La linite plastique rectale primitive: une tumeur exceptionnelle

Mouaqit, Ouadii; Mohsine, Raouf; Chenna,; Ktaibi, R.; Sergi, B.; Boubouh, A.; Malki, O. El; Ifrine, L.; Belkouchi, A.

doi:10.1007/s12558-009-0051-y

J Afr Cancer

2009

DOI: 10.1007/s12558-009-0051-y

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La linite plastique rectale primitive: une tumeur exceptionnelle

Ouadii Mouaqit¹,

Raouf Mohsine²,

Chenna Chenna³

et al.

Abstract: La linite rectale primitive est une tumeur rare mais extrêmement agressive, diagnostiquée le plus souvent à un stade tardif, ce qui rend le pronostic très péjoratif. Nous rapportons le cas d'un jeune patient de 31 ans traité par radiochimiothérapie pour une linite rectale primitive. Mots clés Jeune · Rectum · LiniteAbstract The primary linitis rectal is a rare tumor and extremely aggressive, generally diagnosed at a late stage, which makes the forecast very pejorative. We report the case of a young patient of … Show more

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2024

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Secondary rectal linitis plastica caused by prostatic adenocarcinoma - magnetic resonance imaging findings and dissemination pathways: A case report

Labra,

Schiappacasse,

Cocio

et al. 2024

World J Radiol

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BACKGROUND Secondary rectal linitis plastica (RLP) from prostatic adenocarcinoma is a rare and poorly understood form of metastatic spread, characterized by a desmoplastic response and concentric rectal wall infiltration with mucosal preservation. This complicates endoscopic diagnosis and can mimic gastrointestinal malignancies. This case series underscores the critical role of magnetic resonance imaging (MRI) in identifying the distinct imaging features of RLP and highlights the importance of considering this condition in the differential diagnosis of patients with a history of prostate cancer. CASE SUMMARY Three patients with secondary RLP due to prostatic adenocarcinoma presented with varied clinical features. The first patient, a 76-year-old man with advanced prostate cancer, had rectal pain and incontinence. MRI showed diffuse prostatic invasion and significant rectal wall thickening with a characteristic "target sign" pattern. The second, a 57-year-old asymptomatic man with elevated prostate-specific antigen levels and a history of prostate cancer exhibited rectoprostatic angle involvement and rectal wall thickening on MRI, with positron emission tomography/computed tomography PSMA confirming the prostatic origin of the metastatic spread. The third patient, an 80-year-old post-radical prostatectomy, presented with refractory constipation. MRI revealed a neoplastic mass infiltrating the rectal wall. In all cases, MRI consistently showed stratified thickening, concentric signal changes, restricted diffusion, and contrast enhancement, which were essential for diagnosing secondary RLP. Biopsies confirmed the prostatic origin of the neoplastic involvement in the rectum. CONCLUSION Recognizing MRI findings of secondary RLP is essential for accurate diagnosis and management in prostate cancer patients.

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Secondary rectal linitis plastica caused by prostatic adenocarcinoma - magnetic resonance imaging findings and dissemination pathways: A case report

Labra,

Schiappacasse,

Cocio

et al. 2024

World J Radiol

View full text Add to dashboard Cite

show abstract

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La linite plastique rectale primitive: une tumeur exceptionnelle

Cited by 1 publication

References 9 publications

Secondary rectal linitis plastica caused by prostatic adenocarcinoma - magnetic resonance imaging findings and dissemination pathways: A case report

Secondary rectal linitis plastica caused by prostatic adenocarcinoma - magnetic resonance imaging findings and dissemination pathways: A case report

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