True about cold abscess: (A) Sign of acute inflammation present, (B) Non - dependent incision is used, (C) Suturing of wound is not done, (D) Drain is placed
Answer is B. Cold abscess :

No signs acute inflammation.
Tuberculous bacteria.
Nondependent incision is used.
Wound is sutured.
Drain is not placed (otherwise sinus will form which is difficult to treat).