Detection of human papillomaviruses from histologically normal lymph nodes of Japanese cervical cancer patients by nested polymerase chain-reaction assay.
To determine the prognostic significance of human papilloma virus (HPV) DNA in histologically normal lymph nodes, we developed a nested polymerase chain-reaction (PCR) method on HPV16,18 and 33 DNAs for formalin-fixed, paraffin-embedded tissues. We investigated 370 histologically normal lymph nodes from 15 patients treated for stage-IB/IIB (FIGO) invasive cervical cancer. HPV16 DNA was detected in 7 (47%) and HPV18 DNA in 3 (20%) of the cervical cancers. Examination of histologically normal lymph nodes from these 10 patients by nested PCR revealed HPV DNA in 5 (50%) of them; in all cases HPV type in lymph nodes and tumor was the same. Two of these 5 patients had a recurrence (pelvic cavity or lung) and died of cancer, although all 5 had had pelvic radiotherapy after radical hysterectomy and lymphadenectomy. These findings indicate that nested PCR is useful for evaluating early lymph-node involvement retrospectively in HPV-positive cases.
Nawa
A
A
Department of Obstetrics and Gynecology, Nagoya University School of Medicine, Japan.
Nishiyama
Y
Y
Kikkawa
F
F
Kawai
M
M
Mano
H
H
Goto
S
S
Suganuma
N
N
Tomoda
Y
Y
Nakashima
N
N
D000328:Adult; D000368:Aged; D001483:Base Sequence; D004279:DNA, Viral / Q000235:genetics; D005260:Female; D005557:Formaldehyde; D006801:Humans; D008198:Lymph Nodes / Q000166:cytology / Q000382:microbiology*; D008875:Middle Aged; D008969:Molecular Sequence Data; D027383:Papillomaviridae / Q000235:genetics*; D016612:Paraffin Embedding; D016133:Polymerase Chain Reaction / Q000379:methods*; D011379:Prognosis; D012189:Retrospective Studies; D012680:Sensitivity and Specificity; D014412:Tumor Virus Infections / Q000235:genetics / Q000382:microbiology; D002583:Uterine Cervical Neoplasms / Q000382:microbiology*
D004279:DNA, Viral; D005557:Formaldehyde