Nasal fossa phosphaturic mesenchymal tumor with intracraneal compromise, case report and review of the literature

Main Article Content

Tomás Andrade D.
Fernando Slater R.
Claudia González G.
Rodrigo Cabezón A.

Keywords

Phosphaturic mesenchymal tumor, oncogenic osteomalacia, fibroblast growth factor 23, tumor-induced osteomalacia, hypophosphatemia

Abstract

The phosphaturic mesenchymal tumor (PMT) is an extremely rare disease. According to recent evidence is caused by overexpression of fibroblast growth factor 23 (FGF23) which generates hypophosphatemia and osteomalacia. We report the case of a 42 year old patient with a left nasal fossa phosphaturic mesenchymal tumor with intracranial involvement. Should be noted that to date there are 142 reported cases of PMT in the literature of which only 11 are located in nasal fossa and sinus cavities, two of them located in nasal fossa1. The patient had a successful surgical resolution with consequent normalization of analytical parameters (including FGF23), absence of symptoms and no recurrence to date.

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