Perineural invasion is when Tumor’s cells decide that the bloodstream and lymphatics are just too mainstream - so they take the scenic nerve route instead! 🤕 They wrap around or slip between nerve fibres like uninvited guests at a neural party, spreading stealthily and often bringing pain or tingling as souvenirs. For the pathologists, spotting it under the microscope is both exciting and ominous - because once cancer starts “ NERVE-SURFING”, it usually means a more aggressive behaviour. In short, “Why crawl when you can nerve-igate your way through?”đź§

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