Hi,Thanks for the query to HCM.
-I studied your query in depth and understood your concerns.
-Cause and Treatment-of the itchy lump inside the anus-
-In your case the cause mostly is -due to Sentinel piles with
fissure in ano mostly-as its itchy also.
@Treatment would be according to the cause-
a-Tb NSAID
b-Surgeons consulation
c-Fissurectomy with anal dialatation -with Excision of the Sentinel piles is curative
Hope this would resolve this tricky problem.
This would help you to plan treatment with your doctor.
Don't worry and things will settle
Hope this would resolve your query.
Welcome further for any query in this regard.
Wishing you a fast recovery.
Don't forget to Write a good and strong review ASAP for the benefit of other patients.
Have a Good Day.