Mucin containing tumor

IMAGING• CT: Low-attenuation masses (usually < 20 HU) scattered throughout peritoneum – Frequently associated with loculated ascites of similar attenuation to individual implants – Implants cause mass effect on liver and spleen, producing characteristic “scalloped” appearance – Implants may demonstrate curvilinear calcification – Dominant cystic or solid mass often present in right lower quadrant (in … Read more

Diagnosis of mucinous carcinoma at initial biopsy is prone to sampling error, with mis-classification in approximately 25% of cases. However, this tumor subtype has a classic appearance at MRI, allowing the radiologist to diagnose it confidently and accurately in almost all cases. Extracellular mucin is T2 hyperintense; thus, mucinous carcinomas have significantly higher T2-weighted signal … Read more