Related Experiment Videos
Angiogenesis correlates with metastasis in melanoma
L T Neitzel1, C D Neitzel, K L Magee
1Department of Surgery, Southern Illinois University, School of Medicine, Springfield 62794-9638, USA.
Annals of Surgical Oncology
|February 25, 1999
Summary
Increased microvessel density in primary melanomas indicates a higher likelihood of metastasis. This finding suggests angiogenesis plays a key role in melanoma spread.
Area of Science:
- Oncology
- Dermatology
- Pathology
Background:
- Angiogenesis is linked to melanoma progression.
- The specific role of angiogenesis in melanoma metastasis remains unclear.
Purpose of the Study:
- To investigate the correlation between angiogenesis and the presence of melanoma metastases.
- To determine if microvessel density in primary tumors predicts metastatic potential.
Main Methods:
- Compared microvessel counts in primary melanomas of patients with and without metastases.
- Matched patient groups for key clinical and histological factors.
- Quantified microvessels using factor VIII antibody staining.
Main Results:
- Metastatic melanomas showed significantly higher microvessel counts than non-metastatic ones (51.63 vs. 24.86, P < .0001).
- A threshold of >= 37 microvessels per field was highly sensitive (1.00) and specific (0.92) for detecting metastases.
- Patients with distant metastases had higher counts than those with lymph node metastases.
Conclusions:
- Increased microvessel density in primary melanomas correlates with the presence of metastases.
- These findings suggest angiogenesis is a significant factor in melanoma metastasis.