Charak Samhita
रक्तं वातकफाद्दुष्टं बस्तिद्वारे सुदारुणम्। ग्रन्थिं कुर्यात् स कृच्छ्रेण सृजेन्मूत्रं तदावृतम्॥४१॥
॥ Raktagranthi (nodular swelling in bladder)॥ Rakta getting vitiated by vata and kapha, produces a grievous nodular swelling (granthi) which obstructs the mutra and as a result the mutra is eliminated with difficulty and pain similar to urinary calculus.
english translation
raktaM vAtakaphAdduSTaM bastidvAre sudAruNam। granthiM kuryAt sa kRcchreNa sRjenmUtraM tadAvRtam॥41॥
hk transliteration by Sanscript