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01.12.2014 | Case report | Ausgabe 1/2014 Open Access

Journal of Medical Case Reports 1/2014

Multiple metastases of soft tissue visualized by technetium-99m-methylene diphosphonate scintigraphy: a case report

Zeitschrift:
Journal of Medical Case Reports > Ausgabe 1/2014
Autoren:
Mauro Liberatore, Valentina Megna, Gregorio Patrizi, Domenico Giannotti, Camilla Proietti Semproni, Stefania Rebonato, Flavio Barchetti, Pietro Gallo, Giandomenico Miscusi
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1752-1947-8-459) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interests.

Authors’ contributions

All authors contributed equally. ML, VM, GP, DG and CPS drafted the manuscript. SR, FB, and PG provided critical revision and review of the literature. GM provided important critical revision. All authors read and approved the final manuscript.

Abstract

Introduction

Lungs and liver are the most common sites of colorectal cancer metastases after regional lymph nodes, but metastases to unusual sites are reported. Heterotopic bone formation in soft tissues from colorectal cancer is a rare metastatic occurrence.

Case presentation

We present the case of a 29-year-old Caucasian man affected by colon adenocarcinoma with multiple soft tissue metastases visualized by magnetic resonance imaging, computed tomography scan and scintigraphic bone scan. We suppose that these findings can be due to the fact that the tracer is concentrated in the ossification nidus of soft metastases.

Conclusions

Our experience suggests that, in the presence of colon adenocarcinoma, a bone scan could be a sensible tool to highlight bone lesions or heterotopic bone nidus in soft tissues and that any subcutaneous lesion should be resected to avoid underestimating a potential malignancy.

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Zusatzmaterial
Authors’ original file for figure 1
13256_2014_3145_MOESM1_ESM.tif
Authors’ original file for figure 2
13256_2014_3145_MOESM2_ESM.tif
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