Tumor lymphangiogenesis in head and neck squamous cell carcinoma : A morphometric study with clinical correlations
β Scribed by Alessandro Franchi; Oreste Gallo; Daniela Massi; Gianna Baroni; Marco Santucci
- Publisher
- John Wiley and Sons
- Year
- 2004
- Tongue
- English
- Weight
- 159 KB
- Volume
- 101
- Category
- Article
- ISSN
- 0008-543X
No coin nor oath required. For personal study only.
β¦ Synopsis
Abstract
BACKGROUND
Tumor metastasis to regional lymph nodes via the lymphatic system represents the first step of dissemination in head and neck squamous cell carcinoma (HNSCC) and serves as a major prognostic indicator for disease progression and as a guide for therapeutic strategies. In the current study, the authors investigated whether tumor lymphangiogenesis may be related to the risk of lymph node metastasis and to clinical outcome in patients with HNSCC.
METHODS
Immunostaining for the lymphatic marker D2β40 was used, and lymphangiogenesis was quantified within the tumor and in the peritumoral area in 52 HNSCC specimens using computerβassisted morphometric analysis.
RESULTS
Lymphatic vessels were found to be significantly more numerous and larger in the peritumoral area compared with within the tumor, and the number and relative area of intratumoral and peritumoral lymphatics was significantly higher in HNSCC cases with lymph node metastasis. Multivariate analysis demonstrated that high peritumoral lymphangiogenesis (above the median value) was associated with an increased risk of developing lymph node metastasis. No correlation was found between tumor lymphangiogenesis and the diseaseβfree or overall survival in the current series.
CONCLUSIONS
The results indicate that peritumoral lymphangiogenesis may be an indicator of the risk of lymph node metastasis in patients with HNSCC. Cancer 2004. Β© 2004 American Cancer Society.
π SIMILAR VOLUMES
## Abstract ## BACKGROUND. Lymphatic vessel density (LVD) and microvessel density (MVD) are important parameters for assessing the malignant potential of tumors and patient survival. In this report, the authors defined LVD as the density of D2β40βpositive lymphatic vessels and MVD as the density o
## Background: A critical factor for successful organ preservation treatment in head and neck cancer may be selecting tumors that respond to chemotherapy and radiation. previous results in patients indicated that tumors that overexpressed p53 were more sensitive to chemotherapy than those that did
## Abstract ## Background Extracapsular nodal spread is a major prognostic indicator in head and neck cancer. Nitric oxide (NO), primarily produced by the enzyme inducible NO synthase (iNOS), has a large number of actions in cancer biology, but no studies have investigated its possible role in ext
## Abstract ## Background. Hypoxia and tumor cell proliferation are important factors determining the treatment response of squamous cell carcinomas of the head and neck. Successful approaches have been developed to counteract these resistance mechanisms although usually at the cost of increased s
## Abstract ## Background Despite improvements in locoregional treatment of stages III/IV squamous cell carcinoma of the head and neck (HNSCC), local and distant failure rates remain high. An effective adjuvant therapy is required for these patients. Among novel approaches is radioimmunotherapy, i