Final answer:
The most definitive technique for cervical dysplasia/neoplasia evaluation is a Pap smear, where cervical cells are examined by a cytotechnologist for abnormalities like koilocytes, followed by a biopsy if needed.
Step-by-step explanation:
The most appropriate and definitive technique for histologic evaluation of cervical dysplasia/neoplasia is through the use of a Pap smear followed by a biopsy if abnormal cells are detected. During a Pap smear, cells are scraped off the cervix and sent to a laboratory where a cytotechnologist stains and examines them for changes indicative of cervical cancer, such as the presence of koilocytes (cells showing signs of HPV infection characterized by enlarged, darkly staining nuclei and a clear perinuclear halo).
If the Pap smear reveals potential cancerous or pre-cancerous cells, the next step is usually a biopsy to confirm the findings. Additionally, medical imaging such as a CT scan or MRI might be performed to gather more information on the extent of any identified abnormalities or cancer. Therefore, the Pap smear test is a crucial initial screening tool in the diagnosis and management of cervical cancer.