How doctors diagnosed cervical erosion

Doctors are based cervical erosion extent and depth of erosion size for the type diagnosis.
In accordance with the erosion depth extent divided into three types: simple erosion, particle erosion type, papillary type erosion.
Erosion is more simple in the early inflammation, erosion surface flat; particle erosion-erosion is simple rugged further development of a granular surface erosion, known as particle-erosion; mastoid-particle erosion of erosion is not timely treatment, surface grievances the particles more obvious that papillary, called papillae of erosion.
The diagnosis of cervical erosion standards should also said the size and depth of erosion. For example: Diagnosis of severe erosion, mastoid type.