necrotic tumor

necrotic tumor

Oncology A tumor with one or more areas of necrosis, often related to tumor growth beyond the reach of the tumor's vascular supply. See Metastasis.
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2-4] Larval debridement therapy (LDT) has also been used since 1990 in the United States (US), Israel, United Kingdom (UK), Germany, Sweden, Switzerland, Ukraine, and Thailand for venous stasis ulcers, temporal mastoiditis, Fournier gangrene, necrotic tumor masses, and other soft tissue injuries.
15 Intraperitoneal abscess should be distinguished with pancreatic pseudocyst, congenital mesenteric cyst and necrotic tumor.
a, Interface between viable and necrotic tumor is sharp.
Macroscopic cysts, when present, contain a turbid fluid and represent liquefied necrotic tumor tissue, quite in contrast to the well-delineated retention cysts in diffuse astrocytomas WHO grade II (5,7,8).
Normal tumor cells and apoptotic and necrotic tumor cells in the tumor microenvironment are considered to be the major source of tumor-related cfDNA in blood of cancer patients [5, 69].
After that a cystoscopic examination was proposed to him (Figure 5), showing a necrotic tumor of the anterior wall of the neobladder, without infiltration of the opening of ureters.
The (pseudo) cystic stromal degeneration exhibited similar content to the two cases of the cystic variant described above, containing homogeneous brightly eosinophilic material, some erythrocytes and no necrotic tumor cells.
Histology of clinically uniform-appearing lesions may show various patterns, including pigmented keratinous microcysts, one dot of pigment in a central necrotic tumor nest, pigment in melanophages but not in tumor, or pigment within a tumor and melanophages.
The advantage of PET lies in its ability to differentiate active tumor from a nonviable necrotic tumor mass, malignant from benign tissue, and recurrent tumor from scar tissue.
Necrotic tumor versus brain abscess: Importance of amino acids detected at 1HMR spestroscopy.