Thyroglossal fistula develops due to:: (A) Developmental anomaly, (B) Injury, (C) Incomplete removal of thyroglossal cyst, (D) Inflammatory disorder
Answer is C. Ans. (c) Incomplete removal of thyroglossal cystRef: Bailey and Love 26th edition, Page 701Thyroglossal fistula:* Presents as midline discharging sinus.* It is never Congenital - Always acquired.* Caused by Infection, Inadequate removal or TG cyst or Inappropriate I and D by mistake.* Complete excision of tract with Central part of hyoid bone is the TOC (Sistrunk Operation)