Abstract
Paraneoplastic syndromes result from secretion of hormones, peptides or cytokines by tumor or immune cross-reactivity between malignant and normal tissues. These conditions are rare in children, but when the clinical presentation of patients with a tumor is unusual, these syndromes should be emphasized. Extrarenal tumors with renin-secretion are rare in children. They may be related to paraneoplastic syndromes. We report a 22-month-old infant with hepatoblastoma presented with severe hypertension and related neurologic symptoms due to high plasma renin activity. To the best of our knowledge, this is the second report of renin producing hepatoblastoma in the literature. However, due to lack of laboratory facilities such as immunohistochemical study or polyclonal antibody for human renin activity, we could not prove the secretion of renin just by tumor tissue cells, but this potentiality is very likely. Other intensive investigations did not show any other origin for rennin secretion or hypertension in this patient.
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© 2013, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.