vascular invasion
vascular/lymphatic invasion
Oncology The penetration of vascular or other transport conduit by a malignancy. See Metastasis.McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.
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As shown in Table 1, elevated preoperative serum CA19-9 level did not correlate with patient age, sex, viral status, [alpha]-fetoprotein level, tumor size, tumor grade, tumor stage, multiplicity, and vascular invasion. However, patients with elevated preoperative CA199 levels had a lower 10-year survival rate than those without CA19-9 elevation (P = 0.0020) (Figure 2(a)).
Pathologic examination of nodules with the halo sign showed that the halo around a central fungal lesion corresponded to a nodule surrounded by a rim of coagulation necrosis due to the vascular invasion that causes thrombotic occlusion and ischemic necrosis (9).
They are usually solitary and large with malignant characteristics like necrosis, vascular invasion, and aggressive incursion into surrounding tissues.
Microscopic examination of these nodules showed a background of inflammation, necrosis, and fungal hyphae that was morphologically identical to her knee biopsy, with vascular invasion and thrombosis.
PARIS -- Vascular invasion is highly predictive of long-term survival in thyroid cancer, and its presence or absence should be considered when determining a patient's postsurgical follow-up plan, an investigator concluded from long-term follow-up of 725 patients.
Their new study has taken the first step toward doing that by identifying five risk factors for late-stage head and neck cancer - two genes, tumor grade, and vascular invasion and location of the tumor.
Histopathology was performed to classify the neoplasms, as well as to determine histological malignancy grade and to evaluate other parameters such as presence of necrosis, vascular invasion, and lymphoplasmacytic infiltration.
The invasive manifestation occurs in immunodepressed individuals with tissue and vascular invasion (4).
There was no vascular invasion. The estrogen receptor (ER) quick score was 7/8.
When histopathological features of tumors in patients with PTMC and PTC were compared (Table 2), we observed that there was a marked difference in terms of capsular and vascular invasion, multifocality, lymph node involvement and extrathyroidal extension between the two groups.
Prognostic indicators have conceptually been the way of selecting women for adjuvant therapy but current predictive factors remain confined to standard tumour pathology, including tumour size, grade, node status and vascular invasion, with limited biomarker usage in the form of oestrogen receptor, progesterone receptor and human epidermal growth factor receptor 2 (HER2).
The biological factor that appeared to be of most relevance to local recurrence was extramural vascular invasion. The study found that when patients had extramural vascular invasion, they were four times as likely to have a local recurrence.
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