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Thomas Shpitzer, MD; Moshe Chaimoff, MD; Rivka Gal, MD; Yoram Stern, MD; Raphael Feinmesser, MD; Karl Segal, MD

Arch Otolaryngol Head Neck Surg. 1996;122(8):865-868.

Abstract
Objective
To evaluate the relationship between tumor angiogenesis and the subsequent development of cervical node metastases in patients with stage 1 carcinoma of the oral tongue.

Methods
The study group consisted of 25 patients with T1 carcinoma with no evidence of neck disease at presentation. Paraffin blocks from 10 patients, in whom neck node metastases were found shortly after surgery, were stained for factor VIII and compared with those from 10 randomly chosen patients in whom no evidence of recurrent disease was observed during prolonged follow-up. Microvessels were counted in each group.

Results
The microvessel counts correlated with metastatic disease. The mean±SD count was 103.41±40.72 per x250 field in the patients with positive lymph node metastases and 50.03±13.74 per x250 field in those with no lymph node metastases during follow-up (P.05).

Conclusions
The number of microvessels per x250 field in the area of most intensive neovascularization in early oral tongue carcinoma may be an independent predictor of nodal metastases. Assessment of tumor angiogenesis may therefore prove valuable in selecting patients with early oral tongue carcinoma for aggressive therapy.

Arch Otolaryngol Head Neck Surg. 1996;122:865-868

Author Affiliations
From the Laboratory of Head and Neck Tumors, Felsenstein Medical Research Institute affiliated with the Departments of Otolaryngology and Head and Neck Surgery, Beilinson Medical Center, Petah Tiqva, Israel, and Sackler Faculty of Medicine, Tel Aviv (Israel) University (Drs Shpitzer, Chaimoff, Stern, Feinmesser, and Segal), and the Institute of Pathology, Hasharon Hospital, Golda Medical Center, Petah Tiqva (Dr Gal).

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