The Compendium of Caraka 2.5.8_3

2.5.8_3

snigdhāni gurūṇyutsedhavanti &ślakṣṇasthirapītaparyantāni śuklaraktāvabhāsāni śuklaromarājīsantānāni &bahubahalaśuklapicchilasrāvīṇi bahukledakaṇḍūkrimīṇi saktagatisamutthānabhedīni parimaṇḍalāni maṇḍalakuṣṭhāni vidyāt;

One should recognise as maṇḍalakuṣṭha those that are unctuous, heavy, elevated, with smooth, firm, yellowish borders, having a white-red appearance, crossed by rows of white hair, discharging abundant, thick, white, slimy fluid, having much moisture, itching, and organisms, slow in progress, onset, and ulceration, and circular in shape.