Early and Post-Treatment Imaging Findings in Perineural Spread: A Pathway to Diffuse Muscle Metastasis in Recurrent Bladder Carcinoma

Perineural spread (PNS) from pelvic carcinoma has been regarded as a pathway to muscle and bone metastasis. However, few cases have been reported, especially in patients with bladder carcinoma. In the present report, we discuss a case of diffuse cancer involvement in the muscle 5 years after radical...

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Published inJournal of Nippon Medical School Vol. 91; no. 3; pp. 333 - 338
Main Authors Honda, Yoshimitsu, Sekine, Tetsuro, Kimata, Ryoji, Motoda, Norio, Takahashi, Keigo, Yamane, Aya, Yasui, Daisuke, Kodani, Eigo, Ichikawa, Taro, Kumita, Shinichiro
Format Journal Article
LanguageEnglish
Published Japan The Medical Association of Nippon Medical School 25.06.2024
Subjects
bladder carcinoma
MRI
muscle metastasis
perineural spread
PET/CT
bladder carcinoma
perineural spread
MRI
PET/CT
muscle metastasis
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Summary:Perineural spread (PNS) from pelvic carcinoma has been regarded as a pathway to muscle and bone metastasis. However, few cases have been reported, especially in patients with bladder carcinoma. In the present report, we discuss a case of diffuse cancer involvement in the muscle 5 years after radical cystectomy for advanced bladder carcinoma. Careful observation of temporal changes on medical images confirmed PNS as the pathway to muscle metastasis (i.e., primary PNS). Our report presents early and post-treatment CT, MRI and FDG-PET/CT findings of PNS from the bladder carcinoma.
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ISSN:1345-4676
1347-3409
1347-3409
DOI:10.1272/jnms.JNMS.2024_91-301