Differential diagnosis of palpable masses of ultrasound

Differential diagnosis of palpable masses

	Diagnosis	Sonographic signs
	Less common
	Breast tumor	Nonhomogeneous, hypoechoic
	Suppurative thyroiditis	Nonhomogeneous, hypoechoic/echogenic
	Salivary gland swelling	Usually hypoechoic, elliptical foci
	Metastases	Round lesions of varying echogenicity, depending on the primary tumor and stage
	Nodular varix	Compressible, anechoic nodule, shows blood flow by CDS
	Rare
	Neck cyst	Anechoic mass
	Malignant lymphoma , lymphogranulomatous Hodgkin disease	Enlarged lymph nodes, sandwich sign
	Lipoma, fibroma	Round or elliptical, well-circumscribed mass; fibroma is hypoechoic, lipoma is echogenic

Conditions that cannot be diagnosed with ultrasound
Less common: Infections (erysipelas, infectious mononucleosis, tonsillitis), systemic diseases (lymphatic leukemia)
Rare: Infections (lymphangitis, vaccination reaction, otitis media, Plaut–Vincent tonsillitis, pseudocroup, pediatric diseases, ulcerative stomatitis, actinomycosis, venereal diseases, tropical diseases), systemic diseases (Waldenström macroglobulinemia, Pancoast tumor,lymphangioma, malignant reticulosis)

Ultrasound Tags: different