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Increased angiogenesis in cutaneous T-cell lymphomas
Grzegorz Mazur1, Zdzisław Woźniak, Tomasz Wróbel
1Department of Haematology, Blood Neoplasms and Bone Marrow Transplantation, Wroclaw, Poland. grzegmaz@hemat.am.wroc.pl
Pathology Oncology Research : POR
|March 19, 2004
Summary
Primary cutaneous T-cell lymphomas (CTCL) show significantly higher microvessel density (MVD) compared to normal skin. This suggests angiogenesis plays a role in CTCL growth, potentially opening avenues for new therapies.
Area of Science:
- Dermatology
- Oncology
- Pathology
Background:
- Primary cutaneous T-cell lymphomas (CTCL) are skin-homing T-cell neoplasms.
- CTCL shares similarities with indolent B-cell lymphomas.
- Angiogenesis is increasingly recognized in lymphoproliferative disorders.
Purpose of the Study:
- To evaluate microvessel density (MVD) as a measure of tumor angiogenesis in CTCL.
- To assess CD34 expression in skin samples from CTCL patients.
- To compare MVD between CTCL and healthy skin controls.
Main Methods:
- Histopathological analysis of formaldehyde-fixed, paraffin-embedded skin tumor biopsies from 25 CTCL patients and 8 controls.
- Staining with hematoxylin and eosin.
- Immunohistochemical staining for CD34 to quantify microvessel density.
Main Results:
- Mean MVD was significantly higher in CTCL patients (134 dots/mm²) compared to healthy controls (106 dots/mm²).
- The difference in MVD between CTCL and controls was statistically significant (p=0.0388).
- Increased microvessel formation was observed in primary CTCL skin samples.
Conclusions:
- Primary cutaneous T-cell lymphomas exhibit increased microvessel density compared to normal skin.
- Angiogenesis appears to play a role in the growth and development of CTCL.
- These findings suggest that angiogenesis inhibitors could be a potential therapeutic strategy for CTCL.