Basal cell carcinoma with perineural invasion: reexcision perineural invasion?
The high percentage of PI occurring in reexcision specimens vs. primary excisions may indicate that many of the reported cases of basal cell carcinomas with PI are actually examples of RPI.
LCM is a valuable tool to obtain good quality DNA and RNA for molecular tests in cytological material from thyroid FNA, and can be a useful option in the management of patients with an FN/SFN FNA diagnosis.