FDG-PET-Positive Foreign-Body Granuloma Mimicking Residual Germinal Tumor Infiltration

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Authors

ŘEHÁK Zdeněk SZTURZ Petr KREJČÍ Eva KOCÁKOVÁ Ilona

Year of publication 2012
Type Article in Periodical
Magazine / Source Clinical Nuclear Medicine
MU Faculty or unit

Faculty of Medicine

Citation
Doi http://dx.doi.org/10.1097/RLU.0b013e3182485291
Field Oncology and hematology
Keywords foreign-body granuloma; PET; germ cell tumor
Attached files
Description In some patients, granulomatous reactions around foreign-bodies with FDG-PET positivity may be misinterpreted as malignancy.We report a case of a 31-year-old man diagnosed with testicular germinal tumor with retroperitoneal and left supraclavicular metastases. The diagnosis was based on left supraclavicular lymph node biopsy. Restaging examinations after orchiectomy and chemotherapy showed normalization of tumor markers and significant regression of the retroperitoneal infiltrate, however, with a residual FDG-PET positive lesion in the left supraclavicular fossa. The etiology behind this infiltration was revealed by a repeated histological examination, which surprisingly showed a foreign-body granuloma formation around a cotton pad left after the first surgery.
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