tumor implant

tumor implant

Oncology A nodule of a malignant tumor that develops at a site in a body cavity at a distance from the initial site of cancer, a finding typical of ovarian CA
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There was also evidence for tumor involvement of the anterior peritoneal reflection (Figure 1a), >3 perirectal nodal metastases, and a left anterior pelvis peritoneal nodule suspicious for tumor implant. Thus, the MRI-based local-regional stage was T4N2.
described a "port-site" tumor implant in a patient with malignant ascites 2 weeks following laparoscopy.[sup][2] In another report, eight local recurrences in 1098 laparoscopic procedures for urologic malignancies were described.[sup][3] [Table 1] summarizes published reports of port-site metastases following laparoscopic surgeries.{Table 1}
In the journal Laboratory Investigation, researchers at the Kansas City Veterans Affairs Medical Center report a protective effect for aspirin (acetylsalicylic acid) against the development of breast cancer in cell cultures and in mice that received tumor implants.* The findings also suggest a role for aspirin in preventing breast cancer relapse.
Due to the limited resolution of PET, small tumor implants may not be detected despite increased FDG uptake.