Whole-body MR Imaging in Detecting Phosphaturic Mesenchymal Tumor (PMT) in Tumor-induced Hypophosphatemic Osteomalacia

Katsuyuki NAKANISHI; Mio SAKAI; Hisashi TANAKA; Hideki TSUBOI; Jun HASHIMOTO; Nobuyuki HASHIMOTO; Noriyuki TOMIYAMA

doi:10.2463/mrms.2011-0006

This article has now been updated. Please use the final version.

Whole-body MR Imaging in Detecting Phosphaturic Mesenchymal Tumor (PMT) in Tumor-induced Hypophosphatemic Osteomalacia

Katsuyuki NAKANISHI, Mio SAKAI, Hisashi TANAKA, Hideki TSUBOI, Jun HASHIMOTO, Nobuyuki HASHIMOTO, Noriyuki TOMIYAMA

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Keywords: phosphaturic mesenchymal tumor, tumor-induced osteomalacia, whole-body MRI

JOURNAL FREE ACCESS Advance online publication

Article ID: 2011-0006

DOI https://doi.org/10.2463/mrms.2011-0006

The final version of this article is now available: Vol. 12 (2013), No. 1

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Abstract

We present 2 cases of tumor-induced osteomalacia (TIO). Both patients had histories of long-term bone and muscle pain. Laboratory data revealed hypophosphatemia. Whole-body magnetic resonance (MR) imaging (WB-MRI) clearly depicted a small subcutaneous mass in the left thigh of the first patient and a right acetabular mass in the second patient. These lesions were pathologically proven to be hemangiopericytoma-phosphaturic mesenchymal tumors (PMT).

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