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13 April 2024: Articles

Successful Superficial Blood Sampling to Localize a Fibroblast Growth Factor-23-Producing Tumor

Challenging differential diagnosis, Unusual setting of medical care, Rare disease, Educational Purpose (only if useful for a systematic review or synthesis)

Junjiro Rikitake A , Kenji Ashida A* , Ayako Nagayama A , Yukihiro Inoguchi C , Nao Hasuzawa C , Masamichi Koganemaru B , Tetsuya Hamada B , Kanoko Moritaka B , Mutsuyuki Demiya B , Tomoki Sako B , Jun Akiba B , Koji Hiraoka B , Masatoshi Nomura A

DOI: 10.12659/AJCR.943152

Am J Case Rep 2024; 25:e943152

Figure 3. Imaging examinations identifying the tumor responsible for tumor-induced osteomalacia. Radiography reveals destructive changes in the third basal phalanx of the left foot. (A) The cortical bone in the distal third of the left basal phalanx exhibited pervasive expansible alterations and partial deterioration. (B, C) The inner part is replaced by an injury that exhibits a low signal intensity similar to that of the muscle tissue on T1-weighted imaging and a heterogeneous mixed high signal on fat-suppressed T2-weighted imaging. (D) The dynamic magnetic resonance imaging subtraction technique demonstrates robust early enhancement in the marginal areas, followed by gradual enhancement of the inner area.

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American Journal of Case Reports eISSN: 1941-5923
American Journal of Case Reports eISSN: 1941-5923