Ultrasound Pictures “Salivary Gland Swelling”

Classification:
x Parotitis:
– Acute bacterial, viral, or allergic
– Chronic in systemic diseases, radiation-induced

x Tumor:
– Benign: e.g., adenoma, cystadenolymphoma
– Malignant: e.g., acinar cell tumor, mucoepidermoid tumor, carcinoma, malignant
lymphoma, metastases (locoregional bronchial carcinoma, melanoma)
x Duct stone
x Trauma
x Cysts

Clinical manifestations: swelling, fever, hematologic changes. Signs suspicious for
a malignant tumor are rapid growth, pain, facial nerve paralysis, cervical lymph node metastases, firm infiltration, skin ulceration, and very limited mobility.
Diagnosis:
x History
x Palpation: consistency, mobility
x Sonography, FNAB
Ultrasound Pictures of Salivary Gland Swelling findings:
x Anechoic: cyst
x Echogenic: duct stone
x Elliptical foci, usually hypoechoic:
– Malignant: ill-defined, infiltrating margins; lesions are often multiple
– Benign: well-defined margins
Accuracy of “Ultrasou nd Pictures”diagnosis: The sonographic signs are easily recognized, but an accurate benign–malignant differentiation requires histologic examination. Thus, any salivary gland swelling that is not definitely referable to a known viral infection should be investigated by FNAB, and the aspirate should be sent for both cytologic and histologic evaluation.

Ultrasound Tags: Ultrasound Pictures