The butterfly-shaped thyroid gland is located at the base of your neck. An enlarging thyroid gland is a goitre. A clear lump or swelling at the base of your neck may be a sign and might feel unpleasant or tender but are mostly painless. 1. Clinical features : Other than a swelling at the base … Continue reading Goitre – Clinical features | Aetiology-Causes| Types | Investigations | Treatment