.014 ± 0.051 mm to 0.956 ± 0.045 mm (p < 0.001) in the group of 40 patients with DC. The HA and the DPD/IPD ratio decreased in 33 (82.5%) but remained the same in 7 (1.7%), 6 with unfavorable evolution. In the 21 patients without DC, HA (184.5 ± 5.5°) and the DPD/IPD ratio (0.937 ± 0.046 mm) remained unchanged after surgery. In the literature , we found 52 cases, 5 of which were lung cancer cases, in which reversal of DC, observed in several clinical conditions, was explicitly reported. Conclusion: In most lung cancer patients, DC resolves after effective surgical treatment of the tumor, as can occur in patients with other conditions. Keywords: Osteoarthropathy, secondary hypertrophic; Lung neoplasms; Pulmonary surgical procedures. ResumoObjetivo: Estudar, por meio de avaliações objetivas, a ocorrência de regressão do hipocratismo digital (HD) em pacientes com câncer de pulmão, tratados cirurgicamente, e revisar a literatura sobre o assunto. Métodos: Sessenta e um pacientes com câncer de pulmão não-pequenas células-40 com e 21 sem HD-foram tratados por cirurgia de ressecção pulmonar. Onze deles (18%) também receberam radioterapia pós-operatória. No período pré-operatório e no 7º, no 18º e no 90º dia pós-operatório, o ângulo hiponiquial (AH) e a relação entre as espessuras falangeana distal e interfalangeana (EFD/EIF) foram determinados sobre imagens da sombra dos dedos indicadores em perfil. Uma revisão da literatura sobre regressão do HD (1954HD ( -2007 também foi efetuada. Resultados: Do período pré-operatório ao 90º dia pós-operatório, o AH diminuiu de 200,5 ± 5,0° para 193,3 ± 6,8° (p < 0,001), e a relação EFD/EIF, de 1,014 ± 0,051 mm para 0,956 ± 0,045 mm (p < 0,001) no grupo de 40 pacientes com HD. Em 33 (82,5%), o AH e a relação EFD/EIF diminuíram, mas, em 7 (1,7%), 6 com evolução desfavorável, esses valores não se reduziram. Nos 21 pacientes sem HD, tanto o AH (184,5 ± 5,5°) como a relação EFD/EIF (0,937 ± 0,046 mm) permaneceram inalterados após a cirurgia. Na literatura foram encontrados 52 casos em que a regressão do HD, observada em diversas condições clínicas, foi explicitamente referida, 5 dos quais eram casos de câncer de pulmão. Conclusões: O HD em pacientes com câncer d...
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