text: <unk>  may be helpful in the diagnosis of salivary gland tumors. Findings on<unk>  suggestive of salivary gland tumors typically includes hypoechoic mass with lobulated distinct border with or without posterior acoustic enhancement.<unk>  is also useful in guiding biopsy including FNAC and core biopsies.
option_0: Salivary gland tumor ultrasound
option_1: Salivary gland tumor fine-needle aspiration biopsy 
option_2: Salivary gland tumor MRI
option_3: Salivary gland tumor CT
option_4: Thyroid adenoma ultrasound
option_5: Papillary thyroid cancer biopsy
option_6: Thyroid nodule CT
option_7: Follicular thyroid cancer physical examination