PP48. PROGNOSTIC SIGNIFICANCE OF THE HPV STATUS IN EARLY STAGE CERVICAL CARCINOMA
K. KUBELKA-SABIT, I. Prodanova, G. Yashar, G. Zografski, N. Basheska Department of Histopathology and Clinical Cytology, Institute of Radiotherapy and Oncology, Clinical Center, Skopje, Macedonia e-mail: catkubelka@yahoo.co.uk
*Corresponding Author:
page: 69

Abstract

Aims: In order to evaluate their prognostic significance, the parameters of the human papilloma virus (HPV) status were correlated to the lympho-nodal and tumor status, maximal diameter, minimal thickness of uninvolved stroma, histologic type, grade of differentiation, lympho-vascular space invasion, degree of lymphocytic inflammatory stromal reaction at the invasion front, age and the disease-free survival (DFS) of the patients with early stage invasive cervical carcinomas. Material and methods: 77 cases of cervical carcinomas, limited to the uterus, surgically treated and postoperatively irradiated, were selected for this retrospective study. HPV DNA status (presence and HPV type, type of hybridization signal and number of positive cells per sample) was evaluated using sensitive in situ hybridization detection kit with catalyzed signal amplification with biotinylated probes for types 6/11, 16/18 and 31/33 or 31/33/51. Results: The presence of HPV DNA was detected in 45 (58.4%) cases. Thirty-two (71.1%) showed positivity for HPV type 16/18, 8 (17.8%) for 31/33, whereas multiple infection was detected in (8.9%) 4 cases. Dot hybridization signal was found in 31 (68.9%), diffuse in 2 (4.4%) and mixed in 12 (26.7%) cases. More than five positive nuclei per sample were found in 37 (82.2%) of the cases. Only the presence of HPV was associated with absence of regional lymph node involvement, presence of moderate/abundant lymphocytic infiltration and longer 5 and 10-year DFS. Conclusions: According to our results, more extensive studies are needed to assess the real prognostic influence of the other parameters of HPV status in early stage cervical carcinomas.




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