Bone neoplasms or tumors are of great interest for paleopathological studies due to their close relationship with health and survivorship as well as for their epidemiologic and demographic relevance. However, the identification of these lesions in archaeological specimens is very uncommon. The aim of this paper is to report the case of skeleton R5 E#1 from the prehistoric cemetery La Falda, in the Northwest region of Argentina. During the osteopathological analysis of the skeletal series, proliferative lesions in several bones of the skeleton of a 7-10-year-old juvenile were observed (i.e., both scapulae; left clavicle, humerus, and ulna, both os coxae, femora, and fibulae, and right foot bones). Age-at-death estimation, location and distribution pattern, and morphological appearances of the lesions indicated that this juvenile suffered from a neoplastic condition. A comprehensive differential diagnosis was carried out, suggesting that these lesions were compatible with hereditary multiple osteochondromas. However, Ewing's sarcoma was not definitively ruled out as a probable diagnosis. Thus, this work adds new evidence to the existence of neoplastic conditions in the prehistoric populations of the Americas, and it contributes original data to perform a differential diagnosis for multiple proliferative lesions.
Keywords: Bone tumors; Ewing’s sarcoma; Hispano-Indigenous period; Jujuy province; Multiple hereditary osteochondromas; Proliferative bone lesions.
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