We should be cautious with penetrating volar hand lacerations.  

  

Check out the three papers mentioned.

R. Nassab, K. Kok, J. Constantinides, V. Rajaratnam, The diagnostic accuracy of clinical examination in hand lacerations, International Journal of Surgery, Volume 5, Issue 2, 2007, Pages 105-108,

https://www.sciencedirect.com/science/article/pii/S1743919106001270?via%3Dihub

Dehghani, M., Shemshaki, H., Eshaghi, M. A., & Teimouri, M. (2011). Diagnostic accuracy of preoperative clinical examination in upper limb injuries. Journal of Emergencies, Trauma and Shock4(4), 461-464. https://doi.org/10.4103/0974-2700.86629

L. Amsallem, J. Pierrart, J.-D. Werthel, D. Delgrande, T. Bihel, J. Sekri, D. Zbili, T. Lafosse, E.H. Masmejean, Hand injury without any deficit: Is systematic surgical exploration justified?, Hand Surgery and Rehabilitation, Volume 38, Issue 1, 2019, Pages 20-23,

https://pubmed.ncbi.nlm.nih.gov/30249493/

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