SLM NO : 9107 REG NO : 1464 LINGUAL THYROID IN FACIAL SKELETON HICKMAN IN 1869 β Itβs a rare developmental anomaly originating from aberrant embryogenesis during the passage of thyroid gland through the neck β INCIDENCE: 1 in 100,000β300,000 people 70 to 90% of the people lacking the primary thyroid in the anatomical position. Presented by: RG NO :