Analysis of palmar creases is not very objective on the contrary to fingerprint analysis.[3] Palmar creases are sometimes used as a preoperative landmark for identification of deep anatomical structures. This method was shown to be unuseful.[4]
^Eswaraiah, G.; Bali, R. S. (July 1977). "Palmar flexion creases and dermatoglyphics among diabetic patients". American Journal of Physical Anthropology. 47 (1): 11–13. doi:10.1002/ajpa.1330470105. ISSN0002-9483. PMID888931.
^Kunc, Vojtech; Štulpa, Michal; Feigl, Georg; Neblett, Carlos; Kunc, Vladimír; Kachlík, David (2020-04-24). "The superficial anatomical landmarks are not reliable for predicting the recurrent branch of the median nerve". Surgical and Radiologic Anatomy. 42 (8): 939–943. doi:10.1007/s00276-020-02475-x. ISSN0930-1038. PMID32333089. S2CID216085971.